SBOS040B November   1994  – July 2024 OPA131 , OPA2131 , OPA4131

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Applications
  4. 3Description
  5. 4Pin Configuration and Functions
  6. 5Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions
    3. 5.3 Thermal Information - OPA131
    4. 5.4 Thermal Information - OPA2131
    5. 5.5 Thermal Information - OPA4131
    6. 5.6 Electrical Characteristics
    7. 5.7 Typical Characteristics
  7. 6Application and Implementation
    1. 6.1 Application Information
      1. 6.1.1 Offset Voltage Trim
    2. 6.2 Typical Application
      1. 6.2.1 Input Bias Current
  8. 7Device and Documentation Support
    1. 7.1 Receiving Notification of Documentation Updates
    2. 7.2 Support Resources
    3. 7.3 Trademarks
    4. 7.4 Electrostatic Discharge Caution
    5. 7.5 Glossary
  9. 8Revision History
  10. 9Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|14
  • DW|16
  • N|14
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.6 Electrical Characteristics

at TA = 25°C, VS = ±15V, RL = 10kΩ connected to midsupply, and VCM = VOUT = midsupply (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OFFSET VOLTAGE
VOS Input offset voltage    OPAx131UA ±0.2 ±1 mV
OPA2131U, OPA4131U ±0.2 ±1.5
OPA131U ±0.2 ±0.75
dVOS/dT Input offset voltage drift TA = –40°C to +85°C ±2 ±10 μV/°C
PSRR Power-supply rejection ratio 9V ≤ VS ≤ 36V OPAx131UA, OPA2131U, OPA4131U ±50 ±200 μV/V
OPA131U ±50 ±100
INPUT BIAS CURRENT
IB Input bias current(1) ±5 ±50 pA
TA = –40°C to +85°C See Typical Characteristics
IOS Input offset current(1) ±1 ±50 pA
NOISE
en Input voltage noise density f = 10Hz 21 nV/√Hz
f = 100Hz 16
f = 1kHz 15
f = 10kHz 15
In Input current noise density f = 1kHz 3 fA/√Hz
INPUT VOLTAGE
VCM Common-mode voltage (V–) + 3 (V+) – 3.5 V
CMRR Common-mode rejection ratio –12V ≤ VCM ≤ 11.5V  OPAx131UA, OPA2131U, OPA4131U 70 80 dB
OPA131U 80 86
INPUT IMPEDANCE
Differential   1010 || 5 Ω || pF
Common-mode –13V ≤ VCM ≤ 11.5V 1012 || 4.3
OPEN-LOOP GAIN
AOL Open-loop voltage gain  –12V ≤ VO ≤ 12V OPAx131UA, OPA2131U, OPA4131U 94 110 dB
OPA131U 100 110
FREQUENCY RESPONSE
GBW Gain bandwidth product 4 MHz
SR Slew rate 10 V/μs
Settling time  10V step, G = 1 0.1% 1.5 μs
0.01% 2
THD+N Total harmonic distortion plus noise f = 1kHz, G = 1, VO = 3.5Vrms 0.0008%
OUTPUT
VO Voltage output  RL = 2kΩ Positive (V+) – 3 (V+) – 2.5 V
Negative (V–) + 2.5 (V–) + 3
ISC Short-circuit current ±20 mA
POWER SUPPLY
IQ Quiescent current (per amplifier) IO = 0mA  OPAx131UA ±1.5 ±1.75 mA
OPAx131U ±1.5 ±2
(1) High-speed test at TJ = 25°C.