TDA4445A Datasheet (TEMIC Semiconductors) - Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator

TDA4445A, Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator

Pin 1 *16 3 8 *9 11 12 13 2, 4, 7, 10, 14, 15 Symbol Function IF input If AGC time constant Tuned circuit Supply voltage Sound-IF-output Ground not connected TELEFUNKEN Semiconductors Circuit Description This circuit includes the following functions D Three symmetrical and gain cont

TDA4445A Features

* D D D D D D Very high input sensitivity Excellent signal to noise ratio Fast averaged AGC IF amplifier can be switched off for VTR mode Output signal stabilized against VS variations Very few external components TDA4445B additional D Targeting bistandard applications (B/G and L) D Alignment free AM