TDA1593
Key Features
- Balanced limiting amplifier
- Balanced coincidence demodulator
- Two open-collector stop pulse outputs for microcomputer tuning control
- Simulated behaviour of ratio detector (internal field strength and detuning dependent voltage for dynamic AF signal muting)
- Mono/stereo blend field strength indication control voltage
- AFC output
- Internal compensation of AF signal total harmonic distortion (THD)
- Built-in hum and ripple rejection circuits. QUICK REFERENCE DATA SYMBOL VP IP ViIF VoAF S/N THD Tamb supply voltage (pin 1) supply current (l2 = 0) IF input sensitivity for limiting on pin 20 (RMS value) AF output signal on pin 4 (RMS value) signal-to-noise ratio (fm = 400 Hz; ∆f = ±75 kHz) total harmonic distortion (fm = 1 kHz; ∆f = ±75 kHz) operating ambient temperature PARAMETER - 14 180 - - -40 MIN. 7.5 TYP. 8.5 20 22 200 82 0.2 - GENERAL DESCRIPTION TDA1593 The TDA1593 provides IF amplification, symmetrical quadrature demodulation and level detection for quality FM car radio receivers and is suitable for mono and stereo reception. It may also be applied to common front ends, stereo decoders and AM receivers circuits. All pin numbers mentioned in this data sheet refer to the SO-version (TDA1593T) unless otherwise specified. MAX. 12 26 35 220 - 0.6 +85 UNIT V mA µV mV dB % °C
