SGLS127B July   2002  – June 2025 TLC3702-EP

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Description
  4.   Pin Configuration and Functions
  5. 3Specifications
    1. 3.1 Absolute Maximum Ratings
    2. 3.2 Recommended Operating Conditions
    3. 3.3 Electrical Characteristics
    4. 3.4 Switching Characteristics
    5. 3.5 Typical Characteristics
  6. 4Detailed Description
    1. 4.1 Overview
    2. 4.2 Functional Block Diagrams
    3. 4.3 Feature Description
    4. 4.4 Device Functional Modes
      1. 4.4.1 Input
      2. 4.4.2 ESD Protection
      3. 4.4.3 Unused Inputs
      4. 4.4.4 Push-Pull Output
      5. 4.4.5 Hysteresis
        1. 4.4.5.1 Inverting Comparator With Hysteresis
        2. 4.4.5.2 Non-Inverting Comparator With Hysteresis
  7. 5Application and Implementation
    1. 5.1 Application Information
      1. 5.1.1 Basic Comparator Definitions
        1. 5.1.1.1 Operation
        2. 5.1.1.2 Propagation Delay
        3. 5.1.1.3 Overdrive and Underdrive Voltage
    2. 5.2 Typical Applications
      1. 5.2.1 Window Comparator
        1. 5.2.1.1 Design Requirements
        2. 5.2.1.2 Detailed Design Procedure
        3. 5.2.1.3 Application Curve
    3. 5.3 Power Supply Recommendations
    4. 5.4 Layout
      1. 5.4.1 Layout Guidelines
      2. 5.4.2 Layout Example
  8. 6Device and Documentation Support
    1. 6.1 Documentation Support
      1. 6.1.1 Related Documentation
    2. 6.2 Receiving Notification of Documentation Updates
    3. 6.3 Support Resources
    4. 6.4 Trademarks
    5. 6.5 Electrostatic Discharge Caution
    6. 6.6 Glossary
  9. 7Revision History
  10. 8Mechanical, Packaging, and Orderable Information

5.3 Power Supply Recommendations

Due to the fast output edge rates, bypass capacitors are critical on the supply pin to prevent supply ringing and false triggers and oscillations. Bypass the supply directly at each device with a low ESR 0.1µF ceramic bypass capacitor directly between V+ pin and ground pins. Narrow, peak currents are drawn during the output transition time, particularly for the push-pull output device. These narrow pulses can cause un-bypassed supply lines and poor grounds to ring, possibly causing variation that can eat into the input voltage range and create an inaccurate comparison or even oscillations.

The device can be powered from both "split" supplies (V+ and V-), or "single" supplies (V+ and GND), with GND applied to the V- pin. Input signals must stay within the specified input range (between V+ and V-) for either type. Note that with a "split" supply the output swings "low" (VOL) to V- potential and not GND.