SBOS977A March   2019  – May 2021 INA302-Q1 , INA303-Q1

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 Bidirectional Current Sensing
      2. 7.3.2 Out-of-Range Detection
      3. 7.3.3 Alert Outputs
        1. 7.3.3.1 Setting Alert Thresholds
          1. 7.3.3.1.1 Resistor-Controlled Current Limit
            1. 7.3.3.1.1.1 Resistor-Controlled Current Limit: Example
          2. 7.3.3.1.2 Voltage-Source-Controlled Current Limit
        2. 7.3.3.2 Hysteresis
    4. 7.4 Device Functional Modes
      1. 7.4.1 Alert Operating Modes
        1. 7.4.1.1 Transparent Output Mode
        2. 7.4.1.2 Latch Output Mode
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Selecting a Current-Sensing Resistor (RSENSE)
        1. 8.1.1.1 Selecting a Current-Sensing Resistor: Example
      2. 8.1.2 Input Filtering
      3. 8.1.3 Using the INA30x-Q1 With Common-Mode Transients Greater Than 36 V
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Related Links
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

Typical Characteristics

at TA = 25°C, VREF = VS / 2, VSENSE = 0 V, VS = 5 V, VIN+ = 12 V, and ALERT1, ALERT2 pullup resistors = 10 kΩ (unless otherwise noted)

GUID-4E8AD205-138A-42FC-8783-8515DA42C8B0-low.gifFigure 6-1 Input Offset Voltage Distribution (INA30xA1-Q1)
GUID-CD0EE26D-96DE-4472-BB9B-096FF5EA3170-low.gifFigure 6-3 Input Offset Voltage Distribution (INA30xA3-Q1)
GUID-C5F04C23-7895-4DDB-B282-0AF18EB7754F-low.gifFigure 6-5 CMRR Distribution (INA30xA1-Q1)
GUID-DE74965B-19AE-4188-8704-D30152601F9F-low.gifFigure 6-7 CMRR Distribution (INA30xA3-Q1)
GUID-ABB0CA1C-6051-41F2-BFCC-CEB0190BDFC7-low.gifFigure 6-9 CMRR vs. Frequency
GUID-9CA4B8D8-66BD-4652-A960-21512F365744-low.gifFigure 6-11 Gain Error Distribution (INA30xA2-Q1)
GUID-1E2AC520-2E72-4346-B6A1-FB08F8F089BE-low.gifFigure 6-13 Gain Error vs. Temperature
GUID-3E63EFC4-F487-49C6-A8DE-15499FBB0D5D-low.gifFigure 6-15 PSRR vs. Frequency
GUID-1E53D571-D43E-442F-963E-0B7312C2566D-low.gif
VS = 5 V
Figure 6-17 Input Bias Current vs. Common-Mode Voltage
GUID-2B37B3CC-FC44-4338-A345-656E0F806563-low.gifFigure 6-19 Input Bias Current vs. Temperature
GUID-E878AA19-99A7-4060-9482-7C6E193E595E-low.gifFigure 6-21 Quiescent Current vs. Temperature
GUID-C7B80F6C-004E-4BE2-A03D-2A6BACE53E17-low.gif

Figure 6-23 0.1-Hz to 10-Hz Voltage Noise (Referred to Input)
GUID-F61D16D2-00AE-49D9-BEE7-BAABA9EBA630-low.gif
4-VPP output step
Figure 6-25 Voltage Output Falling Step Response
GUID-7D836333-DE15-4DDD-BAC8-6AD3EB802BE7-low.gif
Figure 6-27 Start-Up Response
GUID-CCBC19EB-77A5-4CA8-AEE0-E88C09897AD8-low.gifFigure 6-29 LIMIT2 Current Source vs. Temperature
GUID-352C8C70-0255-431B-832D-BF36FE66B30E-low.gif
Figure 6-31 Comparator 1 Total Propagation Delay (INA30x-Q1)
GUID-0C90065C-C0D0-4E28-B077-A6E45E6AD8A5-low.gif
DELAY = 100 kΩ to VS
Figure 6-33 Comparator 2 Total Propagation Delay (INA303-Q1)
GUID-EBC70D18-6406-41FB-95CD-8117FE1473EC-low.gif
DELAY = 100 kΩ to VS
Figure 6-35 Comparator 2 Total Propagation Delay (INA302-Q1)
GUID-A0D4C336-1DAE-4E2A-B1DD-47D19D938617-low.gif
VOD = 1 mV
Figure 6-37 Comparator 2 Propagation Delay vs. Temperature
GUID-794AF4AB-DD49-4DF5-9944-DCB81D6B96F8-low.gifFigure 6-39 Comparator 1 Hysteresis vs. Temperature
GUID-5854B978-3DCE-424A-85C4-7F7DDA7524E7-low.gif
Figure 6-41 Comparator Latch Response
GUID-912A4B62-9EAF-4C61-A6EE-4D9ED5FA47B8-low.gifFigure 6-2 Input Offset Voltage Distribution (INA30xA2-Q1)
GUID-1F0A6828-2077-4CDC-B7D9-5CCFC116A749-low.gifFigure 6-4 Input Offset Voltage vs. Temperature
GUID-773B1C34-B80E-4227-842F-D89704F40375-low.gifFigure 6-6 CMRR Distribution (INA30xA2-Q1)
GUID-484846D6-FFD6-46C0-B8B7-482125CA89F4-low.gifFigure 6-8 CMRR vs. Temperature
GUID-F46877EC-B192-4068-B6B6-8C8966FE6DA0-low.gifFigure 6-10 Gain Error Distribution (INA30xA1-Q1)
GUID-3330A238-7885-4A6D-B28C-2B780A794121-low.gifFigure 6-12 Gain Error Distribution (INA30xA3-Q1)
GUID-40AB909F-F4C7-438F-8F61-83AF0B2B9AC4-low.gifFigure 6-14 Gain vs. Frequency
GUID-55A1B386-DFC4-4328-8DB4-E4C1FE5B8A73-low.gifFigure 6-16 Output Voltage Swing vs. Output Current
GUID-04027148-4F8E-4AEA-82AD-83EA0A46BA31-low.gif
VS = 0 V
Figure 6-18 Input Bias Current vs. Common-Mode Voltage
GUID-B6D17BB0-A5C0-40BF-B3D5-E2C2F522C747-low.gifFigure 6-20 Quiescent Current vs. Supply Voltage
GUID-DA9F4F5F-F70B-4FF6-8A89-455E7DA7EA33-low.gifFigure 6-22 Input-Referred Voltage Noise vs. Frequency
GUID-2CD75E26-59BE-4606-8074-B465FF3726E0-low.gif
4-VPP output step
Figure 6-24 Voltage Output Rising Step Response
GUID-1202B418-FD39-4836-A8EE-C8F206E1018C-low.gif
Figure 6-26 Common-Mode Voltage Transient Response
GUID-66ADD4B2-396C-4673-8A57-EFB7EE138BBF-low.gifFigure 6-28 LIMIT1 Current Source vs. Temperature
GUID-DB080447-1B47-4134-BCF3-6BDBC78A299F-low.gifFigure 6-30 DELAY Current vs. Temperature
GUID-E1802EBF-6BB3-4633-9594-4AD8A9DA1ABF-low.gif
DELAY = open
Figure 6-32 Comparator 2 Total Propagation Delay (INA303-Q1)
GUID-B9982366-15FD-43D0-B773-D2CA5D679BFD-low.gif
DELAY = open
Figure 6-34 Comparator 2 Total Propagation Delay (INA302-Q1)
GUID-31229625-B64D-47ED-A540-B81EB1A03CCE-low.gif
VOD = 1 mV
Figure 6-36 Comparator 1 Propagation Delay vs. Temperature
GUID-D2E18E7D-7EC4-4D56-AA05-780D472C5695-low.gif
Figure 6-38 Comparator Alert VOL vs. IOL
GUID-08A74733-4C00-4BB4-AC9C-2AA4780BAF9E-low.gifFigure 6-40 Comparator 2 Hysteresis vs. Temperature
GUID-EE2C8D89-0F72-4784-BF04-D92EFEC305A4-low.gifFigure 6-42 Output Impedance vs. Frequency