SBOSA86 March   2023 INA310A , INA310B

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  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
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Amplifier Input Common-Mode Signal
      2. 7.3.2  Input-Signal Bandwidth
      3. 7.3.3  Low Input Bias Current
      4. 7.3.4  Low VSENSE Operation
      5. 7.3.5  Wide Fixed Gain Output
      6. 7.3.6  Wide Supply Range
      7. 7.3.7  Integrated Comparator
      8. 7.3.8  RESET Function
      9. 7.3.9  Short Propagation Delay
      10. 7.3.10 Comparator Input Bias Current
    4. 7.4 Device Functional Modes
      1. 7.4.1 Basic Connections
        1. 7.4.1.1 Overcurrent Threshold Connection
      2. 7.4.2 High-Side Switch Overcurrent Shutdown
      3. 7.4.3 Bidirectional Overcurrent Comparator
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 RSENSE and Device Gain Selection
    2. 8.2 Typical Application
      1. 8.2.1 Current Sensing in a Solenoid Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Overload Recovery With Negative VSENSE
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Low-Side Switch Overcurrent Shutdown
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power Supply Decoupling
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  9. Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

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

Typical Characteristics

at TA = 25°C, VS = 5 V, VSENSE = VIN+ – VIN– = 0.5 V / Gain, VCM = VIN– = 48 V, and RPULLUP= 5.1 kΩ (unless otherwise noted).

GUID-BCFBC76C-4CFA-497B-BAD4-2616BBA7915B-low.gifFigure 6-1 INA310A1 Input Offset Production Distribution
GUID-FA1513CC-A4DA-4961-81ED-32635F038BE0-low.gifFigure 6-3 INA310A3 Input Offset Production Distribution
GUID-3EA5E1F3-C861-4189-ADEC-4D0CB3EF9551-low.gifFigure 6-5 INA310A5 Input Offset Production Distribution
GUID-13C8112D-77AC-441F-96F6-72FDD095DE6C-low.gifFigure 6-7 Common-Mode Rejection Ratio vs Temperature
GUID-F7751B22-AF81-4F84-A5E0-7D10076E2911-low.gifFigure 6-9 Gain vs Frequency
GUID-040321DE-8B08-4F96-8B95-AB89045F48A4-low.gifFigure 6-11 Power-Supply Rejection Ratio vs Temperature
GUID-84C5E8D7-6F7E-450B-8D20-E996ED4D43FA-low.gif
VSENSE = 0 V
Figure 6-13 Input Bias Current vs Common-Mode Voltage
GUID-F24E8883-4781-4DFC-9022-D39D9F2E0E59-low.gifFigure 6-15 INA310x1 Input Bias Current vs VSENSE
GUID-98AD7D6C-B1FD-4425-B574-C4D0D511479D-low.gif
Figure 6-17 INA310x4, INA310x5 Input Bias Current vs VSENSE
GUID-B0038431-C446-4E59-9ADC-407A0EC471F2-low.gif
VS = 5 V
Figure 6-19 Output Voltage vs Output Current
GUID-D7AAB405-0429-4AEF-A1FA-0E85C97DAC4C-low.gifFigure 6-21 Output Impedance vs Frequency
GUID-4A6DF698-C1DC-44F4-BD17-696A1101BA71-low.gifFigure 6-23 Swing to GND vs Temperature
GUID-BE99E5A5-9865-4AA5-876B-2E6057983D49-low.gifFigure 6-25 Input Referred Noise

GUID-20221213-SS0I-72DL-BF7Q-FTFRMV8LNNNT-low.svg
Figure 6-27 Quiescent Current vs Temperature

GUID-20221213-SS0I-WJCP-FQ7Q-3NKR66PQPWC8-low.svg
Figure 6-29 Quiescent Current vs Common-Mode Voltage
GUID-B23683F3-4518-4B4D-AA22-D50FD78C7E21-low.gifFigure 6-31 INA310x3 Step Response
GUID-05ECDC37-84CC-4D39-82CF-F388C55DA93F-low.gif
Figure 6-33 Supply Transient Response

GUID-20221213-SS0I-3MMP-WLZV-TQXJRNM1388H-low.svg
Figure 6-35 Comparator Trip Point vs Supply Voltage

GUID-20221213-SS0I-FZTQ-VXD2-W1FQTSZNPX8N-low.svg
Figure 6-37 Comparator Propagation Delay vs Overdrive Voltage

GUID-20221213-SS0I-SCWL-JXGP-3MZS9VTFSGDT-low.svg
Figure 6-39 Comparator Propagation Delay vs Temperature
GUID-32460D0F-36B2-4A3B-9894-FA9CB58B1D77-low.gifFigure 6-2 INA310A2 Input Offset Production Distribution
GUID-261CC887-A200-4BED-854B-A8452018C553-low.gifFigure 6-4 INA310A4 Input Offset Production Distribution
GUID-1472476F-1A91-4145-866F-6F26095ECC65-low.gifFigure 6-6 Input Offset Voltage vs Temperature
GUID-61BD542F-35E1-4AB4-B097-1986FBD51EAF-low.gifFigure 6-8 Common-Mode Rejection Ratio vs Frequency
GUID-2071450B-42C7-4A16-97CB-4BEFFA5888D4-low.gifFigure 6-10 INA310A Gain Error vs Temperature
GUID-848AB509-06B7-4A91-8463-CFFEE1E41AD4-low.gifFigure 6-12 Power-Supply Rejection Ratio vs Frequency
GUID-43D0170F-FE83-4C1F-92B4-CBB89372F900-low.gif
Figure 6-14 Input Bias Current vs Temperature
GUID-AF15EE35-76C7-474F-9DBA-8BD7D5DBE2B4-low.gifFigure 6-16 INA310x2, INA310x3 Input Bias Current vs VSENSE
GUID-58456C84-6884-4635-8D61-886ECDB61BCB-low.gif
VS = 2.7 V
Figure 6-18 Output Voltage vs Output Current
GUID-1DC4A70B-B664-4386-8E29-74348EF99C9D-low.gif
VS = 20 V
Figure 6-20 Output Voltage vs Output Current
GUID-387A33C4-762C-4CF6-8542-8D515DF55F13-low.gifFigure 6-22 Swing to Supply vs Temperature
GUID-8277614C-2CA1-49F3-AE76-97758C797DEB-low.gifFigure 6-24 Input Referred Noise vs Frequency
GUID-C952EF55-D68B-4C65-ADCC-9A9B05497EDF-low.gifFigure 6-26 Short-Circuit Current vs Temperature

GUID-20221213-SS0I-4PX5-1C1J-PCNX58X4TMHD-low.svg
Figure 6-28 Quiescent Current vs Supply Voltage
GUID-64AB537F-1C2B-46EE-8AE9-43D7D28107CC-low.gif
Figure 6-30 Common-Mode Voltage Fast Transient Pulse
GUID-63D24187-1DEB-48C6-A023-1B202A22C132-low.gifFigure 6-32 Start-Up Response

GUID-20221213-SS0I-RXSF-VDTH-TPVRGSL6H044-low.svg
Figure 6-34 Comparator VOL vs ISINK

GUID-20221213-SS0I-XZJC-4X45-W0CD1CLN10MJ-low.svg
Figure 6-36 Comparator Trip Point vs Temperature

GUID-20221213-SS0I-HGX6-HJC2-8PSBMWSLF1MK-low.svg
Figure 6-38 Comparator Reset Voltage vs Supply Voltage

GUID-20221213-SS0I-BQRB-KZJN-VBDZHSQL9TBJ-low.svg
Figure 6-40 Comparator Propagation Delay