Philips TDA3825 free download

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INTEGRATED CIRCUITS DATA SHEET TDA3825 Single FM TV-sound demodulator circuit Product specification File under Integrated Circuits, IC02 September 1988 Philips Semiconductors Product specification Single FM TV-sound demodulator circuit GENERAL DESCRIPTION The TDA3825 is a single FM demodulator system with external AF input and mute. Features · Supply voltage range from 4.5 V to 13.2 V · AC coupled AF stage · Multiple input AF operational amplifier with offset compensation · External AF input · High AF output voltage with low distortion · AF gain of 0 dB without external components · Frequency response can be determined by external components · High ripple rejection · Low switching noise between AF and mute QUICK REFERENCE DATA PARAMETER Supply voltage (pin 11) Supply current (pin 11) VP = 5.0 V VP = 12 V FM demodulator AF output voltage (pin 5) (RMS value) Signal plus weighted-noise to weighted-noise ratio Total harmonic distortion Source selector AF output voltage (pin 12) (RMS value) THD 0.1%; Vu = 6 dB V12-1 - 1.0 - (S + W)/W THD 65 - 70 0.3 - f = 50 kHz; QB = 11 V5-1 - 0.5 - IP IP - - 16 18 - - CONDITIONS SYMBOL VP MIN. 4.5 TYP. 5.0 TDA3825 MAX. 13.2 V UNIT mA mA V dB % 0.5 V PACKAGE OUTLINE 14-lead DIL; plastic (SOT27); SOT27-1; 1996 November 25. September 1988 2 Philips Semiconductors Product specification Single FM TV-sound demodulator circuit TDA3825 September 1988 3 Fig.1 Block diagram. Philips Semiconductors Product specification Single FM TV-sound demodulator circuit RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134) PARAMETER Supply voltage (pin 11) External DC load resistance Total power dissipation Storage temperature range Operating ambient temperature range CONDITIONS SYMBOL VP RL Ptot Tstg Tamb 5 - -25 0 MIN. 4.5 TDA3825 MAX. 13.2 - 400 + 125 + 70 UNIT V k mW °C °C September 1988 4 Philips Semiconductors Product specification Single FM TV-sound demodulator circuit TDA3825 CHARACTERISTICS VP = 5 V; Tamb = 25 °C; Vi = 10 mV; fo = 5.5 MHz; fAF = 1 kHz; f = 50 kHz; all parameters were measured with the test circuit of Fig. 2; unless otherwise specified PARAMETER Supply voltage (pin 11) Total current consumption Limiting amplifier Input voltage (pin 14) (RMS value) V14-1 3 dB signal reduction DC voltages pin 2 pin 13 pin 14 Input resistance Input capacitance FM demodulator DC voltages pin 7 pin 8 AF output voltage (pin 5) (RMS value) AM suppression Total harmonic distortion Output impedance (pin 5) Signal plus weighted-noise to weighted-noise ratio Signal plus noise-to-noise ratio Residual RF signal (pin 5) (RMS value) Ripple rejection Source selector (pin 12) Open loop gain Noise output voltage (RMS value) Bnoise = 20 kHz V12-1 - 20 - µV Gol 50 60 - dB 2 x fo without de-emphasis fR = 70 Hz; VR = 100 mV(p-p) V5-1 R - 40 30 45 - - mV dB in accordance with DIN4505; CCIR468-3 Bnoise = 20 kHz (S + W)/W (S + N)/N 65 75 70 80 - - dB dB QB = 11 fAM = 400 Hz; m = 0.3; Vi = 500