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TRF3722
SLWS245B –MAY 2014–REVISED FEBRUARY 2017
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Product Folder Links: TRF3722
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Table of Contents
1 Features.................................................................. 1
2 Applications ........................................................... 1
3 Description............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information.................................................. 5
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics.............................................. 9
6.7 Typical Characteristics - Output Power................... 10
6.8 Typical Characteristics - Gain................................. 11
6.9 Typical Characteristics - OIP3 ................................ 12
6.10 Typical Characteristics - OIP2 .............................. 13
6.11 Typical Characteristics - OP1dB........................... 14
6.12 Typical Characteristics - Noise ............................. 15
6.13 Typical Characteristics - Unadjusted CF............... 16
6.14 Typical Characteristics - Unadjusted SBS............ 17
6.15 Typical Characteristics - LO Harmonic ................. 18
6.16 Typical Characteristics - BB Harmonic ................. 20
6.17 Typical Characteristics - RF Output Return Loss . 22
6.18 Typical Characteristics - PLL/VCO ....................... 23
6.19 Typical Characteristics - Current Consumption .... 29
6.20 Typical Characteristics - Power Dissipation.......... 31
7 Parameter Measurement Information ................ 33
7.1 Serial Interface Timing Diagram ............................. 33
8 Detailed Description............................................ 35
8.1 Overview................................................................. 35
8.2 Functional Block Diagram....................................... 35
8.3 Feature Description................................................. 36
8.4 Device Functional Modes........................................ 39
8.5 Register Maps ........................................................ 42
9 Application and Implementation ........................ 55
9.1 Application Information............................................ 55
9.2 Typical Application.................................................. 55
10 Power Supply Recommendations ..................... 58
11 Layout................................................................... 59
11.1 Layout Guidelines ................................................. 59
11.2 Layout Example .................................................... 59
12 Device and Documentation Support................. 60
12.1 Receiving Notification of Documentation Updates 60
12.2 Community Resources.......................................... 60
12.3 Trademarks........................................................... 60
12.4 Electrostatic Discharge Caution............................ 60
12.5 Glossary................................................................ 60
13 Mechanical, Packaging, and Orderable
Information........................................................... 60
4 Revision History
Changes from Revision A (June 2014) to Revision B Page
• Changed 256 MHz to 280 MHz in PLL and VCO Features bullet.......................................................................................... 1
• Changed ESD Ratings table title, updated to current standards ........................................................................................... 4
• Added Typical and footnote 2 to Typical VCO frequency range and Typical output frequency range parameters............... 8
• Changed Figure 1 .................................................................................................................................................................. 9
• Changed location of TRF3722 Application Schematic figure and all associated text to be under Typical Application
section .................................................................................................................................................................................. 55
Changes from Original (May 2014) to Revision A Page
• Changed from 1-page Product Preview to Production........................................................................................................... 1