SBOS936E November   2019  – August 2022 OPA182 , OPA2182 , OPA4182

PRODMIX  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information: OPA182
    5. 7.5 Thermal Information: OPA2182
    6. 7.6 Thermal Information: OPA4182
    7. 7.7 Electrical Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Phase-Reversal Protection
      2. 8.3.2 Input Bias Current Clock Feedthrough
      3. 8.3.3 EMI Rejection
      4. 8.3.4 Electrical Overstress
      5. 8.3.5 MUX-Friendly Inputs
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Strain Gauge Analog Linearization
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Rogowski Coil Integrator
      3. 9.2.3 System Examples
        1. 9.2.3.1 24-Bit, Delta-Sigma, Differential Load Cell or Strain Gauge Sensor Signal Conditioning
      4. 9.2.4 Programmable Power Supply
      5. 9.2.5 RTD Amplifier With Linearization
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Development Support
        1. 10.1.1.1 PSpice® for TI
        2. 10.1.1.2 TINA-TI™ Simulation Software (Free Download)
        3. 10.1.1.3 TI Reference Designs
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.7 Electrical Characteristics

at TA = 25°C, VCM = VOUT = VS / 2, and RLOAD = 10 kΩ connected to VS / 2 (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OFFSET VOLTAGE
VOS Input offset voltage ±0.45 ±4 µV
TA = 0°C to 85°C ±4
TA = –40°C to +125°C ±4
dVOS/dT Input offset voltage drift TA = 0°C to 85°C OPA182ID, OPA2182 ±0.003 ±0.012 µV/°C
OPA182IDBV, OPA4182ID ±0.003 ±0.020
TA = –40°C to +125°C OPA182ID, OPA2182 ±0.003 ±0.012
OPA182IDBV, OPA4182ID ±0.003 ±0.020
PSRR Power-supply rejection ratio TA = –40°C to +125°C OPA182 ±0.005 ±0.07 µV/V
OPA2182, OPA4182ID ±0.005 ±0.05
INPUT BIAS CURRENT
IB Input bias current ZIN = 100 kΩ || 500 pF ±50 ±350 pA
TA = 0°C to 85°C ±1 nA
TA = –40°C to +125°C ±7
IOS Input offset current ZIN = 100 kΩ || 500 pF ±140 ±700 pA
TA = 0°C to 85°C ±2 nA
TA = –40°C to +125°C ±3
NOISE
En Input voltage noise f = 0.1 Hz to 10 Hz 18 nVRMS
0.119 µVPP
en Input voltage noise density f = 10 Hz 5.7 nV/√Hz
f = 100 Hz 5.7
f = 1 kHz 5.7
f = 10 kHz 5.7
in Input current noise density f = 1 kHz 165 fA/√Hz
INPUT VOLTAGE
VCM Common-mode voltage range (V–) – 0.1 (V+) – 2.5 V
CMRR Common-mode rejection ratio (V–) – 0.1 V ≤ VCM ≤ (V+) – 2.5 V VS = ±2.25 V 120 140 dB
VS = ±18 V, OPA182 141 168
VS = ±18 V, OPA2182, OPA4182ID 143 168
(V–) – 0.1 V ≤ VCM ≤ (V+) – 2.5 V,
TA = –40°C to +125°C		 VS = ±2.25 V 120
VS = ±18 V, OPA182, OPA2182 140
(V–) ≤ VCM ≤ (V+) – 2.5 V,
TA = –40°C to +125°C		 VS = ±18 V, OPA4182ID 130
INPUT IMPEDANCE
zid Differential input impedance 0.1 || 3.7 GΩ || pF
zic Common-mode input impedance 60 || 2.3 TΩ || pF
OPEN-LOOP GAIN
AOL Open-loop voltage gain VS = ±18 V,
(V–) + 0.3 V < VO < (V+) – 0.3 V,
RLOAD = 10 kΩ		 OPA182, OPA2182 150 170 dB
OPA4182ID 145 170
TA = –40°C to +125°C 146
VS = ±18 V,
(V–) + 0.6 V < VO < (V+) – 0.6 V,
RLOAD = 2 kΩ		 OPA182, OPA2182 150 170
OPA4182ID 145 170
TA = –40°C to +125°C 140
FREQUENCY RESPONSE
UGB Unity-gain bandwith AV = 1 3.6 MHz
GBW Gain-bandwith product AV = 1000 5 MHz
SR Slew rate Gain = 1, 10-V step 10 V/µs
THD+N Total harmonic distortion + noise Gain = 1, f = 1 kHz, VO = 3.5 VRMS 0.00008%
Crosstalk OPA2182 At dc 150 dB
f = 10 kHz 120
tS Settling time To 0.1% VS = ±18 V, gain = 1,
10-V step		 1.3 µs
To 0.01% VS = ±18 V, gain = 1,
10-V step, falling		 1.7
VS = ±18 V, gain = 1,
10-V step, rising		 3.4
tOR Overload recovery time VIN × gain = VS = ±18V 220 ns
OUTPUT
VO Voltage output swing from rail Positive rail No load 5 15 mV
RLOAD = 10 kΩ 20 110
RLOAD = 2 kΩ 80 500
Negative rail No load 5 15
RLOAD = 10 kΩ 20 110
RLOAD = 2 kΩ 80 500
TA = –40°C to +125°C, both rails 20 120
ISC Short-circuit current ±65 mA
CLOAD Capacitive load drive See Typical Characteristics  pF
ZO Open-loop output impedance f = 1 MHz 320 Ω
POWER SUPPLY
IQ Quiescent current per amplifier VS = ±2.25 V to ±18 V TA = 25°C 0.85 1 mA
TA = –40°C to +125°C 1.1