SCDS487A October   2025  – December 2025 TMUX4819 , TMUX4821

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Absolute Maximum Ratings
  7. 6 ESD Ratings
  8. 7 Thermal Information
  9. 8 Recommended Operating Conditions
  10. 9 Source or Drain Continuous Current
  11. 10Source or Drain RMS Current
  12. 11Electrical Characteristics 
  13. 12Switching Characteristics 
  14. 13Typical Characteristics
  15. 14Parameter Measurement Information
    1. 14.1  On-Resistance
    2. 14.2  On-Leakage Current
    3. 14.3  Off-Leakage Current
    4. 14.4  Power-Off Leakage Current
    5. 14.5  Propagation Delay
    6. 14.6  tON (VDD) and tOFF (VDD) Time
    7. 14.7  Transition Time
    8. 14.8  Break-Before-Make
    9. 14.9  THD + Noise
    10. 14.10 Power Supply Rejection Ratio (PSRR)
    11. 14.11 Charge Injection
    12. 14.12 Bandwidth
    13. 14.13 Off Isolation
    14. 14.14 Crosstalk
  16. 15Detailed Description
    1. 15.1 Functional Block Diagram
    2. 15.2 Device Functional Modes
    3. 15.3 Feature Description
      1. 15.3.1 Beyond the Supply
      2. 15.3.2 Bidirectional Operation
      3. 15.3.3 Power-Off Protection
      4. 15.3.4 1.2V and 1.8V Logic Compatible Inputs
      5. 15.3.5 Integrated Pull-Down Resistor on Logic Pins
      6. 15.3.6 Fail-Safe Logic
  17. 16Application and Implementation
    1. 16.1 Application Information
    2. 16.2 Typical Applications
      1. 16.2.1 Audio Amplifier Switching
        1. 16.2.1.1 Design Requirements
        2. 16.2.1.2 Detailed Design Procedure
        3. 16.2.1.3 Application Curves
      2. 16.2.2 Smart Drug Delivery Flow Meters
        1. 16.2.2.1 Design Requirements
        2. 16.2.2.2 Detailed Design Procedure
        3. 16.2.2.3 Application Curve
    3. 16.3 Power Supply Recommendations
    4. 16.4 Layout
      1. 16.4.1 Layout Guidelines
      2. 16.4.2 Layout Example
  18. 17Device and Documentation Support
    1. 17.1 Documentation Support
      1. 17.1.1 Related Documentation
    2. 17.2 Receiving Notification of Documentation Updates
    3. 17.3 Support Resources
    4. 17.4 Trademarks
    5. 17.5 Electrostatic Discharge Caution
    6. 17.6 Glossary
  19. 18Revision History
  20. 19Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

13 Typical Characteristics

at TA = 25°C (unless otherwise noted)

TMUX4821 TMUX4819 On-Resistance vs Source or Drain Voltage
TA = 25°C
Figure 13-1 On-Resistance vs Source or Drain Voltage
TMUX4821 TMUX4819 On Leakage Current vs Source or Drain Voltage
VDD = 3.3V
Figure 13-3 On Leakage Current vs Source or Drain Voltage
TMUX4821 TMUX4819 IDOFF Leakage vs Drain Voltage
VDD = 3.3V
Figure 13-5 IDOFF Leakage vs Drain Voltage
TMUX4821 TMUX4819 Supply Current vs Logic Voltage
TA = 25°C, VS = 15V
Figure 13-7 Supply Current vs Logic Voltage
TMUX4821 TMUX4819 VILLogic Threshold vs Supply VoltageFigure 13-9 VILLogic Threshold vs Supply Voltage
TMUX4821 TMUX4819 Transition Time vs Supply Voltage
TA = 25°C
Figure 13-11 Transition Time vs Supply Voltage
TMUX4821 TMUX4819 Charge Injection vs Source Voltage
TA = 25°C
Figure 13-13 Charge Injection vs Source Voltage
TMUX4821 TMUX4819 THD+N vs Frequency
RLOAD = 32Ω, TA = 25°C
Figure 13-15 THD+N vs Frequency
TMUX4821 TMUX4819 THD+N vs Frequency
VDD = 3.3V, RLOAD = 32Ω, TA = 25°C
Figure 13-17 THD+N vs Frequency
TMUX4821 TMUX4819 Insertion Loss vs Frequency
VDD = 3.3V, TA = 25°C
Figure 13-19 Insertion Loss vs Frequency
TMUX4821 TMUX4819 Maximum Sinusoidal Signal Swing
VDD = 5V
Figure 13-21 Maximum Sinusoidal Signal Swing
TMUX4821 TMUX4819 On-Resistance vs Source or Drain Voltage Across Temperature
VDD = 3.3V
Figure 13-2 On-Resistance vs Source or Drain Voltage Across Temperature
TMUX4821 TMUX4819 ISOFF Leakage vs Source Voltage
VDD = 3.3V
Figure 13-4 ISOFF Leakage vs Source Voltage
TMUX4821 TMUX4819 Supply Current vs Supply Voltage
TA = 25°C
Figure 13-6 Supply Current vs Supply Voltage
TMUX4821 TMUX4819 VIHLogic Threshold vs Supply VoltageFigure 13-8 VIHLogic Threshold vs Supply Voltage
TMUX4821 TMUX4819 Transition Time vs Temperature
VDD = 3.3V
Figure 13-10 Transition Time vs Temperature
TMUX4821 TMUX4819 tBBM vs Supply Voltage
TS = 3.3V
Figure 13-12 tBBM vs Supply Voltage
TMUX4821 TMUX4819 THD+N vs Frequency
RLOAD = 600Ω, TA = 25°C
Figure 13-14 THD+N vs Frequency
TMUX4821 TMUX4819 THD+N vs Frequency
VDD = 3.3V, RLOAD = 600Ω, TA = 25°C
Figure 13-16 THD+N vs Frequency
TMUX4821 TMUX4819 THD+N vs Peak-to-Peak Voltage
VDD = 3.3V, TA = 25°C
Figure 13-18 THD+N vs Peak-to-Peak Voltage
TMUX4821 TMUX4819 ACPSRR vs Frequency
VDD = 3.3V, TA = 25°C
Figure 13-20 ACPSRR vs Frequency