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TDA3858 Datasheet(PDF) 9 Page - NXP Semiconductors |
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TDA3858 Datasheet(HTML) 9 Page - NXP Semiconductors |
9 / 17 page June 1994 9 Philips Semiconductors Product specification Quasi-split sound processor for all standards TDA3858 Tracking Automatic Frequency Control (AFC) of the vision carrier reference circuit V0 19 tracking output voltage (pin 19) note 3 VP1 − 3.3 − VP1 − 1V FTR tracking reducing factor for black picture − 9 − white test picture − 4 − 50% grey picture − 6 − S AFC steepness (open loop) for black picture −−8 − mV/kHz white test picture −−3 − mV/kHz 50% grey picture −−5.5 − mV/kHz FM1 and FM2 demodulators Measurements with FM IF input signals of 5.5 MHz and 5.74 MHz with Vi IF (RMS) = 10 mV (fmod = 1 kHz, deviation ∆f = ±50 kHz) at pins 21 and 25 without ceramic filters, RS =50 Ω. De-emphasis 50 µs and V6 = VP1 (B/G standard). QL-factor = 11 for resonant circuits at pins 8-9 and 12-13 (including IC). VIC(RMS) intercarrier signals (RMS values, pins 8-9 and 12-13) − 100 − mV V DC voltage (pins 8, 9, 12 and 13) − 1.8 − V Vo(RMS) AF output signals (RMS values, pins 10 and 11) 0.84 0.95 1.07 V ∆V o difference of AF signals between channels (pins 10 and 11) note 4 −− 1dB R10, 11 output resistance 75 100 130 Ω V10, 11 DC voltage 1.8 2.1 2.4 V I10, 11 (M) allowed AC current of emitter output (peak value) note 5 −− ±1.5 mA I10, 11 maximum allowed DC output current −− −2mA THD total harmonic distortion − 0.5 1.0 % Vo(RMS) AF output signal (RMS value) THD = 1.5% 1.25 −− V α AM AM suppression 1 kHz; m = 0.3 48 54 − dB S/N(W) weighted signal-to-noise ratio CCIR468-3 64 68 − dB B AF bandwidth ( −3 dB) lower limit −− 20 Hz upper limit 100 −− kHz α CR crosstalk attenuation (pins 10-11) 60 70 − dB V7 adjustment voltage for AF2 note 6 minimum output signal − 0 − V maximum output signal − 5 − V SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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