W55RFS27T1B Datasheet, PDF (2/15 Pages) Winbond – SUPER-REGENERATION RF TRANSMITTER

W55RFS27T1B DataSheet
Contents
General Description
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1.1 Features ...................................................................................................................................... 3
1.2 W55RFS27T1B Pad Definition ................................................................................................. 4
1.2.1 Pad Description ................................................................................................. 4
1.2.2 Clock Frequency Select (CKSEL) Setup ............................................................ 4
1.2.3 uC-Mode & Manual Mode (Baseband Data Rate) Setup ................................... 5
1.2.4 Baseband Encoder Control Function Description..............................................5
System Description
6
2.1 W55RFS27T1B System Block Diagram....................................................................................6
2.2 W55RFS27T1B Functional Description .................................................................................... 6
Electronic Characteristics
7
3.1 W55RFS27T1B Absolute Maximum Ratings ............................................................................ 7
3.2 W55RFS27T1B DC Characteristics...........................................................................................7
3.3 W55RFS27T1B Ordering Information ...................................................................................... 8
3.4 W55RFS27T1B Package Information........................................................................................ 9
3.4.1 Bonding Pad List ................................................................................................ 9
3.4.2 Bonding Pad Diagram ........................................................................................ 9
Design Information
10
4.1 W55RFS27T1B Reference Design .......................................................................................... 10
4.1.1 TXOUT waveform ........................................................................................... 10
4.1.2 Application Circuit for 6 Control Functions ..................................................... 11
4.1.3 Application Circuit for 4 Control Functions ..................................................... 12
4.1.4 Application Circuit for FCC ............................................................................. 13
4.2 uC-Mode Control Signal .......................................................................................................... 13
4.3 W55RFS27T Family FCC Certification................................................................................... 14
4.4 W55RFS27T1B Data Sheet Document History ....................................................................... 15
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Revision: A3.0
Publish Date: Feb. 2010