SCDS457B May   2023  – July 2024 TMUX4827

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Thermal Information
    4. 5.4 Recommended Operating Conditions
    5. 5.5 Source or Drain Continuous Current
    6. 5.6 Source or Drain RMS Current
    7. 5.7 Electrical Characteristics 
    8. 5.8 Switching Characteristics 
    9. 5.9 Typical Characteristics
  7. 6 Parameter Measurement Information
    1. 6.1  On-Resistance
    2. 6.2  On-Leakage Current
    3. 6.3  Off-Leakage Current
    4. 6.4  Power-Off Leakage Current
    5. 6.5  Propagation Delay
    6. 6.6  tON (VDD) and tOFF (VDD) Time
    7. 6.7  Transition Time
    8. 6.8  Break-Before-Make
    9. 6.9  THD + Noise
    10. 6.10 Power Supply Rejection Ratio (PSRR)
    11. 6.11 Charge Injection
    12. 6.12 Bandwidth
    13. 6.13 Off Isolation
    14. 6.14 Crosstalk
  8. 7 Detailed Description
    1. 7.1 Functional Block Diagram
    2. 7.2 Device Functional Modes
    3. 7.3 Feature Description
      1. 7.3.1 Beyond the Supply
      2. 7.3.2 Bidirectional Operation
      3. 7.3.3 Over Temperature Protection
      4. 7.3.4 Power-Off Protection
      5. 7.3.5 1.8V Logic Compatible Inputs
      6. 7.3.6 Fail-Safe Logic
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Audio Amplifier Switching
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Packaging Option Addendum
    2. 11.2 Tape and Reel Information
    3. 11.3 Mechanical Data

6.13 Off Isolation

Off isolation is defined as the ratio of the signal at the drain pin (D) of the device when a signal is applied to the source pin (Sx) of an off-channel. Figure 6-13 shows the setup used to measure, and the equation used to calculate off isolation.

TMUX4827 Off Isolation Measurement Setup Figure 6-13 Off Isolation Measurement Setup
Equation 1. O f f   I s o l a t i o n   =   20   ×   L o g   V O U T V S