Datasheet

OPA234, OPA2234, OPA4234
4
SBOS055B
www.ti.com
PARAMETER CONDITION MIN TYP MAX MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
CM
= 0V ±70 ±250 ✻ ±500 µV
OPA4234U Model ±70 ±250 µV
vs Temperature
(1)
dV
OS
/dT Operating Temperature Range ±0.5 ±5 ✻✻µV/°C
vs Power Supply PSRR V
S
= ±1.35V to ±18V, V
CM
= 0V 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
= 0V –12 –25 ✻ –50 nA
Input Offset Current I
OS
V
CM
= 0V ±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 (V–) (V+) –1 ✻✻V
Common-Mode Rejection CMRR V
CM
= –15V to 14V 91 106 86 ✻ dB
INPUT IMPEDANCE
Differential 10
7
|| 5 ✻ Ω || pF
Common-Mode V
CM
= 0V 10
10
|| 6 ✻ Ω || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
V
O
= –14.5V to 14V 110 120 100 ✻ 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, 10V Step, C
L
= 100pF 41 ✻ µs
0.01% G = 1, 10V Step, C
L
= 100pF 47 ✻ µs
Overload Recovery Time (V
IN
) (Gain) = V
S
22 ✻ µs
OUTPUT
Voltage Output: Positive (V+) –1 (V+) –0.7 ✻✻ V
Negative (V–) +0.5 (V–) +0.15 ✻✻ V
Short-Circuit Current I
SC
±22 ✻ mA
Capacitive Load Drive (Stable Operation)
(3)
G = +1 1000 ✻ pF
POWER SUPPLY
Specified Operating Voltage ±15 ✻ V
Operating Voltage Range ±1.35 ±18 ✻✻V
Quiescent Current (per amplifier) I
Q
I
O
= 0 ±275 ±350 ✻✻ 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 OPA234U, E.
NOTES: (1) Wafer-level tested to 95% confidence level. (2) Positive conventional current flows into the input terminals. (3) See
Small-Signal Overshoot vs Load
Capacitance
typical curve.
ELECTRICAL CHARACTERISTICS: V
S
= ±15V
At T
A
= 25°C, V
S
= ±15V, and R
L
= 10kΩ connected to ground, unless otherwise noted.
OPA234U, E
OPA2234U
OPA234UA, EA
OPA2234UA
OPA4234UA, U