Philips TDA3827 free download

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INTEGRATED CIRCUITS DATA SHEET TDA3827 TV-sound demodulator circuit with SCART switches and AF control Preliminary specification File under Integrated Circuits, IC02 March 1991 Philips Semiconductors Preliminary specification TV-sound demodulator circuit with SCART switches and AF control FEATURES · Wide supply voltage range from 4.5 V to 13.2 V · Wide frequency range from 4 to 12 MHz · High ripple rejection · High precision and temperature compensated FM-demodulator output · Multiple-input AF operational amplifiers with offset compensation · SCART AF input / AF output (low impedance) · External AF input · High-level AF output voltage with low distortion · External selection of the source selector AF gain · Low switching noise between AF and mute · Wide volume-control range GENERAL DESCRIPTION The TDA3827 contains a single FM demodulator with SCART switches, a mute function and volume control. THD QUICK REFERENCE DATA SYMBOL VP IP PARAMETER supply voltage range (pin 18) supply current (pin 18) signal to weighted noise FM demodulator output voltage (RMS value) SCART output signal (RMS value) volume control range AF output signal (RMS value) total harmonic distortion (pin 17) f = 50 kHz; fmod = 1 kHz; QL = 20 f = 50 kHz; fmod = 1 kHz; QL = 20 VP = 5 V VP = 12 V (S+N)/N V5(rms) CONDITIONS MIN. 4.5 - - 73 450 TYP. 5.0 26 28 78 500 TDA3827 MAX. 13.2 - - - 550 UNIT V mA mA dB mV V13(rms) - 1.0 - V Gv V17(rms) 80 - 85 1.0 - - dB V - 0.5 - % ORDERING AND PACKAGE INFORMATION EXTENDED TYPE NUMBER TDA3827 Note 1. SOT102-2; 1996 December 13. PACKAGE PINS 18 PIN POSITION DIL MATERIAL plastic CODE SOT102(1) March 1991 2 Philips Semiconductors Preliminary specification TV-sound demodulator circuit with SCART switches and AF control TDA3827 Fig.1 Block diagram. March 1991 3 Philips Semiconductors Preliminary specification TV-sound demodulator circuit with SCART switches and AF control PIN CONFIGURATION PINNING SYMBOL GND VFB1 VIF VFB2 VO AF1 VINT AF VEXT AF VSEL1 V90° V90° VSEL2 VF VO AF2 VREF VSC AF VDC Fig.2 Pin configuration. VO AF3 VP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 PIN ground TDA3827 DESCRIPTION limiter amplifier feedback FM IF input signal limiter amplifier feedback AF output signal internal AF input signal external AF input signal selection voltage for internal / external AF input and mute quadrature demodulator tuned circuit reference selection voltage for internal / external or SCART audio source selector feedback output signal to SCART reference voltage input signal from SCART DC volume control voltage AF output signal from volume control supply voltage Fig.3 Internal circuits. March 1991 4 Philips Semiconductors Preliminary specification TV-sound demodulator circuit with SCART switches and AF control LIMITING VALUES In accordance with the Absolute Maximum System (IEC 134) SYMBOL VP Vext supply voltage (pin 18) external voltage (pins 2 to 10, 12 to 15 and 17) external voltage at pin 11 external vo