SLVSMG3 June   2026 TXG4122

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions—TXG4122
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Supply Current Characteristics
    7. 5.7 Switching Characteristics, VCCA = 3.3 ± 0.3V
    8. 5.8 Switching Characteristics, VCCA = 5 ± 0.5V
    9. 5.9 Typical Characteristics
  7. 6 AC Noise Tolerance
  8. 7 Parameter Measurement Information
    1. 7.1 Load Circuit and Voltage Waveforms
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Bidirectional Level Translation
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

6 AC Noise Tolerance

TXGx122 supports I/O voltage translation in environments with noisy grounds. The plot below illustrates the amount of noise that GND1 and GND2 can reject in terms peak-to-peak voltage over frequency without disrupting communication between two systems.

TXG4122 Noise Immunity Figure 6-1 Noise Immunity