LM158, LM158A, LM258, LM258A
LM358, LM358A, LM358Y, LM2904, LM2904Q
DUAL OPERATIONAL AMPLIFIERS
SLOS068C – JUNE 1976 – REVISED JULY 1998
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D
Wide Range of Supply Voltages:
– Single Supply...3 V to 30 V
(LM2904 and LM2904Q...3 V to 26 V) or
– Dual Supplies
D
Low Supply-Current Drain Independent of
Supply Voltage . . . 0.7 mA Typ
D
Common-Mode Input Voltage Range
Includes Ground, Allowing Direct Sensing
Near Ground
D
Low Input Bias and Offset Parameters:
– Input Offset Voltage ...3 mV Typ
A Versions ...2 mV Typ
– Input Offset Current...2 nA Typ
– Input Bias Current...20 nA Typ
A Versions . . . 15 nA Typ
D
Differential Input Voltage Range Equal to
Maximum-Rated Supply Voltage . . . ±32 V
(LM2904 and LM2904Q...±26 V)
D
Open-Loop Differential Voltage
Amplification . . . 100 V/mV Typ
D
Internal Frequency Compensation
description
These devices consist of two independent, high-gain, frequency-compensated operational amplifiers designed
to operate from a single supply over a wide range of voltages. Operation from split supplies also is possible if
the difference between the two supplies is 3 V to 30 V (3 V to 26 V for the LM2904 and LM2904Q), and VCC
is at least 1.5 V more positive than the input common-mode voltage. The low supply-current drain is independent
of the magnitude of the supply voltage.
Applications include transducer amplifiers, dc amplification blocks, and all the conventional operational
amplifier circuits that now can be more easily implemented in single-supply-voltage systems. For example,
these devices can be operated directly from the standard 5-V supply used in digital systems and easily provides
the required interface electronics without additional ±5-V supplies.
The LM2904Q is manufactured to demanding automotive requirements.
The LM158 and LM158A are characterized for operation over the full military temperature range of –55°C to
125°C. The LM258 and LM258A are characterized for operation from –25°C to 85°C, the LM358 and LM358A
from 0°C to 70°C, and the LM2904 and LM2904Q from –40°C to 125°C.
logic diagram (each amplifier)
IN+
IN– OUT
+
–
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.
Copyright 1998, Texas Instruments Incorporated
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.
1
2
3
4
8
7
6
5
1OUT
1IN–
1IN+
GND
VCC
2OUT
2IN–
2IN+
D, JG, P, OR PW PACKAGE
(TOP VIEW)
3212019
910111213
4
5
6
7
8
18
17
16
15
14
NC
2OUT
NC
2IN–
NC
NC
1IN–
NC
1IN+
NC
LM158, LM158A . . . FK PACKAGE
(TOP VIEW)
NC
1OUT
NC
NC NC
NC
GND
NC CC+
V
2IN+
NC – No internal connection
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
LM158, LM158A, LM258, LM258A
LM358, LM358A, LM358Y, LM2904, LM2904Q
DUAL OPERATIONAL AMPLIFIERS
SLOS068C – JUNE 1976 – REVISED JULY 1998
2POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
AVAILABLE OPTIONS
PACKAGED DEVICES
CHIP
TAVIO(max)
AT 25°CSMALL
OUTLINE
(D)†
CHIP
CARRIER
(FK)
CERAMIC
DIP
(JG)
PLASTIC
DIP
(P)
TSSOP
(PW)‡
CHIP
FORM
(Y)
0
°
Cto70
°
C
7 mV LM358D — — LM358P LM358PW LM358Y
0°C
to
70°C
3 mV — — — LM358AP — —
25
°
Cto85
°
C
5 mV LM258D — — LM258P — —
–
25°C
to
85°C
3 mV — — — LM258AP — —
40
°
Cto125
°
C
7mV
LM2904D — — LM2904P LM2904PW —
–
40°C
to
125°C
7
mV
LM2904QD — — LM2904QP — —
55
°
Cto125
°
C
5 mV LM158D LM158FK LM158JG LM158P — —
–
55°C
to
125°C
2 mV — LM158AFK LM158AJG — — —
†The D package is available taped and reeled. Add the suffix R to the device type (e.g., LM358DR).
‡The PW package is only available left-end taped and reeled.
schematic (each amplifier)
VCC+
OUT
GND (or VCC–)
To Other Amplifier
IN–
IN+
≈ 6-µA
Current
Regulator
≈ 6-µA
Current
Regulator
≈ 100-µA
Current
Regulator
≈ 50-µA
Current
Regulator
Epi-FET
Diodes
Resistors
Transistors
Capacitors
COMPONENT COUNT
1
2
7
51
2
LM158, LM158A, LM258, LM258A
LM358, LM358A, LM358Y, LM2904, LM2904Q
DUAL OPERATIONAL AMPLIFIERS
SLOS068C – JUNE 1976 – REVISED JULY 1998
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
LM358Y chip information
These chips, when properly assembled, display characteristics similar to the LM358. Thermal compression or
ultrasonic bonding can be used on the doped-aluminum bonding pads. Chips can be mounted with conductive
epoxy or a gold-silicon preform.
Chip Thickness: 15 Typical
Bonding Pads: 4 ×4 Minimum
TJ(max) = 150°C
Tolerances Are ±10%.
All Dimensions Are in Mils.
No Backside Metallization
Pin (4) is Internally Connected to Backside of Chip.
BONDING PAD ASSIGNMENTS
47
57
(7) (6) (5)
(8) (4)
(3)
(2)(1)
1IN+
1IN– 1OUT
+
–
(2)
(3) (1)
VCC+
(8)
2OUT 2IN+
VCC–
(4)
+
–2IN–
(5)
(6)
(7)
LM158, LM158A, LM258, LM258A
LM358, LM358A, LM358Y, LM2904, LM2904Q
DUAL OPERATIONAL AMPLIFIERS
SLOS068C – JUNE 1976 – REVISED JULY 1998
4POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
LM158, LM158A
LM258, LM258A
LM358, LM358A
LM2904
LM2904Q UNIT
Supply voltage, VCC (see Note 1) 32 26 V
Differential input voltage, VID (see Note 2) ±32 ±26 V
Input voltage, VI (either input) –0.3 to 32 –0.3 to 26 V
Duration of output short circuit (one amplifier) to ground
at (or below) 25°C free-air temperature (VCC ≤ 15 V) (see Note 3) Unlimited Unlimited
Continuous total power dissipation See Dissipation Rating Table
LM158, LM158A –55 to 125
O
p
erating free air tem
p
erature range TA
LM258, LM258A –25 to 85 °
C
Operating
free
-
air
temperat
u
re
range
,
T
ALM358, LM358A 0 to 70
°C
LM2904, LM2904Q –40 to 125
Storage temperature range, Tstg –65 to 150 –65 to 150 °C
Case temperature for 60 seconds FK package 260 °C
Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds JG package 300 300 °C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds D, P, or PW package 260 260 °C
NOTES: 1. All voltage values, except differential voltages and VCC specified for measurement of IOS, are with respect to the network ground
terminal.
2. Differential voltages are at IN+ with respect to IN–.
3. Short circuits from outputs to VCC can cause excessive heating and eventual destruction.
DISSIPATION RATING TABLE
PACKAGE TA ≤ 25°C
POWER RATING DERATING FACTOR
ABOVE TA = 25°CTA = 70°C
POWER RATING TA = 85°C
POWER RATING TA = 125°C
POWER RATING
D725 mW 5.8 mW/°C 464 mW 377 mW 145 mW
FK 1375 mW 11.0 mW/°C 880 mW 715 mW 275 mW
JG 1050 mW 8.4 mW/°C 672 mW 546 mW 210 mW
P 1000 mW 8.0 mW/°C 640 mW 520 mW 200 mW
PW 525 mW 4.2 mW/°C 336 mW 273 mW –
LM158, LM158A, LM258, LM258A
LM358, LM358A, LM358Y, LM2904, LM2904Q
DUAL OPERATIONAL AMPLIFIERS
SLOS068C – JUNE 1976 – REVISED JULY 1998
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, VCC = 5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS
†
T
A‡
LM158
LM258 LM358 UNIT
A
MIN TYP§MAX MIN TYP§MAX
VIO
In
p
ut offset voltage
VCC = 5 V to MAX,
VIC VICR( i )
25°C 3 5 3 7
V
IO
Inp
u
t
offset
v
oltage
V
IC =
V
ICR(min),
VO = 1.4 V Full range 7 9
αVIO Average temperature
coefficient of
input offset voltage Full range 7 7 µV/°C
IIO
In
p
ut offset current
VO=14V
25°C 2 30 2 50
I
IO
Inp
u
t
offset
c
u
rrent
V
O =
1
.
4
V
Full range 100 150
αIIO Average temperature
coefficient of
input offset current Full range 10 10 pA/°C
IIB
In
p
ut bias current
VO=14V
25°C –20 –150 –20 –250
I
IB
Inp
u
t
bias
c
u
rrent
V
O =
1
.
4
V
Full range –300 –500
VICR
Common-mode
VCC =5VtoMAX
25°C0 to
VCC–1.5 0 to
VCC–1.5
V
ICR input voltage range
V
CC =
5
V
to
MAX
Full range 0 to
VCC–2 0 to
VCC–2
RL ≥ 2 kΩ25°C VCC–1.5 VCC–1.5
VOH
High-level RL ≥ 10 kΩ25°C
V
OH
g
output voltage
VCC = MAX
RL = 2 kΩFull range 26 26
V
CC =
MAX
RL ≥ 10 kΩFull range 27 28 27 28
VOL Low-level
output voltage RL ≤ 10 kΩFull range 5 20 5 20 mV
AVD
Large-signal
differential
VCC = 15 V,
VO1Vto11V
25°C 50 100 25 100
A
VD
diff
eren
ti
a
l
voltage amplification
V
O =
1
V
t
o
11
V
,
RL = ≥2 kΩFull range 25 15
CMRR Common-mode
rejection ratio VCC = 5 V to MAX,
VIC = VICR(min) 25°C 70 80 65 80 dB
kSVR Supply-voltage
rejection ratio
(∆VDD/∆VIO)VCC = 5 V to MAX 25°C 65 100 65 100 dB
VO1/VO2 Crosstalk attenuation f = 1 kHz to 20 kHz 25°C 120 120 dB
V
CC
= 15 V, V
ID
= 1 V, 25°C –20 –30 –20 –30
CC ,ID ,
VO = 0 Full range –10 –10
IOOutput current V
CC
= 15 V, V
ID
= –1 V, 25°C 10 20 10 20
CC ,ID ,
VO = 15 V Full range 5 5
VID = –1 V, VO = 200 mV 25°C 12 30 12 30 µA
IOS Short-circuit
output current VCC at 5 V, GND at –5 V,
VO = 0 25°C±40 ±60 ±40 ±60 mA
Su
pp
ly current
VO = 2.5 V, No load Full range 0.7 1.2 0.7 1.2
ICC
S
u
ppl
y
c
u
rrent
(two amplifiers) VCC = MAX, VO = 0.5 V,
No load Full range 1 2 1 2 mA
†All characteristics are measured under open-loop conditions with zero common-mode input voltage, unless otherwise specified. MAX VCC for
testing purposes is 26 V for LM 2904 and 30 V for others.
‡Full range is –55°C to 125°C for LM158, –25°C to 85°C for LM258, 0°C to 70°C for LM358, and –40°C to 125°C for LM2904 and LM2904Q.
§All typical values are at TA = 25°C.
LM158, LM158A, LM258, LM258A
LM358, LM358A, LM358Y, LM2904, LM2904Q
DUAL OPERATIONAL AMPLIFIERS
SLOS068C – JUNE 1976 – REVISED JULY 1998
6POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, VCC = 5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS
†
T
A‡
LM2904
LM2904Q UNIT
A
MIN TYP§MAX
VIO
In
p
ut offset voltage
V
CC
= 5 V to MAX, 25°C 3 7
mV
V
IO
Inp
u
t
offset
v
oltage
CC ,
VIC = VICR(min), VO = 1.4 V Full range 10
mV
αVIO Average temperature coef ficient of
input offset voltage Full range 7 µV/°C
IIO
In
p
ut offset current
VO=14V
25°C 2 50
nA
I
IO
Inp
u
t
offset
c
u
rrent
V
O =
1
.
4
V
Full range 300
nA
αIIO Average temperature coef ficient of
input offset current Full range 10 pA/°C
IIB
In
p
ut bias current
VO=14V
25°C –20 –250
nA
I
IB
Inp
u
t
bias
c
u
rrent
V
O =
1
.
4
V
Full range –500
nA
VICR
Common mode in
p
ut voltage range
VCC =5VtoMAX
25°C0 to
VCC–1.5
V
V
ICR
Common
-
mode
inp
u
t
v
oltage
range
V
CC =
5
V
to
MAX
Full range 0 to
VCC–2
V
RL ≥ 2 kΩ25°C
VOH
High level out
p
ut voltage
RL ≥ 10 kΩ25°C VCC–1.5
V
V
OH
High
-
le
v
el
o
u
tp
u
t
v
oltage
VCC = MAX
RL = 2 kΩFull range 26
V
V
CC =
MAX
RL ≥ 10 kΩFull range 23 24
VOL Low-level output voltage RL ≤ 10 kΩFull range 5 20 mV
AVD
Large-signal differential V
CC
= 15 V, V
O
= 1 V to 11 V, 25°C 25 100
V/mV
A
VD
gg
voltage amplification
CC ,O,
RL = ≥2 kΩFull range 15
V/mV
CMRR Common-mode rejection ratio VCC = 5 V to MAX,
VIC = VICR(min) 25°C 50 80 dB
kSVR Supply-voltage rejection ratio
(∆VDD/∆VIO)VCC = 5 V to MAX 25°C 65 100 dB
VO1/VO2 Crosstalk attenuation f = 1 kHz to 20 kHz 25°C 120 dB
VCC =15VV
ID =1VV
O=0
25°C –20 –30
V
CC =
15
V
,
V
ID =
1
V
,
V
O =
0
Full range –10
mA
IOOutput current
VCC =15VV
ID =1VV
O
=15V
25°C 10 20
mA
V
CC =
15
V
,
V
ID = –
1
V
,
V
O =
15
V
Full range 5
VID = –1 V, VO = 200 mV 25°C 30 µA
IOS Short-circuit output current VCC at 5 V, GND at –5 V, VO = 0 25°C±40 ±60 mA
ICC
Su
pp
ly current (two am
p
lifiers)
VO = 2.5 V, No load Full range 0.7 1.2
mA
I
CC
S
u
ppl
y
c
u
rrent
(t
w
o
amplifiers)
VCC = MAX, VO = 0.5 V, No load Full range 1 2
mA
†All characteristics are measured under open-loop conditions with zero common-mode input voltage, unless otherwise specified. MAX VCC for
testing purposes is 26 V for LM 2904 and 30 V for others.
‡Full range is –55°C to 125°C for LM158, –25°C to 85°C for LM258, 0°C to 70°C for LM358, and –40°C to 125°C for LM2904 and LM2904Q.
§All typical values are at TA = 25°C.
LM158, LM158A, LM258, LM258A
LM358, LM358A, LM358Y, LM2904, LM2904Q
DUAL OPERATIONAL AMPLIFIERS
SLOS068C – JUNE 1976 – REVISED JULY 1998
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, VCC = 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS†
T‡
LM158A LM258A
PARAMETER
TEST
CONDITIONS†
T
A
‡
MIN TYP§MAX MIN TYP§MAX
VIO
In
p
ut offset voltage
VCC = 5 V to 30 V,
VIC VICR( i )
25°C 2 2 3
V
IO
Inp
u
t
offset
v
oltage
V
IC =
V
ICR(min),
VO = 1.4 V Full range 4 4
αVIO Average temperature
coefficient of
input offset voltage Full range 7 15* 7 15 µV/°C
IIO
In
p
ut offset current
VO=14V
25°C 2 10 2 15
I
IO
Inp
u
t
offset
c
u
rrent
V
O =
1
.
4
V
Full range 30 30
αIIO Average temperature
coefficient of
input offset current Full range 10 200 10 200 pA/°C
IIB
In
p
ut bias current
VO=14V
25°C –15 –50 –15 –80
I
IB
Inp
u
t
bias
c
u
rrent
V
O =
1
.
4
V
Full range –100 –100
VICR
Common-mode
VCC =30V
25°C0 to
VCC–1.5 0 to
VCC–1.5
V
ICR input voltage range
V
CC =
30
V
Full range 0 to
VCC–2 0 to
VCC–2
Hi h l l
RL ≥ 2 kΩ25°C VCC–1.5 VCC–1.5
VOH High-level
out
p
ut voltage
VCC =30V
RL = 2 kΩFull range 26 26 V
out ut
voltage
V
CC =
30
V
RL ≥ 10 kΩFull range 27 28 27 28
VOL Low-level
output voltage RL ≤ 10 kΩFull range 5 20 5 20 mV
AVD
Large-signal
differential
VCC = 15 V,
VO1Vto11V
25°C 50 100 50 100
A
VD
diff
eren
ti
a
l
voltage amplification
V
O =
1
V
t
o
11
V
,
RL = ≥2 kΩFull range 25 25
CMRR Common-mode
rejection ratio 25°C 70 80 70 80 dB
kSVR Supply-voltage
rejection ratio
(∆VDD/∆VIO)25°C 65 100 65 100 dB
VO1/VO2 Crosstalk attenuation f = 1 kHz to 20 kHz 25°C 120 120 dB
*On products compliant to MIL-PRF-38535, this parameter is not production tested.
†All characteristics are measured under open-loop conditions with zero common-mode input voltage, unless otherwise specified.
‡Full range is –55°C to 125°C for LM158A, –25°C to 85°C for LM258A, and 0°C to 70°C for LM358A.
§All typical values are at TA = 25°C.
LM158, LM158A, LM258, LM258A
LM358, LM358A, LM358Y, LM2904, LM2904Q
DUAL OPERATIONAL AMPLIFIERS
SLOS068C – JUNE 1976 – REVISED JULY 1998
8POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, VCC = 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS†
T‡
LM358A
UNIT
PARAMETER
TEST
CONDITIONS†
T
A
‡
MIN TYP§MAX
UNIT
VIO
In
p
ut offset voltage
V
CC
= 5 V to 30 V, 25°C 2 3
mV
V
IO
Inp
u
t
offset
v
oltage
CC ,
VIC = VICR(min), VO = 1.4 V Full range 5
mV
αVIO Average temperature coef ficient of
input offset voltage Full range 7 20 µV/°C
IIO
In
p
ut offset current
VO=14V
25°C 2 30
nA
I
IO
Inp
u
t
offset
c
u
rrent
V
O =
1
.
4
V
Full range 75
nA
αIIO Average temperature coef ficient of
input offset current Full range 10 300 pA/°C
IIB
In
p
ut bias current
VO=14V
25°C –15 –100
nA
I
IB
Inp
u
t
bias
c
u
rrent
V
O =
1
.
4
V
Full range –200
nA
VICR
Common mode in
p
ut voltage range
VCC =30V
25°C0 to
VCC–1.5
V
V
ICR
Common
-
mode
inp
u
t
v
oltage
range
V
CC =
30
V
Full range 0 to
VCC–2
V
RL ≥ 2 kΩ25°C VCC–1.5
VOH High-level output voltage
VCC =30V
RL = 2 kΩFull range 26 V
V
CC =
30
V
RL ≥ 10 kΩFull range 27 28
VOL Low-level output voltage RL ≤ 10 kΩFull range 5 20 mV
AVD
Large-signal differential V
CC
= 15 V, V
O
= 1 V to 11 V, 25°C 25 100
V/mV
A
VD
gg
voltage amplification
CC ,O,
RL = ≥2 kΩFull range 15
V/mV
CMRR Common-mode rejection ratio 25°C 65 80 dB
kSVR Supply-voltage rejection ratio
(∆VDD/∆VIO)25°C 65 100 dB
VO1/VO2 Crosstalk attenuation f = 1 kHz to 20 kHz 25°C 120 dB
†All characteristics are measured under open-loop conditions with zero common-mode input voltage, unless otherwise specified.
‡Full range is –55°C to 125°C for LM158A, –25°C to 85°C for LM258A, and 0°C to 70°C for LM358A.
§All typical values are at TA = 25°C.
LM158, LM158A, LM258, LM258A
LM358, LM358A, LM358Y, LM2904, LM2904Q
DUAL OPERATIONAL AMPLIFIERS
SLOS068C – JUNE 1976 – REVISED JULY 1998
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics VCC = 5 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS†
LM358Y
PARAMETER
TEST
CONDITIONS†
MIN TYP MAX
VIO Input offset voltage 3 7 mV
IIO Input offset current VCC = 5 V to MAX, VIC = VICR(min),V
O
= 1.4 V 2 50 nA
IIB Input bias current
()
–20 –250 nA
VICR Common-mode
input voltage range VCC = 5 V to MAX 0 to
VCC–1.5 V
VOH+ High-level output voltage RL ≥ 10 kΩVCC–1.5 V
AVD Large-signal differential
voltage amplification VCC = 15 V, VO = 1 V to 11 V, RL = ≥2 kΩ15 100 V/mV
CMRR Common-mode rejection ratio VIC = VICR(min) 65 80 dB
kSVR Supply-voltage rejection ratio
(∆VCC±/∆VIO)65 100 dB
VCC =15V
VID = 1 V, VO = 0 –20 –30 –60
IOOutput current
V
CC =
15
V
VID = –1 V, VO = 15 V 10 20 mA
VID = 1 V, VO = 200 mV 12 30
IOS Short-circuit output current VCC at 5 V, GND at –5 V, VO = 0 ±40 ±60 mA
ICC
Su
pp
ly current (four am
p
lifiers)
VO = 2.5 V, No load 0.7 1.2
I
CC
S
u
ppl
y
c
u
rrent
(fo
u
r
amplifiers)
VCC = MAX, VO = 0.5 V, No load 1 2
†All characteristics are measured under open-loop conditions with zero common-mode input voltage, unless otherwise specified. MAX VCC for
testing purposes is 30 V.
IMPORTANT NOTICE
Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue
any product or service without notice, and advise customers to obtain the latest version of relevant information
to verify, before placing orders, that information being relied on is current and complete. All products are sold
subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those
pertaining to warranty, patent infringement, and limitation of liability.
TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent
TI deems necessary to support this warranty . Specific testing of all parameters of each device is not necessarily
performed, except those mandated by government requirements.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF
DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL
APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR
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