Bipolar Linear Integrated Circuit Silicon Monolithic
●3V AM/FM 1 Chip Tuner IC (for Digital Tuning System)
●TA2149BN, TA2149BFN are AM/FM 1 chip tuner ICs, which are 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.
●Functions
●For NEW FCC.
●Suitable for combination with Digital Tuning System which is included IF Counter.
● Adjustable for IF count output sensitivity by external resistance of pin 17 (FM only).
●One terminal type AM/FM IF count output for IF counter of Digital Tuning System.
● FM: 1.3375 MHz (1/8 dividing)
● AM: 450 kHz
●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 current. (VCC= 3 V, Ta = 25°C)
● ICCq(FM) = 13 mA (Typ.)
● ICCq(AM) = 8.5 mA (Typ.)
●Operating Supply voltage range: VCC= 1.8~7 V (Ta = 25°C)
