Datasheet

OPA131, 2131, 4131
3
SBOS040A
www.ti.com
ELECTRICAL CHARACTERISTICS
At T
A
= +25°C, V
S
= ±15V, and R
L
= 2kΩ, unless otherwise noted.
OPA131UA
OPA2131UA
OPA4131PA, UA, NA
OPA131UJ
OPA2131UJ
OPA4131PJ, NJ
PARAMETER CONDITION MIN TYP MAX MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage ±0.2 ±1 ✻ ±1.5 mV
OPA131U model only ±0.2 0.75 mV
vs Temperature
(1)
Operating Temperature Range ±2 ±10 ✻✻µV/°C
vs Power Supply V
S
= ±4.5V to ±18V 50 200 ✻✻ µV/V
OPA131U model only 50 100 µV/V
INPUT BIAS CURRENT
(2)
Input Bias Current V
CM
= 0V +5 ±50 ✻✻ pA
vs Temperature See Typical Characteristic ✻
Input Offset Current V
CM
= 0V ±1 ±50 ✻✻ pA
NOISE
Input Voltage Noise
Noise Density, f = 10Hz 21 ✻ nV/√Hz
f = 100Hz 16 ✻ nV/√Hz
f = 1kHz 15 ✻ nV/√Hz
f = 10kHz 15 ✻ nV/√Hz
Current Noise Density, f = 1kHz 3 ✻ fA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range (V–) + 3 (V+) – 1 ✻✻V
Common-Mode Rejection V
CM
= –12V to +14V 70 80 ✻✻ dB
OPA131U model only 80 86 dB
INPUT IMPEDANCE
Differential 10
10
|| 1 ✻ Ω || pF
Common-Mode V
CM
= 0V 10
12
|| 3 ✻ Ω || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain V
O
= –12V to +12V 94 110 ✻✻ dB
OPA131U model only 100 110 dB
FREQUENCY RESPONSE
Gain-Bandwidth Product 4 ✻ MHz
Slew Rate 10 ✻ V/µs
Settling Time 0.1% G = –1, 10V Step, C
L
= 100pF 1.5 ✻ µs
0.01% G = –1, 10V Step, C
L
= 100pF 2 ✻ µs
Total Harmonic Distortion + Noise 1kHz, G = 1, V
O
= 3.5Vrms 0.0008 ✻ %
OUTPUT
Voltage Output, Positive (V+) – 3 (V+) – 2.5 ✻✻ V
Negative (V–) + 3 (V–) + 2.5 ✻✻ V
Short-Circuit Current ±25 ✻ mA
POWER SUPPLY
Specified Operating Voltage ±15 ✻ V
Operating Voltage Range ±4.5 ±18 ✻✻V
Quiescent Current (per amplifier) I
O
= 0 ±1.5 ±1.75 ✻ ±2mA
TEMPERATURE RANGE
Operating Range –55 +125 –55 +125 °C
Storage –55 +125 ✻✻°C
Thermal Resistance,
θ
JA
DIP-8 100 ✻ °C/W
SO-8 150 ✻ °C/W
DIP-14 80 ✻ °C/W
SO-14, SOL-16 110 ✻ °C/W
✻ Specifications same as OPA131UA.
NOTES: (1) Ensured by wafer test. (2) High-speed test at T
J
= 25°C.