SA2104/SA2104S
3V AM/FM+MPX TUNER IC(FOR DIGITAL TUNING SYSTEM)
DESCRIPTION
The SA2104/SA2104S are single-chip tuner ICs that incorporate
FM/AM and MPX circuits, which are designed for portable radios and 3V
headphone radios.
The SA2104/SA2104S are suitable for digital tuning system
applications. FM local oscillation voltage is set up low relativity, for NEW
FCC.
SDIP-24-300-1.778
FEATURES
* Operating supply voltage range: V
CC
=1.8~10V (T
amb
=25°C)
* For NEW FCC
* FM/AM and MPX integrated in a single-chip.
* Build in FM/AM IF count buffer.
FM: 1.3375MHz (1/8 dividing)
AM: 450kHz
* Build in mute circuit for IF count output according to field strength.
* Build in FM MPX VCO circuit
* Build in FM/AM OSC buffer output for DTS applications.
* Build in AM low cut circuit
* Build in stereo indicator.
* Low supply current. (V
CC
=3V, T
amb
=25°C)
I
CCq
(FM)=11.0mA (Typ.)
I
CCq
(AM)=7.5mA (Typ.)
SSOP-24-300-0.65
ORDERING INFORMATION
Part No.
SA2104
SA2104S
Package
SDIP-24-300-1.778
SSOP-24-300-0.65
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.0
2004.07.31
Page 1 of 13
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