SLVSLR3A August   2026  – October 2026 TMUX5508 , TMUX5509

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 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 (±15V Dual Supply)
    6. 6.6  Switching Characteristics (±15V Dual Supply)
    7. 6.7  Electrical Characteristics (±20V Dual Supply)
    8. 6.8  Switching Characteristics (±20V Dual Supply)
    9. 6.9  Electrical Characteristics (12V Single Supply)
    10. 6.10 Switching Characteristics (12V Single Supply)
    11. 6.11 Electrical Characteristics (40V Single Supply)
    12. 6.12 Switching Characteristics (40V Single Supply)
    13. 6.13 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1  On-Resistance
    2. 7.2  Off-Leakage Current
    3. 7.3  On-Leakage Current
    4. 7.4  Transition Time
    5. 7.5  Break-Before-Make Delay
    6. 7.6  Turn-On and Turn-Off Time
    7. 7.7  Charge Injection
    8. 7.8  Off Isolation
    9. 7.9  Channel-to-Channel Crosstalk
    10. 7.10 Bandwidth
    11. 7.11 THD + Noise
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Bidirectional Operation
      2. 8.3.2 Rail-to-Rail Operation
      3. 8.3.3 1.8V Logic Compatible Inputs
      4. 8.3.4 Flat On-Resistance
      5. 8.3.5 Power-Up Sequence Free
    4. 8.4 Device Functional Modes
    5. 8.5 Truth Tables
  10. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application - Gain Switching
      1. 9.2.1 Design Requirements
      2. 9.2.2 Application Curve
    3. 9.3 Layout
      1. 9.3.1 Layout Guidelines
      2. 9.3.2 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

7.8 Off Isolation

Off isolation is defined as the voltage at the drain pin (D, DA, or DB) of the TMUX550x when a 1VRMS signal is applied to the source pin (Sx, SxA, or SxB) of an off-channel. Figure 7-8 shows the setup used to measure off isolation. Use Equation 2 to compute off isolation.

TMUX5508 TMUX5509 Off Isolation Measurement SetupFigure 7-8 Off Isolation Measurement Setup
Equation 2. TMUX5508 TMUX5509