SSTX4930 Datasheet, PDF (1/6 Pages) List of Unclassifed Manufacturers – Low Power ISM-Band FM/FSK Transmitter

SSTX4930
Low Power ISM-Band FM/FSK Transmitter
Description
The SSTX4930 is a low-power 433/868/915 MHz FM/FSK transmitter IC suitable for use
in the North American 915 MHz and European 433 and 868 MHz ISM bands. The
SSTX4930 is intended as a phase-locked frequency source in local oscillator or transmitter
applications.
Features
! Integrated VCO with multi-modulus ÷ 64/65/128/129 prescaler, phase/frequency
detector, and reference oscillator forming complete phase-locked loop
! Transmitter enable pin for power saving
! 2.7V to 5V supply voltage
! On-chip varactor diode for narrowband modulation
! SSOP-16 package (0.64mm pitch)
Applications
! Wireless mouse
! Wireless amplifier/ speaker/ headphone/ microphone
! Wireless car alarm system
Block Diagram
Pin Out Diagram
MOD
NC VREFP DO RES IN RES SW MC
16 15 14 13 12 11 10 9
CHARGE VCO
PUMP
÷ 64/65/128/129
PFD
REF OSC
PA
BIAS
12345678
OSC OSC VSS1 TX VCC VSS TXEN NC
IN OUT
OUT
OSCIN 1
OSCOUT 2
VSS1 3
TXOUT 4
VCC 5
VSS 6
TXEN 7
NC 8
16 NC
15 VREFP
14 DO
13 RES
12 MODIN
11 RES
10 SW
9 MC
Rev.2.01 6/26/2003
www.SiliconStandard.com
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