SLWS230E September   2011  – December 2015 TRF3765

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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
    6. 6.6 4WI Timing: Write Operation
    7. 6.7 Readback 4WI Timing
    8. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Lock Detect
      2. 7.3.2 LO Divider
      3. 7.3.3 Selecting the VCO and VCO Frequency Control
      4. 7.3.4 External VCO
    4. 7.4 Device Functional Modes
      1. 7.4.1 VCO_TEST_MODE
      2. 7.4.2 Readback Mode
      3. 7.4.3 Integer and Fractional Mode Selection
      4. 7.4.4 PLL Architecture
        1. 7.4.4.1 Selecting PLL Divider Values
        2. 7.4.4.2 Setup Example for Integer Mode
        3. 7.4.4.3 Setup Example for Fractional Mode
      5. 7.4.5 Fractional Mode Setup
    5. 7.5 Register Maps
      1. 7.5.1 PLL 4WI Registers
        1. 7.5.1.1 Register 1
          1. 7.5.1.1.1 CAL_CLK_SEL[3..0]
          2. 7.5.1.1.2 ICP[4..0]
        2. 7.5.1.2 Register 2
          1. 7.5.1.2.1 PLL_DIV <1.0>
          2. 7.5.1.2.2 VCOSEL_MODE
        3. 7.5.1.3 Register 3
        4. 7.5.1.4 Register 4
        5. 7.5.1.5 Register 5
        6. 7.5.1.6 Register 6
      2. 7.5.2 Readback from the Internal Register Banks
        1. 7.5.2.1 Register 0 Write
          1. 7.5.2.1.1 Register 0 Read
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedures
        1. 8.2.2.1 Power Supply
        2. 8.2.2.2 Loop Filter
        3. 8.2.2.3 Reference Clock
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Trademarks
    2. 11.2 Electrostatic Discharge Caution
    3. 11.3 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

5 Pin Configuration and Functions

RHB Package
32-Pin VQFN
Top View
TRF3765 po_rhb_lws230.gif

Pin Functions

PIN I/O DESCRIPTION
NO. NAME
4 CLOCK I Serial programming interface, clock input
26 CP_OUT O Charge pump output
25 CP_REF — Charge pump reference ground
3 DATA I Serial programming interface, data input
19 EXTVCO_CTRL O Digital control to enable/disable external VCO
18 EXTVCO_IN I External VCO input
29 GND — Ground
31 GND — Ground
8 GND_BUFF1 — Output buffer ground
17 GND_BUFF2 — Output buffer ground
1 GND_DIG — Digital ground
22 GND_OSC — VCO core ground
32 LD O Lock detector output
10 LO1_OUTM O LO1 output: negative pin
9 LO1_OUTP O LO1 output: positive pin
11 LO2_OUTM O LO2 output: negative pin
12 LO2_OUTP O LO2 output: positive pin
14 LO3_OUTM O LO3 output: negative pin
13 LO3_OUTP O LO3 output: positive pin
15 LO4_OUTM O LO4 output: negative pin
16 LO4_OUTP O LO4 output: positive pin
6 READBACK O Serial programming interface, readback
30 REF_IN I Reference signal input
5 STROBE I Serial programming interface, latch enable
27 VCC_CP — Charge pump power supply
2 VCC_DIG — Digital power supply
7 VCC_DIV — Divider power supply
21 VCC_OSC — VCO core power supply
28 VCC_PLL — PLL power supply
20 VCC_TK — VCO LC tank power supply
23 VTUNE_IN — VCO control voltage
24 VTUNE_REF — VTUNE reference ground
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