®
OPA703
OPA703
OPA703
OPA703
OPA703
OPA2703
OPA4703
OPA704
OPA2704
OPA4704
CMOS, Rail-to-Rail, I/O
OPERATIONAL AMPLIFIERS
FEATURES
●RAIL-TO-RAIL INPUT AND OUTPUT
●WIDE SUPPLY RANGE:
Single Supply: 4V to 12V
Dual Supplies: ±2 to ±6
●LOW QUIESCENT CURRENT: 160µA
●FULL-SCALE CMRR: 90dB
●LOW OFFSET: 160µV
●HIGH SPEED:
OPA703: 1MHz, 0.6V/µs
OPA704: 3MHz, 3V/µs
●
Micro
SIZE PACKAGES:
SOT23-5, MSOP-8, TSSOP-14
●LOW INPUT BIAS CURRENT: 1pA
APPLICATIONS
●AUTOMOTIVE APPLICATIONS:
Audio, Sensor Applications, Security Systems
●PORTABLE EQUIPMENT
●ACTIVE FILTERS
●TRANSDUCER AMPLIFIER
●TEST EQUIPMENT
●DATA ACQUISITION
DESCRIPTION
The OPA703 and OPA704 series op amps are optimized for
applications requiring rail-to-rail input and output swing.
Single, dual, and quad versions are offered in a variety of
packages. While the quiescent current is less than 200µA per
amplifier, the OPA703 still offers excellent dynamic perfor-
mance (1MHz GBW and 0.6V/µs SR) and unity-gain stabil-
ity. The OPA704 is optimized for gains of 5 or greater and
provides 3MHz GBW and 3V/µs slew rate.
The OPA703 and OPA704 series are fully specified and
guaranteed over the supply range of ±2V to ±6V. Input
swing extends 300mV beyond the rail and the output swings
to within 40mV of the rail.
The single versions (OPA703 and OPA704) are available in
the MicroSIZE SOT23-5 and in the standard SO-8 surface-
mount, as well as the DIP-8 packages. Dual versions
(OPA2703 and OPA2704) are available in the MSOP-8,
SO-8, and DIP-8 packages. The quad OPA4703 and
OPA4704 are available in the TSSOP-14 and SO-14 pack-
ages. All are specified for operation from –40°C to +85°C.
1
2
3
5
4
V+
–In
Out
V–
+In
OPA703
OPA704
SOT23-5
1
2
3
4
8
7
6
5
NC
V+
Out
NC
NC
–In
+In
V–
OPA703
OPA704
SO-8, DIP-8
1
2
3
4
8
7
6
5
V+
Out B
–In B
+In B
Out A
–In A
+In A
V–
OPA2703
OPA2704
MSOP-8, SO-8, DIP-8
A
B
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Out D
–In D
+In D
V–
+In C
–In C
Out C
Out A
–In A
+In A
V+
+In B
–In B
Out B
OPA4703
OPA4704
TSSOP-14, SO-14
AD
BC
SBOS180A – MARCH 2001
www.ti.com
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright © 2001, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
OPA703, OPA704
2SBOS180A
MINIMUM PACKAGE
RECOMMENDED DRAWING PACKAGE ORDERING TRANSPORT
PRODUCT DESCRIPTION GAIN PACKAGE NUMBER MARKING NUMBER(1) MEDIA
OPA703NA Single, GBW = 1MHz 1 SOT23-5 331 A03 OPA703NA/250 Tape and Reel
""""""OPA703NA/3K Tape and Reel
OPA703UA Single, GBW = 1MHz 1 SO-8 182 OPA703UA OPA703UA Rails
""""""OPA703UA/2K5 Tape and Reel
OPA703PA Single, GBW = 1MHz 1 DIP-8 006 OPA703PA OPA703PA Rails
OPA2703EA Dual, GBW = 1MHz 1 MSOP-8 337 B03 OPA2703EA/250 Tape and Reel
""""""OPA2703EA/2K5 Tape and Reel
OPA2703UA Dual, GBW = 1MHz 1 SO-8 182 OPA2703UA OPA2703UA Rails
""""""OPA2703UA/2K5 Tape and Reel
OPA2703PA Dual, GBW = 1MHz 1 DIP-8 006 OPA2703PA OPA2703PA Rails
OPA4703EA Quad, GBW = 1MHz 1 TSSOP-14 357 OPA4703EA OPA4703EA/250 Tape and Reel
""""""OPA4703EA/2K5 Tape and Reel
OPA4703UA Quad, GBW = 1MHz 1 SO-14 235 OPA4703UA OPA4703UA Rails
""""""OPA4703UA/2K5 Tape and Reel
OPA704NA Single, GBW = 5MHz 5 SOT23-5 331 A04 OPA704NA/250 Tape and Reel
""""""OPA704NA/3K Tape and Reel
OPA704UA Single, GBW = 5MHz 5 SO-8 182 OPA704UA OPA704UA Tape and Reel
""""""OPA704UA/2K5 Tape and Reel
OPA704PA Single, GBW = 5MHz 5 DIP-8 006 OPA704PA OPA704PA Rails
OPA2704EA Dual, GBW = 5MHz 5 MSOP-8 337 B04 OPA2703EA/250 Tape and Reel
""""""OPA2703EA/2K5 Tape and Reel
OPA2704UA Dual, GBW = 5MHz 5 SO-8 182 OPA2704UA OPA2704UA Rails
""""""OPA2704UA/2K5 Tape and Reel
OPA2704PA Dual, GBW = 5MHz 5 DIP-8 006 OPA2704PA OPA2704PA Rails
OPA4704EA Quad, GBW = 5MHz 5 TSSOP-14 357 OPA4704EA OPA4704EA/250 Tape and Reel
""""""OPA4704EA/2K5 Tape and Reel
OPA4704UA Quad, GBW = 5MHz 5 SO-14 235 OPA4704UA OPA4704UA Rails
""""""OPA4704UA/2K5 Tape and Reel
NOTE: (1) Models with a slash (/) are available only in Tape and Reel in the quantities indicated (e.g., /3K indicates 3000 devices per reel). Ordering 3000 pieces
of “OPA703NA/3K” will get a single 3000-piece Tape and Reel.
PACKAGE/ORDERING INFORMATION
Supply Voltage, V+ to V–................................................................. 13.2V
Signal Input Terminals, Voltage(2) .....................(V–) –0.3V to (V+) +0.3V
Current(2) .................................................... 10mA
Output Short-Circuit(3) .............................................................. Continuous
Operating Temperature ..................................................–55°C to +125°C
Storage Temperature .....................................................–65°C to +150°C
Junction Temperature.................................................................... +150°C
Lead Temperature (soldering, 10s)............................................... +300°C
NOTES: (1) Stresses above these ratings may cause permanent damage.
Exposure to absolute maximum conditions for extended periods may
degrade device reliability. (2) Input terminals are diode-clamped to the power
supply rails. Input signals that can swing more than 0.3V beyond the supply
rails should be current-limited to 10mA or less. (3) Short-circuit to ground,
one amplifier per package.
ABSOLUTE MAXIMUM RATINGS(1) ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas Instru-
ments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degrada-
tion to complete device failure. Precision integrated circuits
may be more susceptible to damage because very small
parametric changes could cause the device not to meet its
published specifications.
OPA703, OPA704 3
SBOS180A
OPA703NA, UA, PA
OPA2703EA, UA, PA
OPA4703EA, UA
OPA703 ELECTRICAL CHARACTERISTICS: VS = 4V to 12V
Boldface limits apply over the specified temperature range, TA = –40°C to +85°C
At TA = +25°C, RL = 20kΩ connected to VS/ 2 and VOUT = VS/ 2, unless otherwise noted.
PARAMETER CONDITION MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage VOS VS = ±5V, VCM = 0V ±160 ±750 µV
Drift dVOS /dT TA = –40°C to +85°C±4µV/°C
vs Power Supply PSRR VS = ±2V to ±6V, VCM = 0V 20 100 µV/V
Over Temperature VS = ±2V to ±6V, VCM = 0V 200 µV/V
Channel Separation, dc RL = 20kΩ1µV/V
f = 1kHz 98 dB
INPUT VOLTAGE RANGE
Common-Mode Voltage Range VCM (V–) – 0.3 (V+) + 0.3 V
Common-Mode Rejection Ratio CMRR
VS = ±5V, (V–) – 0.3V < VCM < (V+) + 0.3V
70 90 dB
over Temperature
VS =
±
5V, (V–) < VCM < (V+)
68 dB
VS = ±5V, (V–) – 0.3V < VCM < (V+) – 2V
80 96 dB
over Temperature
VS =
±
5V, (V–) < VCM < (V+) – 2V
74 dB
INPUT BIAS CURRENT
Input Bias Current IB
VS = ±5V, VCM = 0V
±1±10 pA
Input Offset Current IOS
VS = ±5V, VCM = 0V
±0.5 ±10 pA
INPUT IMPEDANCE
Differential 4 • 109 || 4 Ω || pF
Common-Mode 5 • 1012 || 4 Ω || pF
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz
VS = ±5V, VCM = 0V
6µVp-p
Input Voltage Noise Density, f = 1kHz en
VS = ±5V, VCM = 0V
45 nV/√Hz
Current Noise Density, f = 1kHz in
VS = ±5V, VCM = 0V
2.5 fA/√Hz
OPEN-LOOP GAIN
Open-Loop Voltage Gain AOL RL = 100kΩ, (V–)+0.1V < VO < (V+)–0.1V 120 dB
R
L
= 20kΩ, (V–)+0.075V < V
O
< (V+)–0.075V 100 110 dB
over Temperature
R
L
= 20k
Ω
, (V–)+0.075V < V
O
< (V+)–0.075V
96 dB
RL = 5kΩ, (V–)+0.15V < VO < (V+)–0.15V 100 110 dB
over Temperature RL = 5kΩ, (V–)+0.15V < VO < (V+)–0.15V 96 dB
OUTPUT
Voltage Output Swing from Rail RL = 100kΩ, AOL > 80dB 40 mV
RL = 20kΩ, AOL > 100dB 75 mV
over Temperature RL = 20kΩ, AOL > 96dB 75 mV
RL = 5kΩ, AOL > 100dB 150 mV
over Temperature RL = 5kΩ, AOL > 96dB 150 mV
Output Current IOUT |VS – VOUT| < 1V ±10 mA
Short-Circuit Current ISC ±40 mA
Capacitive Load Drive CLOAD See Typical Performance Curves
FREQUENCY RESPONSE CL = 100pF
Gain-Bandwidth Product GBW G = +1 1 MHz
Slew Rate SR VS = ±5V, G = +1 0.6 V/µs
Settling Time, 0.1% tSVS = ±5V, 5V Step, G = +1 15 µs
0.01% VS = ±5V, 5V Step, G = +1 20 µs
Overload Recovery Time VIN • Gain = VS3µs
Total Harmonic Distortion + Noise THD+N VS = ±5V, VO = 3Vp-p, G = +1, f = 1kHz 0.02 %
POWER SUPPLY
Specified Voltage Range, Single Supply VS412V
Specified Voltage Range, Dual Supplies VS±2±6V
Operating Voltage Range 3.6 to 12 V
Quiescent Current (per amplifier) IQIO = 0 160 200 µA
over Temperature 300 µA
TEMPERATURE RANGE
Specified Range –40 85 °C
Operating Range –55 125 °C
Storage Range –65 150 °C
Thermal Resistance
θ
JA
SOT23-5 Surface-Mount 200 °C/W
MSOP-8 Surface-Mount 150 °C/W
TSSOP-14 Surface-Mount 100 °C/W
SO-8 Surface Mount 150 °C/W
SO-14 Surface Mount 100 °C/W
DIP-8 100 °C/W
OPA703, OPA704
4SBOS180A
OPA704NA, UA, PA
OPA2704EA, UA, PA
OPA4704EA, UA
OPA704 ELECTRICAL CHARACTERISTICS: VS = 4V to 12V
Boldface limits apply over the specified temperature range, TA = –40°C to +85°C
At TA = +25°C, RL = 20kΩ connected to VS/ 2 and VOUT = VS/2, unless otherwise noted.
PARAMETER CONDITION MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage VOS VS = ±5V, VCM = 0V ±160 ±750 µV
Drift dVOS/dT TA = –40°C to +85°C±4µV/°C
vs Power Supply PSRR VS = ±2V to ±6V, VCM = 0V 20 100 µV/V
Over Temperature VS = ±2V to ±6V, VCM = 0V 200 µV/V
Channel Separation, dc RL = 20kΩ1µV/V
f = 1kHz 98 dB
INPUT VOLTAGE RANGE
Common-Mode Voltage Range VCM (V–) – 0.3 (V+) + 0.3 V
Common-Mode Rejection Ratio CMRR
VS = ±5V, (V–) – 0.3V < VCM < (V+) + 0.3V
70 90 dB
over Temperature
VS =
±
5V, (V–) < VCM < (V+)
68 dB
VS = ±5V, (V–) – 0.3V < VCM < (V+) – 2V
80 96 dB
over Temperature
VS =
±
5V, (V–) < VCM < (V+) – 2V
74 dB
INPUT BIAS CURRENT
Input Bias Current IB
VS = ±5V, VCM = 0V
±1±10 pA
Input Offset Current IOS
VS = ±5V, VCM = 0V
±0.5 ±10 pA
INPUT IMPEDANCE
Differential 4 • 109 || 4 Ω || pF
Common-Mode 5 • 1012 || 4 Ω || pF
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz
VS = ±5V, VCM = 0V
6µVp-p
Input Voltage Noise Density, f = 1kHz en
VS = ±5V, VCM = 0V
45 nV/√Hz
Current Noise Density, f = 1kHz in
VS = ±5V, VCM = 0V
2.5 fA/√Hz
OPEN-LOOP GAIN
Open-Loop Voltage Gain AOL RL = 100kΩ, (V–)+0.1V < VO < (V+)–0.1V 120 dB
R
L
= 20kΩ, (V–)+0.075V < V
O
< (V+)–0.075V 100 110 dB
over Temperature RL = 20kΩ, (V–)+0.075V < VO < (V+)–0.075V 96 dB
RL = 5kΩ, (V–)+0.15V < VO < (V+)–0.15V 100 110 dB
over Temperature RL = 5kΩ, (V–)+0.15V < VO < (V+)–0.15V 96 dB
OUTPUT
Voltage Output Swing from Rail RL = 100kΩ, AOL > 80dB 40 mV
RL = 20kΩ, AOL > 100dB 75 mV
over Temperature RL = 20kΩ, AOL > 96dB 75 mV
RL = 5kΩ, AOL > 100dB 150 mV
over Temperature RL = 5kΩ, AOL > 96dB 150 mV
Output Current IOUT |VS – VOUT| < 1V ±10 mA
Short-Circuit Current ISC ±40 mA
Capacitive Load Drive CLOAD See Typical Performance Curves
FREQUENCY RESPONSE CL = 100pF
Gain-Bandwidth Product GBW G = +5 3 MHz
Slew Rate SR VS = ±5V, G = +5 3 V/µs
Settling Time, 0.1% tSVS = ±5V, 5V Step, G = +5 18 µs
0.01% VS = ±5V, 5V Step, G = +5 21 µs
Overload Recovery Time VIN • Gain = VS0.6 µs
Total Harmonic Distortion + Noise THD+N VS = ±5V, VO = 3Vp-p, G = +5, f = 1kHz 0.025 %
POWER SUPPLY
Specified Voltage Range, Single Supply VS412V
Specified Voltage Range, Dual Supplies VS±2±6V
Operating Voltage Range 3.6 to 12 V
Quiescent Current (per amplifier) IQIO = 0 160 200 µA
over Temperature 300 µA
TEMPERATURE RANGE
Specified Range –40 85 °C
Operating Range –55 125 °C
Storage Range –65 150 °C
Thermal Resistance
θ
JA
SOT23-5 Surface-Mount 200 °C/W
MSOP-8 Surface-Mount 150 °C/W
TSSOP-14 Surface-Mount 100 °C/W
SO-8 Surface Mount 150 °C/W
SO-14 Surface Mount 100 °C/W
DIP-8 100 °C/W
OPA703, OPA704 5
SBOS180A
TYPICAL CHARACTERISTICS
At TA = +25°C, VS = ±5V, and RL = 20kΩ, unless otherwise noted.
OPA703 GAIN AND PHASE vs FREQUENCY
10
Gain (dB)
Frequency (Hz)
100 10k1k 100k 1M 10M
120
100
80
60
40
20
0
–20
–40
–60
120
100
80
60
40
20
0
–20
–40
–60
Phase (°)
OPA704 GAIN AND PHASE vs FREQUENCY
10
Gain (dB)
Frequency (Hz)
100 10k1k 100k 1M 10M
120
100
80
60
40
20
0
–20
–40
Phase (°)
120
100
80
60
40
20
0
–20
–40
CMRR vs FREQUENCY
1
CMRR (dB)
Frequency (Hz)
10 1k100 10k 100k 1M
120
100
80
60
40
20
0
CMRR Full Scale
CMRR Limited Range
MAXIMUM AMPLITUDE vs FREQUENCY
100
Amplitude (V)
Frequency (Hz)
1k 10k 100k 1M 10M
7
6
5
4
3
2
1
0
(V+) – (V–) = 12V
OPA703
OPA704
CHANNEL SEPARATION vs FREQUENCY
10
Channel Separation (dB)
Frequency (Hz)
100 1k 10k 100k 1M
160
140
120
100
80
60
40
20
0
PSRR vs FREQUENCY
1
PSRR (dB)
Frequency (Hz)
10 1k100 10k 100k 1M
140
120
100
80
60
40
20
0
OPA703, OPA704
6SBOS180A
TYPICAL CHARACTERISTICS (Cont.)
At TA = +25°C, VS = ±5V, and RL = 20kΩ, unless otherwise noted.
INPUT CURRENT AND VOLTAGE
SPECTRAL NOISE vs FREQUENCY
0.1
Input Current and Voltage
Spectral Noise nV/√Hz
Frequency (Hz)
101 100 1k 10k 100k 1M
10000
1000
100
10
1
0.1
Current
Noise
Voltage
Noise
Output Current Spectral
Noise fA/√Hz
10000
1000
100
10
1
0.1
OPEN-LOOP GAIN vs TEMPERATURE
–100
A
OL
(dB)
Temperature (°C)
–50–75 –25 500 25 75 100 125 150 175
140
130
120
110
100
90
QUIESCENT CURRENT vs TEMPERATURE
–100
IQ (µA)
Temperature (°C)
–75 –50 –25 50250 75 100 125 150 175
250
200
150
100
50
0
COMMON-MODE REJECTION RATIO
vs TEMPERATURE
–80
CMRR (dB)
Temperature (°C)
–40–60 –20 200 40 60 80 100 120 140
120
110
100
90
80
70
60
Limited Scale
Full Scale
INPUT BIAS (IB) AND OFFSET (IOS)
CURRENT vs TEMPERATURE
–50
Bias Current (pA)
Temperature (°C)
–25 0 5025 75
IB
IOS
100 125 175150
100000
10000
1000
100
10
1
0.1
0.0
PSRR vs TEMPERATURE
–75
PSRR (dB)
Temperature (°C)
–25–50 0 5010 25 75 100 110 130 150
120
110
100
90
80
70
60
OPA703, OPA704 7
SBOS180A
TYPICAL CHARACTERISTICS (Cont.)
At TA = +25°C, VS = ±5V, and RL = 20kΩ, unless otherwise noted.
INPUT BIAS CURRENT (I
B
)
vs COMMON-MODE VOLTAGE (V
CM
)
TEMPERATURE = °25C
–6
Input Bias Current (pA)
Common-Mode Voltage, V
CM
(V)
–5–4–3–10–2123456
15
10
5
0
–5
–10
–15
INPUT BIAS CURRENT (I
B
)
vs COMMON-MODE VOLTAGE (V
CM
)
TEMPERATURE = 125°C
–6
Input Bias Current (nA)
Common-Mode Voltage, V
CM
(V)
–5–4–3–10–2123456
15
10
5
0
–5
–10
–15
QUIESCENT CURRENT vs SUPPLY VOLTAGE
2
Quiescent Current (µA)
Supply Voltage (V)
486101214
200
190
180
170
160
150
140
130
120
SHORT-CIRCUIT CURRENT
vs SUPPLY VOLTAGE
2
Short-Circuit Current (mA)
Supply Voltage (V)
486101214
60
50
40
30
20
10
0
I
SC
P (Sourcing)
I
SC
N (Sinking)
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
0
Output Voltage (V)
Output Current (±mA)
10 20 4030 50 60 70
6
4
2
0
–2
–4
–6
Sourcing
Sinking
+125°C+25°C
–55°C
+125°C
+25°C–55°C
TOTAL HARMONIC DISTORTION PLUS NOISE
(Load = 5kΩ, BW = 8kHz, 1.0Vrms)
1
THD (%)
Frequency (Hz)
10 1k100 10k 100k
1.000
0.100
0.010
0.001
G = +5
OPA704
OPA703
G = +1
OPA703, OPA704
8SBOS180A
TYPICAL CHARACTERISTICS (Cont.)
At TA = +25°C, VS = ±5V, and RL = 20kΩ, unless otherwise noted.
OPA703 SETTLING TIME vs GAIN
1
Settling Time (µs)
Non-Inverting Gain (V/V)
10 100
100
90
80
70
60
50
40
30
20
10
0.1%
0.01%
OPA704 SETTLING TIME vs GAIN
1
Settling Time (µs)
Non-Inverting Gain (V/V)
10 100
50
45
40
35
30
25
20
15
10
0.01%
0.10%
V
OS
PRODUCTION DISTRIBUTION
Frequency (%)
Voltage Offset (µV)
≤ 0.60
≤ 0.45
≤ 0.30
≤ 0.15
< 0.00
< 0.15
< 0.30
< 0.45
< 0.60
< 0.75
25
20
15
10
5
0
OPA703 SMALL-SIGNAL OVERSHOOT (%)
vs CAPACITIVE LOAD AND GAIN
10
Overshoot (%)
Load Capacitance Value (pF)
100 1k 10k
90
80
70
60
50
40
30
20
10
0
G = +1
G = –1
G
= +5
OPA704 SMALL-SIGNAL OVERSHOOT (%)
vs CAPACITIVE LOAD
10
Overshoot (%)
Capacitance Load (pF)
100 1k 10k
90
80
70
60
50
40
30
20
10
0
G = +5
V
OS
DRIFT PRODUCTION DISTRIBUTION
Frequency (%)
Voltage Offset (µV/°C)
≤ 30
≤ 24
≤ 18
≤ 12
≤ 6
< 0
< 6
< 12
< 18
< 24
< 30
≤ 27
≤ 21
≤ 15
≤ 9
≤ 3
< 3
< 9
< 15
< 21
< 27
> 30
25
20
15
10
5
0
OPA703, OPA704 9
SBOS180A
TYPICAL CHARACTERISTICS (Cont.)
At TA = +25°C, VS = ±5V, and RL = 20kΩ, unless otherwise noted.
OPA703 SMALL SIGNAL STEP RESPONSE
(G = +1V/V, RL = 20kΩ, CL = 100pF)
5µs/div
50mV/div
OPA704 SMALL SIGNAL STEP RESPONSE
(G = +5V/V, CF = 3pF, RF = 100kΩ,
CL = 100pF, RL = 20kΩ,)
5µs/div
50mV/div
OPA703 LARGE SIGNAL STEP RESPONSE
(G = +1V/V, R
L
= 20kΩ, C
L
= 100pF)
10µs/div
1V/div
OPA704 LARGE SIGNAL STEP RESPONSE
(G = +5V/V, R
L
= 20kΩ, C
F
= 3pF, C
L
= 100pF)
2µs/div
1V/div
OPA703, OPA704
10 SBOS180A
APPLICATIONS INFORMATION
OPA703 and OPA704 series op amps can operate on 160µA
quiescent current from a single (or split) supply in the range
of 4V to 12V (±2V to ±6V), making them highly versatile
and easy to use. The OPA703 is unity-gain stable and offers
1MHz bandwidth and 0.6V/µs slew rate. The OPA704 is
optimized for gains of 5 or greater with a 3MHz bandwidth
and 3V/µs slew rate.
Rail-to-rail input and output swing helps maintain dynamic
range, especially in low supply applications. Figure 1 shows
the input and output waveforms for the OPA703 in unity-
gain configuration. Operation is from a ±5V supply with a
100kΩ load connected to VS/2. The input is a 10Vp-p
sinusoid. Output voltage is approximately 10Vp-p.
Power-supply pins should be bypassed with 1000pF ceramic
capacitors in parallel with 1µF tantalum capacitors.
OPERATING VOLTAGE
OPA703 and OPA704 series op amps are fully specified and
guaranteed from +4V to +12V over a temperature range of
–40ºC to +85ºC. Parameters that vary significantly with
operating voltages or temperature are shown in the Typical
Performance Curves.
RAIL-TO-RAIL INPUT
The input common-mode voltage range of the OPA703 series
extends 300mV beyond the supply rails at room temperature.
This is achieved with a complementary input stage—an N-
channel input differential pair in parallel with a P-channel
differential pair, as shown in Figure 2. The N-channel pair is
active for input voltages close to the positive rail, typically
(V+) – 2.0V to 300mV above the positive supply, while the P-
channel pair is on for inputs from 300mV below the negative
supply to approximately (V+) – 1.5V. There is a small
transition region, typically (V+) – 2.0V to (V+) – 1.5V, in
which both pairs are on. This 500mV transition region can
vary ±100mV with process variation. Thus, the transition
region (both stages on) can range from (V+) – 2.1V to (V+)
– 1.4V on the low end, up to (V+) – 1.9V to (V+) – 1.6V on
the high end. Within the 500mV transition region PSRR,
CMRR, offset voltage, and offset drift, and THD may vary
compared to operation outside this region.
FIGURE 2. Simplified Schematic.
FIGURE 1. Rail-to-Rail Input and Output.
Input
Output (inverted on scope)
2.0V/div
G = +1, V
S
= ±5V
200µs/div
VO
V–
V+
VIN+VIN–
OPA703, OPA704 11
SBOS180A
CAPACITIVE LOAD AND STABILITY
The OPA703 and OPA704 series op amps can drive up to
1000pF pure capacitive load. Increasing the gain enhances
the amplifier’s ability to drive greater capacitive loads (see
the typical performance curve “Small Signal Overshoot vs
Capacitive Load”).
One method of improving capacitive load drive in the unity-
gain configuration is to insert a 10Ω to 20Ω resistor inside
the feedback loop, as shown in Figure 5. This reduces
ringing with large capacitive loads while maintaining DC
accuracy.
FIGURE 5. Series Resistor in Unity-Gain Buffer Configura-
tion Improves Capacitive Load Drive.
INPUT VOLTAGE
Device inputs are protected by ESD diodes that will conduct
if the input voltages exceed the power supplies by more than
approximately 300mV. Momentary voltages greater than
300mV beyond the power supply can be tolerated if the
current is limited to 10mA. This is easily accomplished with
an input resistor, as shown in Figure 3. Many input signals
are inherently current-limited to less than 10mA; therefore,
a limiting resistor is not always required. The OPA703
features no phase inversion when the inputs extend beyond
supplies if the input current is limited, as seen in Figure 4.
FIGURE 4. OPA703—No Phase Inversion with Inputs
Greater than the Power-Supply Voltage.
FIGURE 3. Input Current Protection for Voltages Exceeding
the Supply Voltage.
2.0V/div
VS = ±5.0V, VIN = 11Vp-p
20µs/div
RAIL-TO-RAIL OUTPUT
A class AB output stage with common-source transistors is
used to achieve rail-to-rail output. This output stage is
capable of driving 1kΩ loads connected to any point be-
tween V+ and ground. For light resistive loads (> 100kΩ),
the output voltage can swing to 40mV from the supply rail.
With moderate resistive loads (20kΩ), the output can swing
to within 75mV from the supply rails while maintaining high
open-loop gain (see the typical performance curve “Output
Voltage Swing vs Output Current”).
APPLICATION CIRCUITS
Figure 6 shows a G = 5 non-inverting amplifier implemented
with the OPA703 and OPA704 op amps. It demonstrates the
increased speed characteristics (bandwidth, slew rate and
settling time) that can be achieved with the OPA704 family
when used in gains of five or greater. Some optimization of
feedback capacitor value may be required to achieve best
dynamic response. Circuits with closed-loop gains of less
than five should use the OPA703 family for good stability
and capacitive load drive. The OPA703 can be used in gains
greater than five, but will not provide the increased speed
benefits of the OPA704 family.
The OPA703 series op amps are optimized for driving
medium-speed sampling data converters. The OPA703 op
amps buffer the converter’s input capacitance and resulting
charge injection while providing signal gain.
Figure 7 shows the OPA2703 in a dual-supply buffered
reference configuration for the DAC7644. The DAC7644 is
a 16-bit, low-power, quad-voltage output converter. Small
size makes the combination ideal for automatic test equip-
ment, data acquisition systems, and other low-power space-
limited applications.
R
OPA703
10mA max
+V
V–
V
IN
V
OUT
I
OVERLOAD
R
S
20Ω
OPA703
C
L
R
L
V
IN
V
OUT
OPA703, OPA704
12 SBOS180A
FIGURE 7. OPA703 as Dual Supply Configuration-Buffered References for the DAC7644.
NC
NC
NC
NC
V
OUT
A Sense
V
OUT
A
V
REF
L AB Sense
V
REF
L AB
V
REF
H AB
V
REF
H AB Sense
V
OUT
B Sense
V
OUT
B
48
47
46
45
44
43
42
41
40
39
38
37
DAC7644
500pF
+V
1/2
OPA2703
1/2
OPA2703
500pF
–V
V
OUT
V
OUT
Ref
+2.5V
V+
Ref
–2.5V Negative
Reference
Positive
Reference
V–
FIGURE 6. OPA704 Provides higher Speed in G ≥ 5.
5kΩ20kΩ
OPA704 G = 5
VIN
Demonstrates speed improvement that
can be achieved with OPA704 family
in applications with G ≥ 5.
3pF
5kΩ20kΩ
OPA703 G = 5
VIN
LARGE-SIGNAL RESPONSE
2V/div
5µs/div
OPA703
OPA704
PACKAGE OPTION ADDENDUM
www.ti.com 16-Aug-2012
Addendum-Page 1
PACKAGING INFORMATION
Orderable Device Status (1) Package Type Package
Drawing Pins Package Qty Eco Plan (2) Lead/
Ball Finish MSL Peak Temp (3) Samples
(Requires Login)
OPA2703EA/250 ACTIVE VSSOP DGK 8 250 Green (RoHS
& no Sb/Br) CU NIPDAUAGLevel-2-260C-1 YEAR
OPA2703EA/250G4 ACTIVE VSSOP DGK 8 250 Green (RoHS
& no Sb/Br) CU NIPDAUAGLevel-2-260C-1 YEAR
OPA2703EA/2K5 ACTIVE VSSOP DGK 8 2500 Green (RoHS
& no Sb/Br) CU NIPDAUAGLevel-2-260C-1 YEAR
OPA2703EA/2K5G4 ACTIVE VSSOP DGK 8 2500 Green (RoHS
& no Sb/Br) CU NIPDAUAGLevel-2-260C-1 YEAR
OPA2703PA ACTIVE PDIP P 8 50 Green (RoHS
& no Sb/Br) CU NIPDAU N / A for Pkg Type
OPA2703PAG4 ACTIVE PDIP P 8 50 Green (RoHS
& no Sb/Br) CU NIPDAU N / A for Pkg Type
OPA2703UA ACTIVE SOIC D 8 75 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA2703UA/2K5 ACTIVE SOIC D 8 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA2703UA/2K5G4 ACTIVE SOIC D 8 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA2703UAG4 ACTIVE SOIC D 8 75 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA2704EA/250 ACTIVE VSSOP DGK 8 250 Green (RoHS
& no Sb/Br) CU NIPDAUAGLevel-2-260C-1 YEAR
OPA2704EA/250G4 ACTIVE VSSOP DGK 8 250 Green (RoHS
& no Sb/Br) CU NIPDAUAGLevel-2-260C-1 YEAR
OPA2704PA ACTIVE PDIP P 8 50 Green (RoHS
& no Sb/Br) CU NIPDAU N / A for Pkg Type
OPA2704PAG4 ACTIVE PDIP P 8 50 Green (RoHS
& no Sb/Br) CU NIPDAU N / A for Pkg Type
OPA2704UA ACTIVE SOIC D 8 75 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA2704UA/2K5 ACTIVE SOIC D 8 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA2704UA/2K5G4 ACTIVE SOIC D 8 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
PACKAGE OPTION ADDENDUM
www.ti.com 16-Aug-2012
Addendum-Page 2
Orderable Device Status (1) Package Type Package
Drawing Pins Package Qty Eco Plan (2) Lead/
Ball Finish MSL Peak Temp (3) Samples
(Requires Login)
OPA2704UAG4 ACTIVE SOIC D 8 75 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4703EA/250 ACTIVE TSSOP PW 14 250 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4703EA/250G4 ACTIVE TSSOP PW 14 250 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4703EA/2K5 ACTIVE TSSOP PW 14 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4703EA/2K5G4 ACTIVE TSSOP PW 14 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4703UA ACTIVE SOIC D 14 50 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4703UA/2K5 ACTIVE SOIC D 14 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4703UA/2K5G4 ACTIVE SOIC D 14 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4703UAG4 ACTIVE SOIC D 14 50 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4704EA/250 ACTIVE TSSOP PW 14 250 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4704EA/250G4 ACTIVE TSSOP PW 14 250 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4704EA/2K5 ACTIVE TSSOP PW 14 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4704EA/2K5G4 ACTIVE TSSOP PW 14 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4704UA ACTIVE SOIC D 14 50 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA4704UAG4 ACTIVE SOIC D 14 50 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA703NA/250 ACTIVE SOT-23 DBV 5 250 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA703NA/250G4 ACTIVE SOT-23 DBV 5 250 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA703NA/3K ACTIVE SOT-23 DBV 5 3000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
PACKAGE OPTION ADDENDUM
www.ti.com 16-Aug-2012
Addendum-Page 3
Orderable Device Status (1) Package Type Package
Drawing Pins Package Qty Eco Plan (2) Lead/
Ball Finish MSL Peak Temp (3) Samples
(Requires Login)
OPA703NA/3KG4 ACTIVE SOT-23 DBV 5 3000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA703PA ACTIVE PDIP P 8 50 Green (RoHS
& no Sb/Br) CU NIPDAU N / A for Pkg Type
OPA703PAG4 ACTIVE PDIP P 8 50 Green (RoHS
& no Sb/Br) CU NIPDAU N / A for Pkg Type
OPA703UA ACTIVE SOIC D 8 75 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA703UA/2K5 ACTIVE SOIC D 8 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA703UA/2K5G4 ACTIVE SOIC D 8 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA703UAG4 ACTIVE SOIC D 8 75 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA704NA/250 ACTIVE SOT-23 DBV 5 250 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA704NA/250G4 ACTIVE SOT-23 DBV 5 250 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA704NA/3K ACTIVE SOT-23 DBV 5 3000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA704NA/3KG4 ACTIVE SOT-23 DBV 5 3000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA704PA ACTIVE PDIP P 8 50 Green (RoHS
& no Sb/Br) CU NIPDAU N / A for Pkg Type
OPA704PAG4 ACTIVE PDIP P 8 50 Green (RoHS
& no Sb/Br) CU NIPDAU N / A for Pkg Type
OPA704UA ACTIVE SOIC D 8 75 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA704UA/2K5 ACTIVE SOIC D 8 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA704UA/2K5G4 ACTIVE SOIC D 8 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
OPA704UAG4 ACTIVE SOIC D 8 75 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR
(1) The marketing status values are defined as follows:
PACKAGE OPTION ADDENDUM
www.ti.com 16-Aug-2012
Addendum-Page 4
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability
information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight
in homogeneous material)
(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device Package
Type Package
Drawing Pins SPQ Reel
Diameter
(mm)
Reel
Width
W1 (mm)
A0
(mm) B0
(mm) K0
(mm) P1
(mm) W
(mm) Pin1
Quadrant
OPA2703EA/250 VSSOP DGK 8 250 180.0 12.4 5.3 3.4 1.4 8.0 12.0 Q1
OPA2703EA/2K5 VSSOP DGK 8 2500 330.0 12.4 5.3 3.4 1.4 8.0 12.0 Q1
OPA2703UA/2K5 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1
OPA2704EA/250 VSSOP DGK 8 250 180.0 12.4 5.3 3.4 1.4 8.0 12.0 Q1
OPA2704UA/2K5 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1
OPA4703EA/250 TSSOP PW 14 250 180.0 12.4 6.9 5.6 1.6 8.0 12.0 Q1
OPA4703EA/2K5 TSSOP PW 14 2500 330.0 12.4 6.9 5.6 1.6 8.0 12.0 Q1
OPA4703UA/2K5 SOIC D 14 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1
OPA4704EA/250 TSSOP PW 14 250 180.0 12.4 6.9 5.6 1.6 8.0 12.0 Q1
OPA4704EA/2K5 TSSOP PW 14 2500 330.0 12.4 6.9 5.6 1.6 8.0 12.0 Q1
OPA703UA/2K5 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1
OPA704UA/2K5 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1
PACKAGE MATERIALS INFORMATION
www.ti.com 16-Aug-2012
Pack Materials-Page 1
*All dimensions are nominal
Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm)
OPA2703EA/250 VSSOP DGK 8 250 210.0 185.0 35.0
OPA2703EA/2K5 VSSOP DGK 8 2500 367.0 367.0 35.0
OPA2703UA/2K5 SOIC D 8 2500 367.0 367.0 35.0
OPA2704EA/250 VSSOP DGK 8 250 210.0 185.0 35.0
OPA2704UA/2K5 SOIC D 8 2500 367.0 367.0 35.0
OPA4703EA/250 TSSOP PW 14 250 210.0 185.0 35.0
OPA4703EA/2K5 TSSOP PW 14 2500 367.0 367.0 35.0
OPA4703UA/2K5 SOIC D 14 2500 367.0 367.0 38.0
OPA4704EA/250 TSSOP PW 14 250 210.0 185.0 35.0
OPA4704EA/2K5 TSSOP PW 14 2500 367.0 367.0 35.0
OPA703UA/2K5 SOIC D 8 2500 367.0 367.0 35.0
OPA704UA/2K5 SOIC D 8 2500 367.0 367.0 35.0
PACKAGE MATERIALS INFORMATION
www.ti.com 16-Aug-2012
Pack Materials-Page 2
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