YD2149 Datasheet | Wuxi Youda electronics

.. YOUDA INTEGRATED CIRCUIT AM/FM 1 CHIP TUNER IC- YD2149 FUNCTIONS YD2149 are AM/FM 1 chip tuner ICs, which are designed for portable Radios and 3V Head phone Radios. This is suitable for Digital Tuning System Applications. FM Local Oscillation Voltage is set up low relativity, for NEW FCC. - For NEW FCC. - Suitable for bination with Digital Tuning System which is included IF Counter. - One terminal type AM/FM IF count output for IF counter of Digital Tuning system. FM: 1.3375MHz(1/8 dividing) AM: 450k Hz - - - - Built-in Mute Circuit for IF count output. For adopting ceramic Discriminator,it is not necessary to adjust the FM Quad Detector Circuit. Built-in FM MPX VCO circuit. Built-in one terminal type AM/FM Local Oscillator Buffer Output for Digital Tuning System Applications. Built-in 1/16 Pre-scaler for FM Local OSC Buffer. - Built-in AM Low cut circuit. - Low supply voltage range(Vcc=3V,Ta=25℃) Iccq(FM)=13m A(Typ) Iccq(FM)=8.5m A(Typ) - Operating Supply voltage range :Vcc=1.8～7V(Ta=25℃) 。 Wu Xi You Da Electronics Co., Ltd Tel: Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 Website: .e-youda. SHENZHEN OFFICE Tel： 86-755-83740369 Fax： 86-755-83741418 Ver 5.0 1 of 7 2006-7-10 .. YOUDA INTEGRATED CIRCUIT BLOCK DIAGRAM Wu Xi You Da Electronics Co., Ltd 2 of 7 Website: .e-youda. .. YOUDA INTEGRATED CIRCUIT EXPLANATION OF TERMINALS Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 CHARCTERISTIC RF GND FM-RF IN AM LOW CUT MIX OUT VCC AM IF IN FM IF IN GND AGC (AM AGC) QUAD R-OUT L-OUT Pin No. 13 14 15 16 17 18 19 20 21 22 23 24 CHARCTERISTIC LPF2 LPF1 MPX IN DET OUT IF REQ ST LED OSC OUT AM OSC FM OSC AM RF IN RF VCC FM RF OUT MAXIMUM RATINGS（Tamb=25℃） SYMOL VCC ILED VLED PD（Note） Topr Tstg RATING 8 10 8 1200 500 -25～+75 -55～+150 UNIT V m A V m W ℃ ℃ CHARACTERSTIC Supply LED Current LED Votage Power Dissipation YD2111N YD2111F Operating Temperature Storage...