SA1140 Datasheet, PDF (1/6 Pages) Silan Microelectronics Joint-stock – FM RADIO IC FOR DIGITAL TUNING SYSTEM

SA1140
FM RADIO IC FOR DIGITAL TUNING SYSTEM
DESCRIPTION
The SA1140 is an IF system IC designed for FM car stereo receivers. It
features versatile muting characteristics which can be varied with
external parts.
FEATURES
* Muting characteristics
a) Muting operation is performed under weak signal strength.
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b) Maximum muting attenuation can be selected to be
approximately 6 to 40 dB.
c) Input signal strength level which actuates the muting circuit can
be set freely.
* High limiting sensitivity
ORDERING INFORMATION
* High S/N (78 dB typ.)
* Good AMR
Device
Package
* Signal meter drive output proportional to the input signal strength in ^SA1140
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dB (suitable to control multiplex IC SA3370).
APPLICATIONS
* FM car stereo receivers, FM home radio
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2004.10.27
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