AN7223 - Panasonic Semiconductor

AN7223 AM Tuner/ FM/AM IF Amplifier

Pin No. 1 2 3 4 5 6 7 8 9 VCC (AM) AM RF Amp. Input AM Mixer Output AGC Output (2) AGC Output (1) AM IF Amp. Input IF By-pass IF By-pass Pin Name FM IF Amp. Input Pin No. 10 11 12 13 14 15 16 17 18 GND FM Detector Coil AF Output VCC Level Meter Output AFC Output Reference Voltage Local Oscillation Pin Name AM Detection Output AN7223 s Absolute Maximum Rat.

Features

• Wide operating supply voltage range : VCC= 2.8V~12V
• Incorporating both FM and AM detectors
• Incorporating a level indicator output (FM/AM common use) 2 3 21.7±0.3 4 5 6 7 8 9 15
• AM : High sensitivity,including RF amplifier
• Low power consumption
• Muting control
• AFC control
• Fewer external parts
• High stability on both AM and FM
• Low shock noise level from function switch operation
• SW band available (f= 30MHz) 3 ~ 15˚ 7.62±0.25 18-Lead DIP Package (DIP018-P-0300E) s Block Diagram 8 9 12 Level Meter Mute or Shock Noise Canceller AF Amp. 4 3 AM RF Amp. AM Mixer AM .