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TDA9808 Datasheet(PDF) 9 Page - NXP Semiconductors |
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TDA9808 Datasheet(HTML) 9 Page - NXP Semiconductors |
9 / 36 page 1999 Jun 04 9 Philips Semiconductors Product specification Single standard VIF-PLL with QSS-IF and FM-PLL demodulator TDA9808 CHARACTERISTICS (9 V SUPPLY, TDA9808; DIP20 only) VP =9V; Tamb =25 °C; see Table 1 for input frequencies and carrier ratios; input level Vi(VIF)(rms) =10mV (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 note 1 4.5 5.0 9.9 V IP supply current 72 85 98 mA True synchronous video demodulator; note 2 Vi(VIF)(rms) VIF input signal voltage sensitivity (RMS value) PLL still locked; maximum IF gain; note 3 − 60 90 µV Composite video amplifier (pin 9; sound carrier off) Vo(video)(p-p) video output signal voltage (peak-to-peak value) see Fig.8 1.27 1.45 1.63 V S/NW(video) weighted signal-to-noise ratio see Fig.6 and note 4 56 60 − dB PSRR power supply ripple rejection at pin 9 see Fig.11 25 30 − dB Tuner AGC (pin 12) ∆G IF IF slip by automatic gain control tuner gain current from 20 to 80% − 68 dB AFC circuit (pin 13); see Fig.10 and note 5 S control steepness ∆I13/∆f note 6 fpc = 38.9 MHz 0.35 0.55 0.75 µA/kHz fpc = 45.75 MHz 0.35 0.55 0.75 µA/kHz fpc = 58.75 MHz 0.35 0.55 0.75 µA/kHz ∆f IF/∆T frequency variation by temperature IAFC = 0; note 7 −− ±20 × 10−6 K−1 FM-PLL sound demodulator and AF output (pin 6); note 8 Vo(AF)(6)(rms) AF output signal voltage (RMS value) ±25 kHz (50% FM deviation); see Fig.13 375 500 625 mV S/NW(audio) weighted signal-to-noise ratio “CCIR 468-4”; see Fig.13 55 60 − dB α 6 mute attenuation 70 75 − dB ∆V5 DC jump voltage of AF output terminal FM-PLL in lock mode −±50 ±175 mV |
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