2
®
OPA234, 2234, 4234
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 and V
OUT
= VS/2, unless otherwise noted.
OPA234P, U, E
OPA2234P, U
OPA234PA, UA, EA
OPA2234PA, UA
OPA4234PA, UA, U
PARAMETER CONDITION MIN TYP MAX MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
CM
= 2.5V ±40 ±100 ✻ ±250 µV
OPA234E, EA ±100 ±150 ✻ ±350 µV
vs Temperature
(1)
dVOS/dT Operating Temperature Range ±0.5 ±3 ✻✻µV/°C
vs Power Supply PSRR V
S
= +2.7V to +30V, V
CM
= 1.7V 3 10 ✻ 20 µV/V
vs Time 0.2 ✻ µV/mo
Channel Separation (Dual, Quad) 0.3 ✻ µV/V
INPUT BIAS CURRENT
Input Bias Current
(2)
I
B
V
CM
= 2.5V –15 –30 ✻ –50 nA
Input Offset Current I
OS
V
CM
= 2.5V ±1 ±5 ✻✻nA
NOISE f = 1kHz
Input Voltage Noise Density v
n
25 ✻ nV/√Hz
Current Noise Density i
n
80 ✻ fA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range –0.1 (V+) –1 ✻✻V
Common-Mode Rejection CMRR V
CM
= –0.1V to 4V 91 106 86 ✻ dB
INPUT IMPEDANCE
Differential 10
7
|| 5 ✻ Ω || pF
Common-Mode V
CM
= 2.5V 10
10
|| 6 ✻ Ω || pF
OPEN-LOOP GAIN V
O
= 0.25V to 4V
Open-Loop Voltage Gain A
OL
RL = 10kΩ 108 120 100 ✻ dB
R
L
= 2kΩ 86 96 86 ✻ dB
FREQUENCY RESPONSE
Gain-Bandwidth Product GBW C
L
= 100pF 0.35 ✻ MHz
Slew Rate SR 0.2 ✻ V/µs
Settling Time: 0.1% G = 1, 3V Step, C
L
= 100pF 15 ✻ µs
0.01% G = 1, 3V Step, C
L
= 100pF 25 ✻ µs
Overload Recovery Time (V
IN
) (Gain) = V
S
16 ✻ µs
OUTPUT
Voltage Output: Positive R
L
= 10kΩ to VS/2 (V+) –1
(V+) –0.65
✻✻ V
Negative R
L
= 10kΩ to VS/2 0.25 0.05 ✻✻ V
Positive R
L
= 10kΩ to Ground (V+) –1
(V+) –0.65
✻✻ V
Negative R
L
= 10kΩ to Ground 0.1 0.05 ✻✻ V
Short-Circuit Current I
SC
±11 ✻ mA
Capacitive Load Drive (Stable Operation)
(3)
G = +1 1000 ✻ pF
POWER SUPPLY
Specified Operating Voltage +5 ✻ V
Operating Voltage Range +2.7 +36 ✻✻V
Quiescent Current (per amplifier) I
Q
IO = 0 250 300 ✻✻µA
TEMPERATURE RANGE
Specified Range –40 +85 ✻✻°C
Operating Range –40 +125 ✻✻°C
Storage –55 +125 ✻✻°C
Thermal Resistance
θ
JA
8-Pin DIP 100 ✻ °C/W
SO-8 Surface-Mount 150 ✻ °C/W
MSOP-8 Surface-Mount 220 ✻ °C/W
14-Pin DIP 80 ✻ °C/W
SO-14 Surface-Mount 110 ✻ °C/W
✻ Specifications same as OPA234P,U,E.
NOTES: (1) Guaranteed by wafer-level test to 95% confidence level. (2) Positive conventional current flows into the input terminals. (3) See “Small-Signal Overshoot
vs Load Capacitance” typical curve.