YD2149 Datasheet, PDF (1/7 Pages) Wuxi Youda electronics Co.,LTD – AM/FM 1 CHIP TUNER IC

YOUDA INTEGRATED CIRCUIT
YD2149
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 combination 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: 450kHz
● 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)=13mA(Typ)
Iccq(FM)=8.5mA(Typ)
● Operating Supply voltage range :Vcc=1.8～7V(Ta=25℃)
。
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: [phone]
Fax: [phone]
Website: www.e-youda.com
SHENZHEN OFFICE Tel： 86-755-83740369
Fax： 86-755-83741418
Ver 5.0
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2006-7-10