TDA1576T
Overview
- Fully balanced 4-stage limiting IF amplifier
- Symmetrical quadrature demodulator
- Field strength indication output for 1 mA ammeter
- Detune detector for side response and noise attenuation
- Detune voltage output
- Internal muting circuit
- 0° and 180° AF output signals
- Reference voltage output
- Electronic smoothing of the supply voltage. QUICK REFERENCE DATA SYMBOL VP IP ViIF(rms) PARAMETER supply voltage (pin 1) supply current input sensitivity (RMS value) S/N = 26 dB S/N = 46 dB VoAF(rms) THD S/N αAM RR I15 Tamb AF output voltage (RMS value) total harmonic distortion with double resonant circuits signal-to-noise ratio AM suppression ripple rejection maximum indicator output current operating ambient temperature f = 100 Hz Vi > 1 mV CONDITIONS MIN. 7.5 10 -3 dB before limiting 14 - - 60 - - - 43 - -30 TYP. 8.5 16 22 10 55 67 0.02 72 50 48 - - GENERAL DESCRIPTION TDA1576T The TDA1576T is a monolithic integrated FM/IF amplifier circuit for use in mono and stereo FM-receivers of car radios or home sets. MAX. 15 23 35 - - 75 - - - - 2 +80 V UNIT mA µV µV µV mV % dB dB dB mA °C
