SBVS404A April   2020  – June 2020 TLV4062 , TLV4082

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Block Diagram for TLV4062
      2.      Block Diagram for TLV4082
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Inputs (IN1, IN2)
      2. 7.4.2 Outputs (OUT1, OUT2)
      3. 7.4.3 Switching Threshold and Hysteresis
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Threshold Overdrive
    2. 8.2 Typical Applications
      1. 8.2.1 Monitoring Two Separate Rails
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Early Warning Detection
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
      3. 8.2.3 Additional Application Information
        1. 8.2.3.1 Pull-Up Resistor Selection
        2. 8.2.3.2 INx Capacitor
  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 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Related Links
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary

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7.1 Overview

The TLV4062 and TLV4082 are small, low quiescent current (IDD), dual-channel comparators. These devices have high-accuracy, rising and falling input thresholds, and assert the output as shown in Table 1. The output (OUTx) transitions high when the input (INx) is rising and greater than VIT+; the output (OUTx) will remain high until the input is falling and drops below VIT- . The TLV4062 and TLV4082 can be used in systems where multiple voltage rails are required to be monitored, or where one channel can be used as an early warning signal and the other channel can be used as the system reset signal.

Table 1. TLV4062 and TLV4082 Truth Table

DEVICE (VIT+, VIT-) OUTPUT TOPOLOGY INPUT VOLTAGE OUTPUT LOGIC LEVEL
TLV4062 1.194V, 1.134V Push-Pull IN1 < VIT– IN1 falling OUT1 = low
IN2 < VIT– IN2 falling OUT2 = low
IN1 > VIT+ IN1 rising OUT1 = high
IN2 > VIT+ IN2 rising OUT2 = high
TLV4082 Open-Drain IN1 < VIT– IN1 falling OUT1 = low
IN2 < VIT– IN2 falling OUT2 = low
IN1 > VIT+ IN1 rising OUT1 = high
IN2 > VIT+ IN2 rising OUT2 = high