PDF TDA9808 Data sheet ( Hoja de datos )

Número de pieza	TDA9808
Descripción	Single standard VIF-PLL with QSS-IF and FM-PLL demodulator
Fabricantes	NXP Semiconductors
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No Preview Available ! INTEGRATED CIRCUITS DATA SHEET TDA9808 Single standard VIF-PLL with QSS-IF and FM-PLL demodulator Product speciﬁcation Supersedes data of 1999 Jan 18 File under Integrated Circuits, IC02 1999 Jun 04 1 page Philips Semiconductors Single standard VIF-PLL with QSS-IF and FM-PLL demodulator Product speciﬁcation TDA9808 PINNING SYMBOL PIN DESCRIPTION Vi VIF1 Vi VIF2 TADJ 1 VIF differential input signal voltage 1 2 VIF differential input signal voltage 2 3 tuner AGC takeover point adjust TPLL CSAGC Vo AF CDEC n.c. 4 PLL loop ﬁlter 5 SIF AGC capacitor 6 audio output 7 decoupling capacitor 8 not connected Vo(vid) Vo QSS 9 composite video output voltage 10 single reference QSS output voltage SYMBOL PIN DESCRIPTION Vi FM TAGC 11 sound intercarrier input voltage 12 tuner AGC output AFC 13 AFC output VCO1 14 VCO1 resonance circuit VCO2 15 VCO2 resonance circuit GND 16 ground CVAGC VP Vi SIF1 Vi SIF2 17 VIF AGC capacitor 18 supply voltage 19 SIF differential input signal voltage 1 20 SIF differential input signal voltage 2 handbook, halfpage Vi VIF1 1 20 Vi SIF2 Vi VIF2 2 TADJ 3 TPLL 4 CSAGC 5 Vo AF 6 19 Vi SIF1 18 VP 17 CVAGC 16 GND TDA9808 15 VCO2 CDEC 7 14 VCO1 n.c. 8 13 AFC Vo(vid) 9 Vo QSS 10 12 TAGC 11 Vi FM MHA734 Fig.2 Pin configuration DIP20. handbook, halfpage Vi VIF1 1 20 Vi SIF2 Vi VIF2 2 19 Vi SIF1 TADJ 3 18 VP TPLL 4 17 CVAGC CSAGC 5 16 GND TDA9808T Vo AF 6 15 VCO2 CDEC 7 14 VCO1 n.c. 8 13 AFC Vo(vid) 9 Vo QSS 10 12 TAGC 11 Vi FM MHA735 Fig.3 Pin configuration SO20. 1999 Jun 04 5 5 Page Philips Semiconductors Single standard VIF-PLL with QSS-IF and FM-PLL demodulator Product speciﬁcation TDA9808 CHARACTERISTICS (5 V SUPPLY) VP = 5 V; Tamb = 25 °C; see Table 1 for input frequencies and carrier ratios; input level Vi(VIF)(rms) = 10 mV (pins 1 and 2) (sync-level); Vi(SIF)(rms) = 4.5 mV (pins 19 and 20) (sound carrier); IF input from 50 Ω via broadband transformer 1 : 1; video modulation DSB; residual carrier: 10%; video signal in accordance with “NTC-7 Composite”; measurements taken in Fig.13; unless otherwise speciﬁed. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply (pin 18) VP supply voltage IP supply current note 1 Vision IF ampliﬁer (pins 1 and 2) Vi(rms) allowable overload input voltage (RMS value) note 2 VI(max)(rms) Vi(VIF)(rms) ∆Vo(int) maximum input signal voltage (RMS value) VIF input signal voltage sensitivity (RMS value) internal IF amplitude difference between picture and sound carrier +1 dB video at output; see Fig.4 −1 dB video at output; see Fig.4 within AGC range; M standard; ∆f = 4.5 MHz GIFcr Ri(diff) Ci(diff) VI(1,2) IF gain control range differential input resistance differential input capacitance DC input voltage see Fig.4 note 3 note 3 note 3 True synchronous video demodulator; note 4 fVCO(max) maximum oscillator frequency f = 2fpc for carrier regeneration ∆fosc/∆T oscillator drift as a function of oscillator is temperature free-running; IAFC = 0; note 5 ∆fosc/∆VP oscillator shift as a function of oscillator is supply voltage free-running; note 5 VVCO(rms) oscillator voltage swing at pins 14 and 15 (RMS value) fcr(pc) tacq Vi(IF)(rms) picture carrier capture range acquisition time BL = 70 kHz; note 6 IF input signal voltage maximum IF gain; sensitivity for PLL to be locked note 7 (RMS value; pins 1 and 2) 4.5 71 − − − − 65 1.7 1.2 − 125 − − 50 ±1.4 − − 5 83 − − 60 0.7 70 2.2 1.7 3.4 130 − − 80 ±1.8 − 60 5.5 V 95 mA 440 mV 140 mV 100 µV 1 dB − dB 2.7 kΩ 2.5 pF −V − ±20 × 10−6 MHz K−1 ±1500 × 10−6 V−1 110 mV − MHz 30 ms 90 µV 1999 Jun 04 11 11 Page

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