SBOSAK2A May   2025  – September 2025 INA187

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Amplifier Input Common-Mode Signal
      2. 6.3.2 Low Input Bias Current
      3. 6.3.3 Low VSENSE Operation
      4. 6.3.4 Wide Fixed Gain Output
      5. 6.3.5 Wide Supply Range
    4. 6.4 Device Functional Modes
      1. 6.4.1 Adjusting the Output With the Reference Pin
      2. 6.4.2 Reference Pin Connections for Unidirectional Current Measurements
        1. 6.4.2.1 Ground Referenced Output
        2. 6.4.2.2 VS Referenced Output
      3. 6.4.3 Reference Pin Connections for Bidirectional Current Measurements
        1. 6.4.3.1 Output Set to External Reference Voltage
        2. 6.4.3.2 Output Set to Mid-Supply Voltage
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 RSENSE and Device Gain Selection
    2. 7.2 Typical Application
      1. 7.2.1 Low-side Current Sensing in Motor Application
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Performance Plots
    3. 7.3 Power Supply Recommendations
      1. 7.3.1 Power Supply Decoupling
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Examples
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Mechanical Data

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DBV|6
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.6 Typical Characteristics

at TA = 25°C, VS = 5V, VSENSE = VIN+ – VIN– = 0V, VCM = VIN– = 24V, and VREF = VS / 2 (unless otherwise noted)

INA187 INA187 Input Offset Voltage Production DistributionFigure 5-1 INA187 Input Offset Voltage Production Distribution
INA187 Input Offset Voltage vs Common-Mode VoltageFigure 5-3 Input Offset Voltage vs Common-Mode Voltage
INA187 Common-Mode Rejection Ratio vs FrequencyFigure 5-5 Common-Mode Rejection Ratio vs Frequency
INA187 INA187 Gain Error Production DistributionFigure 5-7 INA187 Gain Error Production Distribution
INA187 Power-Supply Rejection Ratio vs TemperatureFigure 5-9 Power-Supply Rejection Ratio vs Temperature
INA187 Input Bias Current vs Common-Mode VoltageFigure 5-11 Input Bias Current vs Common-Mode Voltage
INA187 INA187 Gain = 20V/V, Input Bias Current vs VSENSEFigure 5-13 INA187 Gain = 20V/V, Input Bias Current vs VSENSE
INA187 INA187 Gain = 100V/V Input Bias Current vs VSENSEFigure 5-15 INA187 Gain = 100V/V Input Bias Current vs VSENSE
INA187 Output Voltage vs Output Current
VS = 5V Gain = 20V/V
Figure 5-17 Output Voltage vs Output Current
INA187 Output Impedance vs Frequency
Figure 5-19 Output Impedance vs Frequency
INA187 Swing to GND vs Temperature
RL = 10kΩ to GND
Figure 5-21 Swing to GND vs Temperature
INA187 0.1Hz to 10Hz Voltage NoiseFigure 5-23 0.1Hz to 10Hz Voltage Noise
INA187 Quiescent Current vs Temperature
Gain = 20V/V
Figure 5-25 Quiescent Current vs Temperature
INA187 Quiescent Current vs Common-Mode Voltage
Gain = 20V/V
Figure 5-27 Quiescent Current vs Common-Mode Voltage
INA187 Small Step Response
VCM = 12V Gain = 20V/V
Figure 5-29 Small Step Response
INA187 Start-Up ResponseFigure 5-31 Start-Up Response
INA187 Input Offset Voltage vs TemperatureFigure 5-2 Input Offset Voltage vs Temperature
INA187 Common-Mode Rejection Ratio vs TemperatureFigure 5-4 Common-Mode Rejection Ratio vs Temperature
INA187 Gain vs FrequencyFigure 5-6 Gain vs Frequency
INA187 Gain Error vs TemperatureFigure 5-8 Gain Error vs Temperature
INA187 Power-Supply Rejection Ratio vs FrequencyFigure 5-10 Power-Supply Rejection Ratio vs Frequency
INA187 Input Bias Current vs TemperatureFigure 5-12 Input Bias Current vs Temperature
INA187 INA187 Gain = 50V/V, Input Bias Current vs VSENSEFigure 5-14 INA187 Gain = 50V/V, Input Bias Current vs VSENSE
INA187 Output Voltage vs Output Current
VS = 2.7V Gain = 20V/V
Figure 5-16 Output Voltage vs Output Current
INA187 Output Voltage vs Output Current
VS = 12V Gain = 20V/V
Figure 5-18 Output Voltage vs Output Current
INA187 Swing to Supply vs Temperature
RL = 10kΩ to GND
Figure 5-20 Swing to Supply vs Temperature
INA187 Input Referred Noise vs FrequencyFigure 5-22 Input Referred Noise vs Frequency
INA187 Short-Circuit Current vs Temperature
VCM = 12V Gain = 20V/V
Figure 5-24 Short-Circuit Current vs Temperature
INA187 Quiescent Current vs Supply VoltageFigure 5-26 Quiescent Current vs Supply Voltage
INA187 Common-Mode Voltage Fast Transient PulseFigure 5-28 Common-Mode Voltage Fast Transient Pulse
INA187 Large Step Response
VCM = 12V Gain = 20V/V
Figure 5-30 Large Step Response
INA187 Brownout RecoveryFigure 5-32 Brownout Recovery