SLWS181K October   2005  – December 2015 TRF3761-A , TRF3761-B , TRF3761-C , TRF3761-E , TRF3761-F , TRF3761-G , TRF3761-H , TRF3761-J

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  Recommended Operating Conditions
    3. 7.3  Thermal Information
    4. 7.4  Electrical Characteristics
    5. 7.5  Electrical Characteristics, TRF3761-A
    6. 7.6  Electrical Characteristics,TRF3761-B
    7. 7.7  Electrical Characteristics, TRF3761-C
    8. 7.8  Electrical Characteristics, TRF3761-D
    9. 7.9  Electrical Characteristics, TRF3761-E
    10. 7.10 Electrical Characteristics, TRF3761-F
    11. 7.11 Electrical Characteristics, TRF3761-G
    12. 7.12 Electrical Characteristics, TRF3761-H
    13. 7.13 Electrical Characteristics, TRF3761-J
    14. 7.14 Timing Requirements
    15. 7.15 Typical Characteristics
      1. 7.15.1 Typical Characteristics, TRF3761-A (See )
      2. 7.15.2 Typical Characteristics, TRF3761-B (See )
      3. 7.15.3 Typical Characteristics, TRF3761-C (See )
      4. 7.15.4 Typical Characteristics, TRF3761-D (See )
      5. 7.15.5 Typical Characteristics, TRF3761-E (See )
      6. 7.15.6 Typical Characteristics, TRF3761-F (See )
      7. 7.15.7 Typical Characteristics, TRF3761-G (See )
      8. 7.15.8 Typical Characteristics, TRF3761-H (See )
      9. 7.15.9 Typical Characteristics, TRF3761-J (See )
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  VCO
      2. 8.3.2  Divide by 2, by 4, and Output Buffer
      3. 8.3.3  N-Divider
        1. 8.3.3.1 Prescaler Stage
        2. 8.3.3.2 A and B Counter Stage
        3. 8.3.3.3 Reference Divider
      4. 8.3.4  Phase Frequency Detector (PFD) and Charge Pump Stage
      5. 8.3.5  Mux Out
      6. 8.3.6  Div 1/2/4
      7. 8.3.7  Serial interface
      8. 8.3.8  CHIP ENABLE
      9. 8.3.9  Buffer Power Down
      10. 8.3.10 External VCO IN
    4. 8.4 Device Functional Modes
      1. 8.4.1 Programmable Divider Mode
    5. 8.5 Programming
      1. 8.5.1 Serial Interface Programming Registers Definition
    6. 8.6 Register Maps
      1. 8.6.1 Register 1
      2. 8.6.2 Register 2
      3. 8.6.3 Register 3
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Loop Filter Design
    2. 9.2 Typical Applications
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Loop Filter Design Example
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Initial Calibration and Frequency Setup at Power Up
          1. 9.2.2.1.1 Register 1
          2. 9.2.2.1.2 Register 2
          3. 9.2.2.1.3 Register 3
        2. 9.2.2.2 Re-Calibration After Power Up
        3. 9.2.2.3 Synthesizing a Selected Frequency
      3. 9.2.3 Application Curve
      4. 9.2.4 Application Example for a High Performance RF Transmit Signal Chain
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

10 Power Supply Recommendations

TRF3761 should be supplied with a low noise 4.5-V to 5.25-V supply as required. Each supply pin should generally be isolated from the main power bus with a ferrite or other noise filtering component.