2
®
OPA237, 2237, 4237
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
SPECIFICATIONS: VS = +5V
At TA = +25°C, VS = +5V, RL = 10kΩ connected to VS/2, unless otherwise noted.
OPA237UA, NA
OPA2237UA, EA
OPA4237UA
PARAMETER CONDITION MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage VCM = 2.5V ±250 ±750 µV
vs Temperature(1) Specified Temperature Range ±2±5µV/°C
vs Power Supply (PSRR) VS = +2.7V to +36V 10 30 µV/V
Channel Separation (dual and quad) 0.5 µV/V
INPUT BIAS CURRENT
Input Bias Current(2) VCM = 2.5V –10 –40 nA
Input Offset Current VCM = 2.5V ±0.5 ±10 nA
NOISE
Input Voltage Noise, f = 0.1 to 10Hz 1 µVp-p
Input Voltage Noise Density, f = 1kHz 28 nV/√Hz
Current Noise Density, f = 1kHz 60 fA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range –0.2 (V+) –1.5 V
Common-Mode Rejection VCM = –0.2V to 3.5V 78 86 dB
INPUT IMPEDANCE
Differential 5 • 106 || 4 Ω || pF
Common-Mode 5 • 109 || 2 Ω || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain VO = 0.5V to 4V 80 88 dB
FREQUENCY RESPONSE
Gain-Bandwidth Product 1.4 MHz
Slew Rate G = 1 0.5 V/µs
Settling Time: 0.1% G = –1, 3V Step, CL = 100pF 11 µs
0.01% G = –1, 3V Step, CL = 100pF 16 µs
OUTPUT
Voltage Output, Positive RL = 100kΩ to Ground (V+) –1 (V+) –0.75 V
Negative RL = 100kΩ to Ground 0.01 0.001 V
Positive RL = 100kΩ to 2.5V (V+) –1 (V+) –0.75 V
Negative RL = 100kΩ to 2.5V 0.12 0.04 V
Positive RL = 10kΩ to 2.5V (V+) –1 (V+) –0.75 V
Negative RL = 10kΩ to 2.5V 0.5 0.35 V
Short-Circuit Current –10/+4 mA
Capacitive Load Drive (stable operation) See Typical Curves
POWER SUPPLY
Specified Operating Voltage +5 V
Operating Range +2.7 +36 V
Quiescent Current (per amplifier) 170 350 µA
TEMPERATURE RANGE
Specified Range –40 +85 °C
Operating Range –55 +125 °C
Storage –55 +125 °C
Thermal Resistance,
θ
JA
5-Lead SOT-23-5 200 °C/W
MSOP-8 Surface-Mount 150 °C/W
SSOP-16 Surface-Mount 150 °C/W
SO-8 Surface-Mount 150 °C/W
NOTES: (1) Guaranteed by wafer-level test to 95% confidence. (2) Positive conventional current flows into the input terminals.