SBOS830I September   2017  – October 2021 OPA189 , OPA2189 , OPA4189

PRODUCTION DATA  

  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: OPA189
    5. 7.5 Thermal Information: OPA2189
    6. 7.6 Thermal Information: OPA4189
    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 Operating Characteristics
      2. 8.3.2 Phase-Reversal Protection
      3. 8.3.3 Input Bias Current Clock Feedthrough
      4. 8.3.4 EMI Rejection
      5. 8.3.5 EMIRR +IN Test Configuration
      6. 8.3.6 Electrical Overstress
      7. 8.3.7 MUX-Friendly Inputs
      8. 8.3.8 Noise Performance
      9. 8.3.9 Basic Noise Calculations
    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 25-kHz Low-Pass Filter
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Discrete INA + Attenuation for ADC With 3.3-V Supply
      3. 9.2.3 Bridge Amplifier
      4. 9.2.4 Low-Side Current Monitor
      5. 9.2.5 Programmable Power Supply
      6. 9.2.6 RTD Amplifier With Linearization
    3. 9.3 System Examples
      1. 9.3.1 24-Bit, Delta-Sigma, Differential Load Cell or Strain Gauge Sensor Signal Conditioning
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
        1. 12.1.1.1 TINA-TI™ Simulation Software (Free Download)
        2. 12.1.1.2 TI Precision Designs
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, 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, VS = ±18V, 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, OPA189  ±0.4 ±3 µV
TA = –40°C to 125°C ±4
Input offset voltage, OPA2189IDGK & OPA4189IPW  VS = ±2.25V ±0.5 ±3 µV
VS = ±18V ±0.8 ±5 µV
TA = –40°C to 125°C, VS = ±18V ±8 µV
Input offset voltage, OPA2189ID   ±1.5 ±5 µV
TA = –40°C to 125°C ±8 µV
dVOS/dT Input offset voltage drift, OPA189 TA = –40°C to 125°C ±0.005 ±0.02 µV/°C
Input offset voltage drift, OPA2189IDGK & OPA4189IPW  TA = 0°C to 85°C ±0.006 ±0.015 µV/°C
TA = -40°C to 125°C ±0.01 ±0.03 µV/°C
Input offset voltage drift, OPA2189ID   TA = 0°C to 85°C ±0.007 ±0.03 µV/°C
TA = –40°C to 125°C ±0.01 ±0.05 µV/°C
PSRR Power-supply rejection ratio TA = –40°C to 125°C ±0.005 ±0.05 µV/V
INPUT BIAS CURRENT
IB Input bias current, OPA189 ZIN = 100 kΩ || 500 pF ±70 ±300 pA
TA = 0°C to 85°C ±1 nA
TA = –40°C to 125°C ±10
Input bias current, OPA2189  ±70 ±300 pA
TA = 0°C to 85°C ±1.5 nA
TA = –40°C to 125°C ±10
Input bias current, OPA4189 ±70 ±500 pA
TA = 0°C to 85°C ±2 nA
TA = –40°C to 125°C ±15
IOS Input offset current, OPA189 ZIN = 100 kΩ || 500 pF ±140 ±600 pA
TA = 0°C to 85°C ±1.6 nA
TA = –40°C to 125°C ±3
Input offset current, OPA2189  ±140 ±600 pA
TA = 0°C to 85°C ±2.5 nA
TA = –40°C to 125°C ±5
Input offset current, OPA4189 ±140 ±1 pA
TA = 0°C to 85°C ±2.5 nA
TA = –40°C to 125°C ±5
NOISE
En Input voltage noise f = 0.1 Hz to 10 Hz 17 nVRMS
0.1 µVPP
en Input voltage noise density f = 10 Hz 5.2 nV/√Hz
f = 100 Hz 5.2
f = 1 kHz 5.2
f = 10 kHz 5.2
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 146 168
(V–) – 0.1 V ≤ VCM ≤ (V+) – 2.5 V,
TA = –40°C to 125°C		 VS = ±18 V 120
VS = ±2.25 V 110
INPUT IMPEDANCE
zid Differential input impedance 0.1 || 5.5 GΩ || pF
zic Common-mode input impedance 60 || 1.7 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		 150 170 dB
(V–) + 0.3 V < VO < (V+) – 0.3 V,
RLOAD = 10 kΩ,
TA = –40°C to 125°C		 140
(V–) + 0.6 V < VO < (V+) – 0.6 V,
RLOAD = 2 kΩ		 150 170
(V–) + 0.6 V < VO < (V+) – 0.6 V,
RLOAD = 2 kΩ,
TA = –40°C to 125°C		 140
FREQUENCY RESPONSE
UGB Unity-gain Bandwith AV = 1 8 MHz
GBW Gain-bandwith Product AV = 1000 14
SR Slew rate G = 1, 10-V step 20 V/µs
THD+N Total harmonic distortion + noise G = 1, f = 1 kHz, VO = 3.5 VRMS 0.00006%
Crosstalk  OPA2189ID, at dc 150 dB
OPA2189ID, f = 100 kHz 120
tS Settling time To 0.1% VS = ±18 V, G = 1, 10-V step 0.8 µs
To 0.01% VS = ±18 V, G = 1, 10-V step 1.1
tOR Overload recovery time VIN × G = VS 320 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, RLOAD = 10 kΩ OPA189 & OPA2189 20 120
OPA4189 20 140
ISC Short-circuit current ±65 mA
CLOAD Capacitive load drive See Small-Signal Overshoot vs Capacitive Load
ZO Open-loop output impedance f = 1 MHz, IO = 0 A, see Open-Loop Output Impedance vs Frequency 380 Ω
POWER SUPPLY
IQ Quiescent current per amplifier VS = ±2.25 V to ±18 V (VS = 4.5 V to 36 V) TA = 25°C 1.3 1.7 mA
TA = –40°C to 125°C 1.8