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.
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
* High S/N (78 dB typ.)
* Good AMR
* Signal meter drive output proportional to the input signal strength in
dB (suitable to control multiplex IC SA3370).
Device
SA1140
Package
ZIP-16
ZIP-16
ORDERING INFORMATION
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
Page 1 of 6
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