SLWS245B May   2014  – February 2017 TRF3722

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  Typical Characteristics
      1. 6.6.1 Modulator Output Spectrum
    7. 6.7  Typical Characteristics - Output Power
    8. 6.8  Typical Characteristics - Gain
    9. 6.9  Typical Characteristics - OIP3
    10. 6.10 Typical Characteristics - OIP2
    11. 6.11 Typical Characteristics - OP1dB
    12. 6.12 Typical Characteristics - Noise
    13. 6.13 Typical Characteristics - Unadjusted CF
    14. 6.14 Typical Characteristics - Unadjusted SBS
    15. 6.15 Typical Characteristics - LO Harmonic
    16. 6.16 Typical Characteristics - BB Harmonic
    17. 6.17 Typical Characteristics - RF Output Return Loss
    18. 6.18 Typical Characteristics - PLL/VCO
    19. 6.19 Typical Characteristics - Current Consumption
    20. 6.20 Typical Characteristics - Power Dissipation
  7. 7 Parameter Measurement Information
    1. 7.1 Serial Interface Timing Diagram
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 RF Output
      2. 8.3.2 Baseband Inputs
      3. 8.3.3 LO Output
      4. 8.3.4 PLL Architecture
      5. 8.3.5 External VCO
      6. 8.3.6 Loop Filter
      7. 8.3.7 Lock Detect
    4. 8.4 Device Functional Modes
      1. 8.4.1 Selecting PLL Divider Values
      2. 8.4.2 Setup Example for Integer Mode
      3. 8.4.3 Integer and Fractional Mode Selection
      4. 8.4.4 Selecting the VCO and VCO Frequency Control
    5. 8.5 Register Maps
      1. 8.5.1 Serial interface Register Definition
        1. 8.5.1.1 BIAS SETTINGS
  9. 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 Procedures: DAC to Modulator Interface Network
      3. 9.2.3 Application Curves: DAC34H84 with TRF3722 Modulator Performance
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    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

5 Pin Configuration and Functions

RGZ Package
48-Pin VQFN
Top View
TRF3722 PinOut.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
BBI_N 29 I BB in-phase input: negative
BBI_P 27 I BB in-phase input: positive
BBQ_N 8 I BB quadrature input: negative
BBQ_P 10 I BB quadrature input: positive
CLK 48 I Serial interface clock input; digital input
CP_OUT 41 O Charge pump output
DATA 47 I Serial interface data input; digital input
EXT_VCO 31 I External local oscillator input
GND 5, 7, 11, 15, 17, 19, 20, 22, 26, 30, 37, 40, 43, 45 Ground
LD 3 O PLL lock detect output
LE 46 I Serial interface latch enable; digital input
LO_OUTN 38 O Local oscillator output: negative
LO_OUTP 39 O Local oscillator output: positive
NC 9, 12, 13, 24, 25, 36 No connect
NC 28 No connect; N/C or ground to paddle
PD 1 I LO Div, TX Div, modulator power down (High = PD)
RDBK 2 O Serial interface internal registers readback output
REFIN 44 I Reference clock input
RFOUT 18 O RF output
VCC_DIG 4 3.3 V digital power supply
VCC_LO1 6 3.3 V TX Div power supply
VCC_LO2 35 3.3 V LO Div power supply
VCC_MOD1 14 3.3 V modulator power supply
VCC_MOD2 16 3.3 V modulator power supply
VCC_MOD3 21 3.3 V modulator power supply
VCC_MOD4 23 3.3 V modulator power supply
VCC_PLL 42 3.3 V PLL power supply
VCC_TK 32 3.3 V or 5 V VCO tank power supply
VCC_VCO 33 3.3 V VCO power supply
VTUNE 34 I VCO control voltage input