W55RFS27T3B DATA SHEET
SUPER-REGENERATION RF RECEIVER
Table of Content-
1.
GENERAL DESCRIPTION ......................................................................................................... 2
1.1 Features............................................................................................................................. 2
1.2 W55RFS27T3B Pad Definition.......................................................................................... 3
1.2.1
1.2.2
1.2.3
1.2.4
Pad Description ................................................................................................................3
Clock Frequency Select (CKSEL) Setup ..........................................................................3
ID Setup ...........................................................................................................................4
Baseband Encoder Control Function Description.............................................................4
2.
3.
SYSTEM DESCRIPTION............................................................................................................ 5
2.1 W55RFS27T3B System Block Diagram............................................................................ 5
2.2 W55RFS27T3B Functional Description............................................................................. 6
ELECTRONIC CHARACTERISTICS.......................................................................................... 7
3.1 W55RFS27T3B Absolute Maximum Ratings..................................................................... 7
3.2 W55RFS27T3B DC Characteristics .................................................................................. 7
3.3 W55RFS27T3B Ordering Information ............................................................................... 8
3.4 W55RFS27T3B Package Information ............................................................................... 8
3.4.1
Bonding Pad List ..............................................................................................................8
3.4.2
Bonding Pad Diagram ......................................................................................................9
4.
5.
DESIGN INFORMATION .......................................................................................................... 10
4.1 W55RFS27T3B Reference Design.................................................................................. 10
4.1.1
4.1.2
4.1.3
TXOUT waveform...........................................................................................................10
Application Circuit for 6 Control Functions......................................................................11
Application Circuit for 4 Control Functions......................................................................12
4.2 uC-Mode Control Signal .................................................................................................. 14
4.3 W55RFS27T Family FCC Certification............................................................................ 15
REVISION HISTORY................................................................................................................ 16
Publication Release Date:June 8, 2005
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Revision A1