SBOS642C March   2013  – January 2020 OPA188

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Auto-Zero Technology Provides Ultra-Low Temperature Drift
  4. 4 Revision History
  5. 5 Device Comparison Table
    1. 5.1 Portfolio Comparison
  6. 6 Pin Configuration and Functions
    1.     Pin 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
    5. 7.5 Electrical Characteristics: High-Voltage Operation
    6. 7.6 Electrical Characteristics: Low-Voltage Operation
    7. 7.7 Typical Characteristics: Table of Graphs
      1. 7.7.1 Table of Graphs
    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 Internal Offset Correction
      5. 8.3.5 EMI Rejection
      6. 8.3.6 Capacitive Load and Stability
      7. 8.3.7 Electrical Overstress
    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 High-Side Voltage-to-Current (V-I) Converter
        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 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
  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 (Free Download Software)
    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

7.6 Electrical Characteristics: Low-Voltage Operation

at TA = 25°C, VS = ±2 V to < ±4 V (VS = 4 V to < 8 V), RL = 10 kΩ connected to VS / 2(2), and VCM = VOUT = VS / 2(2) (unless otherwise noted)
PARAMETER CONDITIONS MIN TYP MAX UNIT
OFFSET VOLTAGE
VOS Input offset voltage ±6 ±25 μV
TA = –40°C to +125°C ±0.03 ±0.085 μV/°C
PSRR Power-supply rejection ratio VS = 4 V to 36 V,
TA = –40°C to +125°C		 0.075 0.3 μV/V
Long-term stability(1) 4 μV
INPUT BIAS CURRENT
IB Input bias current ±160 ±1400 pA
TA = –40°C to +125°C ±18 nA
IOS Input offset current ±320 ±2800 pA
TA = –40°C to +125°C ±6 nA
NOISE
en Input voltage noise f = 0.1 Hz to 10 Hz 250 nVPP
f = 0.1 Hz to 10 Hz 40 nVrms
Input voltage noise density f = 1 kHz 8.8 nV/√Hz
in Input current noise density f = 1 kHz 7 fA/√Hz
INPUT VOLTAGE RANGE
VCM Common-mode voltage range TA = –40°C to +125°C V– (V+) – 1.5 V
CMRR Common-mode rejection ratio (V–) < VCM < (V+) – 1.5 V 106 114 dB
(V–) + 0.5 V < VCM < (V+) – 1.5 V,
VS = ±2 V		 114 120 dB
(V–) + 0.5 V < VCM < (V+) – 1.5 V,
VS = ±2 V, TA = –40°C to +125°C		 110 120 dB
INPUT IMPEDANCE
ZID Differential 100 || 6 MΩ || pF
ZIC Common-mode 6 || 9.5 1012 Ω || pF
OPEN-LOOP GAIN
AOL Open-loop voltage gain (V–) + 0.5 V < VO < (V+) – 0.5 V,
RL = 5 kΩ		 110 120 dB
(V–) + 0.5 V < VO < (V+) – 0.5 V 120 130 dB
(V–) + 0.5 V < VO < (V+) – 0.5 V,
TA = –40°C to +125°C		 110 120 dB
FREQUENCY RESPONSE
GBW Gain-bandwidth product 2 MHz
SR Slew rate G = +1 0.8 V/μs
tOR Overload recovery time VIN × G = VS 1 μs
THD+N Total harmonic distortion + noise 1 kHz, G = 1, VOUT = 1 Vrms 0.0001%
OUTPUT
Voltage output swing from rail No load 6 15 mV
RL = 10 kΩ 220 250 mV
TA = –40°C to +125°C 310 350 mV
ISC Short-circuit current Sinking –18 mA
Sourcing 16 mA
RO Open-loop output resistance f = 1 MHz, IO = 0 120 Ω
CLOAD Capacitive load drive 1 nF
POWER SUPPLY
IQ Quiescent current (per amplifier) VS = ±2 V to VS = ±4 V 425 485 μA
IO = 0 mA, TA = –40°C to +125°C 575 μA
(1) 1000-hour life test at 125°C demonstrated randomly distributed variation in the range of measurement limits—approximately 4 μV.
(2) VS / 2 = midsupply.