SLYS018F April   2018  – October 2024 INA181-Q1 , INA2181-Q1 , INA4181-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 High Bandwidth and Slew Rate
      2. 7.3.2 Bidirectional Current Monitoring
      3. 7.3.3 Wide Input Common-Mode Voltage Range
      4. 7.3.4 Precise Low-Side Current Sensing
      5. 7.3.5 Rail-to-Rail Output Swing
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Mode
      2. 7.4.2 Unidirectional Mode
      3. 7.4.3 Bidirectional Mode
      4. 7.4.4 Input Differential Overload
      5. 7.4.5 Shutdown Mode
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Basic Connections
      2. 8.1.2 RSENSE and Device Gain Selection
      3. 8.1.3 Signal Filtering
      4. 8.1.4 Summing Multiple Currents
      5. 8.1.5 Detecting Leakage Currents
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Common-Mode Transients Greater Than 26 V
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DGS|10
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.6 Typical Characteristics

at TA = 25°C, VS = 5 V, VREF = VS / 2, and VIN+ = 12 V (unless otherwise noted)

INA181-Q1 INA2181-Q1 INA4181-Q1 Input Offset Voltage Production Distribution A1
Figure 6-1 Input Offset Voltage Production Distribution A1
INA181-Q1 INA2181-Q1 INA4181-Q1 Input Offset Voltage Production Distribution A3
Figure 6-3 Input Offset Voltage Production Distribution A3
INA181-Q1 INA2181-Q1 INA4181-Q1 Offset Voltage vs Temperature
Figure 6-5 Offset Voltage vs Temperature
INA181-Q1 INA2181-Q1 INA4181-Q1 Common-Mode Rejection Production Distribution A2
Figure 6-7 Common-Mode Rejection Production Distribution A2
INA181-Q1 INA2181-Q1 INA4181-Q1 Common-Mode Rejection Production Distribution A4
Figure 6-9 Common-Mode Rejection Production Distribution A4
INA181-Q1 INA2181-Q1 INA4181-Q1 Gain Error Production Distribution A1
Figure 6-11 Gain Error Production Distribution A1
INA181-Q1 INA2181-Q1 INA4181-Q1 Gain Error Production Distribution A3
Figure 6-13 Gain Error Production Distribution A3
INA181-Q1 INA2181-Q1 INA4181-Q1 Gain Error vs Temperature
Figure 6-15 Gain Error vs Temperature
INA181-Q1 INA2181-Q1 INA4181-Q1 Power-Supply Rejection Ratio vs Frequency
Figure 6-17 Power-Supply Rejection Ratio vs Frequency
INA181-Q1 INA2181-Q1 INA4181-Q1 Output Voltage Swing vs Output Current
Figure 6-19 Output Voltage Swing vs Output Current
INA181-Q1 INA2181-Q1 INA4181-Q1 Input Bias Current vs Common-Mode Voltage (Both Inputs, Shutdown)
Supply voltage = 0 V
Figure 6-21 Input Bias Current vs Common-Mode Voltage (Both Inputs, Shutdown)
INA181-Q1 INA2181-Q1 INA4181-Q1 Quiescent Current vs Temperature (INA181-Q1)
Figure 6-23 Quiescent Current vs Temperature (INA181-Q1)
INA181-Q1 INA2181-Q1 INA4181-Q1 Quiescent Current vs Temperature (INA4181-Q1)
Figure 6-25 Quiescent Current vs Temperature (INA4181-Q1)
INA181-Q1 INA2181-Q1 INA4181-Q1 IQ vs Common-Mode Voltage (INA2181-Q1)
Figure 6-27 IQ vs Common-Mode Voltage (INA2181-Q1)
INA181-Q1 INA2181-Q1 INA4181-Q1 Input-Referred Voltage Noise vs Frequency (A3 Devices)
Figure 6-29 Input-Referred Voltage Noise vs Frequency (A3 Devices)
INA181-Q1 INA2181-Q1 INA4181-Q1 Step Response
80-mVPP input step
Figure 6-31 Step Response
INA181-Q1 INA2181-Q1 INA4181-Q1 Inverting Differential Input Overload
Figure 6-33 Inverting Differential Input Overload
INA181-Q1 INA2181-Q1 INA4181-Q1 Start-Up Response
Figure 6-35 Start-Up Response
INA181-Q1 INA2181-Q1 INA4181-Q1 Output Impedance vs Frequency
Figure 6-37 Output Impedance vs Frequency
INA181-Q1 INA2181-Q1 INA4181-Q1 Input Offset Voltage Production Distribution A2
Figure 6-2 Input Offset Voltage Production Distribution A2
INA181-Q1 INA2181-Q1 INA4181-Q1 Input Offset Voltage Production Distribution A4
Figure 6-4 Input Offset Voltage Production Distribution A4
INA181-Q1 INA2181-Q1 INA4181-Q1 Common-Mode Rejection Production Distribution A1
Figure 6-6 Common-Mode Rejection Production Distribution A1
INA181-Q1 INA2181-Q1 INA4181-Q1 Common-Mode Rejection Production Distribution A3
Figure 6-8 Common-Mode Rejection Production Distribution A3
INA181-Q1 INA2181-Q1 INA4181-Q1 Common-Mode Rejection Ratio vs Temperature
Figure 6-10 Common-Mode Rejection Ratio vs Temperature
INA181-Q1 INA2181-Q1 INA4181-Q1 Gain Error Production Distribution A2
Figure 6-12 Gain Error Production Distribution A2
INA181-Q1 INA2181-Q1 INA4181-Q1 Gain Error Production Distribution A4
Figure 6-14 Gain Error Production Distribution A4
INA181-Q1 INA2181-Q1 INA4181-Q1 Gain vs Frequency
Figure 6-16 Gain vs Frequency
INA181-Q1 INA2181-Q1 INA4181-Q1 Common-Mode Rejection Ratio vs Frequency
Figure 6-18 Common-Mode Rejection Ratio vs Frequency
INA181-Q1 INA2181-Q1 INA4181-Q1 Input Bias Current vs Common-Mode Voltage
Supply voltage = 5 V
Figure 6-20 Input Bias Current vs Common-Mode Voltage
INA181-Q1 INA2181-Q1 INA4181-Q1 Input Bias Current vs Temperature
Figure 6-22 Input Bias Current vs Temperature
INA181-Q1 INA2181-Q1 INA4181-Q1 Quiescent Current vs Temperature (INA2181-Q1)
Figure 6-24 Quiescent Current vs Temperature (INA2181-Q1)
INA181-Q1 INA2181-Q1 INA4181-Q1 IQ vs Common-Mode Voltage (INA181-Q1)
Figure 6-26 IQ vs Common-Mode Voltage (INA181-Q1)
INA181-Q1 INA2181-Q1 INA4181-Q1 IQ vs Common-Mode Voltage (INA4181-Q1)
Figure 6-28 IQ vs Common-Mode Voltage (INA4181-Q1)
INA181-Q1 INA2181-Q1 INA4181-Q1 0.1-Hz to 10-Hz Voltage Noise (Referred-to-Input)
Figure 6-30 0.1-Hz to 10-Hz Voltage Noise (Referred-to-Input)
INA181-Q1 INA2181-Q1 INA4181-Q1 Common-Mode Voltage Transient Response
Figure 6-32 Common-Mode Voltage Transient Response
INA181-Q1 INA2181-Q1 INA4181-Q1 Noninverting Differential Input Overload
Figure 6-34 Noninverting Differential Input Overload
INA181-Q1 INA2181-Q1 INA4181-Q1 Brownout Recovery
Figure 6-36 Brownout Recovery
INA181-Q1 INA2181-Q1 INA4181-Q1 Channel Separation vs Frequency (INA2181-Q1)
Figure 6-38 Channel Separation vs Frequency (INA2181-Q1)