TA2149BFN

` 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. (V<sub>CC</sub> = 3 V, Ta = 25)
   I<sub>CCq</sub> (FM) = 13 mA (Typ.)
   I<sub>CCq</sub> (AM) = 8.5 mA (Typ.) 
` Operating Supply voltage range: V_CC = 1.8~7 V (Ta = 25) 
 

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.