SA2104S Datasheet | Silan Microelectronics

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: VCC=1.8~10V (Tamb=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: 450k Hz - 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. (VCC=3V, Tamb=25°C) ICCq (FM)=11.0m A (Typ.) ICCq (AM)=7.5m A (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: .silan..cn REV:2.0 2004.07.31 Page 1 of 13 SA2104/SA2104S MAXIMUM RATINGS (Tamb=25°C) Parameter Maximum Supply Voltage Indicator Drive Current Indicator Voltage Power Dissipation SA2104 SA2104S Symbol VCC ILED VLED PD (note) Topr Tstg Rating 14 10 8 1200 500 -20~+70 -40~+125 Unit V m A V m W °C °C Operating Temperature Storage Temperature Note: Derated above Tamb=25°C in the proportion of 9.6m W/°C for SA2104 of 4m W/°C for SA2104S. ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Tamb=25°C, VCC=3V, F/E : f=98 MHz, fm=1 k Hz ,FM IF : f=10.7 MHz, ∆f =±22.5 k Hz, fm= 1 k Hz . AM : f=1 MHz, MOD=30%, fm=1 k Hz. MPX: fm=1k Hz) Parameter Quiescent Current Input Limiting Voltage F/E Local OSC Symbol ICC(FM) ICC(AM) Vin(lim) Test Condition VIN=0, FM mode VIN=0, AM mode VIN=60 d BµV EMF -3d B limiting FOSC=108.7MHz VIN=80d BµV EMF -3d B limiting VIN=80d BµV EMF VIN=80d BµV EMF VIN=80d BµV EMF VIN=80d BµV EMF...