SNOSB45F February   2010  – January 2016 LMV7231

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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 3.3-V Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Input and Output Voltage Range Above V+
    4. 7.4 Device Functional Modes
      1. 7.4.1 +IN1 through +IN6 Input Pins
      2. 7.4.2 -IN1 through -IN6 Input Pins
      3. 7.4.3 CO1 through C06 Output Pins
      4. 7.4.4 COPOL Input Pin
      5. 7.4.5 AO Output Pin
      6. 7.4.6 AOSEL Input Pin
      7. 7.4.7 Three-Resistor Voltage Divider Selection
  8. 8 Application and Implementation
    1. 8.1 Application Information
    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. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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9 Power Supply Recommendations

Bypass the supply pin, V+, with a 0.1-μF ceramic capacitor placed close to the V+ pin. If transients with rise or fall times of hundreds of μs and magnitudes of hundreds of mV are expected on the power supply line, an RC lowpass filter network as shown in Figure 40 is recommended for additional bypassing. If no such bypass network is used power supply transients can cause the internal voltage reference of the comparator to temporarily shift potentially resulting in a brief incorrect comparator output. For example, if an RC network with 100-Ω resistance and 10-μF capacitance (1.1-ms rise time) is used the voltage reference temporarily shifts the amount, VTH power supply sensitivity (VTHPSS), specified in the 3.3-V Electrical Characteristics table.

LMV7231 30114959.gif Figure 40. Power Supply Bypassing