SCDS225B March   2007  – January 2015 TS3A44159


  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  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 for 1.8-V Supply
    6. 6.6  Electrical Characteristics for 2.1-V Supply
    7. 6.7  Electrical Characteristics for 2.5-V Supply
    8. 6.8  Electrical Characteristics for 3.3-V Supply
    9. 6.9  Electrical Characteristics for 4.3-V Supply
    10. 6.10 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  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
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Trademarks
    2. 12.2 Electrostatic Discharge Caution
    3. 12.3 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • PW|16
  • RGT|16
  • RSV|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

9 Application and Implementation


Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality.

9.1 Application Information

The switches are bidirectional, so the NO, NC, and COM pins can be used as either inputs or outputs.

9.2 Typical Application

typicalapplicationts12a44513.gifFigure 28. Typical Application Diagram

9.2.1 Design Requirements

Ensure that all of the signals passing through the switch are with in the specified ranges to ensure proper performance.

Table 2. Design Parameters

Analog Voltage 4.3 V
Digital Input Voltage 4.3 V

9.2.2 Detailed Design Procedure

The TS3A44159 can be properly operated without any external components. However, TI recommends to connect unused pins to the ground through a 50-Ω resistor to prevent signal reflections back into the device. TI also recommends that the digital control pins (INX) be pulled up to VCC or down to GND to avoid undesired switch positions that could result from the floating pin.

9.2.3 Application Curve

ron_vcom_cds225.gifFigure 29. Ron vs VCOM (All Voltages)