SA2104/SA2104S

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

REV:2.0

2004.07.31

Http: www.silan.com.cn

Page 1 of 13

BLOCK DIAGRAM

3V AM/FM+MPX TUNER IC(FOR DIGITAL TUNING SYSTEM)

SDIP-24-300-1.778

SSOP-24-300-0.65

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.

FEATURES

°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.

°C)

ORDERING INFORMATION

Part No.

Package

SA2104

SDIP-24-300-1.778

SA2104S

SSOP-24-300-0.65