TDA1576 - NXP

TDA1576 FM/IF amplifier/demodulator

TDA1576 The TDA1576 is a monolithic integrated FM/IF amplifier circuit for use in mono and stereo FM-receivers of car radios or home sets. MAX. 20 V UNIT mA mA µV µV µV mV mV % % dB dB dB kHz dB mA °C −3 dB before limiting − +80 ORDERING INFORMATION TYPE NUMBER TDA1576 1998 Nov 18 PACKAGE NAME DIP18 DESCRIPTION plastic dual in-line package; 18 leads (.

Features

• Symmetrical limiting IF amplifier
• Symmetrical quadrature demodulator
• Internal muting circuit
• Symmetrical AFC output
• Field strength indication output
• Detune detector
• Reference voltage output
• Electronic smoothing of the supply voltage
• Standby on/off switching circuit. QUICK REFERENCE DATA fo = 10.7 MHz; ∆f = ±22.5 kHz; fm = 400 Hz; QL = 20; 50 µs de-emphasis. SYMBOL VP IP ViIF(rms) PARAMETER supply voltage (pin 1) supply current input sensitivity (RMS value) VP = 8.5 V VP = 15 V S+N ------------- = 26 dB N S+N ------------- = 46 dB N VoAF(rms) THD AF output voltage (RMS value) .