(China (Mainland))
Product Summary
The TA2149BFNG is an AM/FM 1 chip tuner IC, which is designed for portable Radios and 3 V Head phone Radios. This is suitable for Digital Tuning System Applications. FM Local Oscillation Voltage is set up low relativity, for NEW FCC.
Parametrics
TA2149BFNG absolute maximum ratings: (1)Supply voltage VCC: 8 V; (2)LED current ILED: 10 mA; (3)LED voltage VLED: 8V; (4)Power dissipation PD: 500 mW; (5)Operating temperature Topr: -25~75 ℃; (6)Storage temperature Tstg: -55~150 ℃.
Features
TA2149BFNG features: (1)For NEW FCC; (2)Suitable for combination with Digital Tuning System which is included IF Counter; (3)Adjustable for IF count output sensitivity by external resistance of pin 17 (FM only); (4)One terminal type AM/FM IF count output for IF counter of Digital Tuning System; (5)Built-in Mute Circuit for IF count output; (6)For adopting ceramic Discriminator, it is not necessary to adjust the FM Quad Detector Circuit; (7)Built-in FM MPX VCO circuit; (8)Built-in one terminal type AM/FM Local Oscillator Buffer Output for Digital Tuning System Applications; (9)Built-in 1/16 Pre-scaler for FM Local OSC Buffer; (10)Built-in AM Low cut circuit; (11)Low supply current. (VCC = 3 V, Ta = 25℃): ICCq (FM)= 13 mA (Typ.), ICCq (AM)= 8.5 mA (Typ.); (12)Operating Supply voltage range: VCC = 1.8~7 V (Ta = 25℃).
Diagrams
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