SCBS881F january   2010  – june 2023 TMS3705

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Functional Block Diagram
  6. 5 Revision History
  7. 6 Device Characteristics
    1. 6.1 Related Products
  8. 7 Terminal Configuration and Functions
    1. 7.1 Pin Diagram
    2. 7.2 Signal Descriptions
  9. 8 Specifications
    1. 8.1 Absolute Maximum Ratings #GUID-D01738F0-6DD5-4A5A-BE33-2BC076228CBE/AMR001
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Electrical Characteristics
    5. 8.5 Thermal Resistance Characteristics for D (SOIC) Package
    6. 8.6 Switching Characteristics
    7. 8.7 Timing Diagrams
  10. 9 Detailed Description
    1. 9.1  Power Supply
    2. 9.2  Oscillator
    3. 9.3  Predrivers
    4. 9.4  Full Bridge
    5. 9.5  RF Amplifier
    6. 9.6  Band-Pass Filter and Limiter
    7. 9.7  Diagnosis
    8. 9.8  Power-on Reset
    9. 9.9  Frequency Divider
    10. 9.10 Digital Demodulator
    11. 9.11 Transponder Resonance-Frequency Measurement
    12. 9.12 SCI Encoder
    13. 9.13 Control Logic
    14. 9.14 Test Pins
  11. 10Applications, Implementation, and Layout
    1. 10.1 Application Diagram
  12. 11Device and Documentation Support
    1. 11.1 Getting Started and Next Steps
    2. 11.2 Device Nomenclature
    3. 11.3 Tools and Software
    4. 11.4 Documentation Support
    5. 11.5 Support Resources
    6. 11.6 Trademarks
    7. 11.7 Electrostatic Discharge Caution
    8. 11.8 Glossary
  13. 12Mechanical, Packaging, and Orderable Information

Package Options

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

7.2 Signal Descriptions

Table 7-1 describes the device signals.

Table 7-1 Signal Descriptions
TERMINAL TYPE DESCRIPTION
NO. NAME
1 SENSE Analog input Input of the RF amplifier
2 SFB Analog output Output of the RF amplifier
3 D_TST Digital output Test output for digital signals
4 A_TST Analog output Test output for analog signals
5 ANT1 Driver output Antenna output 1
6 VSSA Supply input Ground for the full bridge drivers
7 ANT2 Driver output Antenna output 2
8 VDDA Supply input Voltage supply for the full bridge drivers
9 VDD Supply input Voltage supply for nonpower blocks
10 OSC2 Analog output Oscillator output
11 OSC1 Analog input Oscillator input
12 VSS/VSSB Supply input Ground for nonpower blocks and PLL
13 NC Not connected
14 SCIO Digital output Data output to the microcontroller
15 F_SEL Digital input Control input for frequency selection (default value is high)
16 TXCT Digital input Control input from the microcontroller (default value is high)