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TDA3856 Datasheet(PDF) 8 Page - NXP Semiconductors |
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TDA3856 Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 17 page June 1994 8 Philips Semiconductors Product specification Quasi-split sound processor for all standards TDA3856 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 15 and 19 without ceramic filters, Rs =50 Ω. De-emphasis 50 µs and V5 =VP (B/G standard). QL-factor = 11 for resonant circuits at pins 6-7 and 10-11 (including IC). VIC (RMS) intercarrier signals (RMS values, pins 6-7 and 10-11) − 100 − mV V DC voltage (pins 6, 7, 10 and 11) − 1.8 − V Vo(RMS) AF output signals (RMS values, pins 8 and 9) 0.84 0.95 1.07 V ∆V o difference of AF signals between channels (pins 8 and 9) −− 1dB R8, 9 output resistance 75 100 130 Ω V8, 9 DC voltage 1.8 2.1 2.4 V I8, 9(M) allowed AC current of emitter output (peak value) note 3 −− ±1.5 mA I8, 9 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 9-8) 60 70 − dB V16, 18 DC voltage (pins 16 and 18) − 1.8 − V AM demodulator V5 = 0 V (AM mode) input signals at pins 1-2: SC = 32.4 MHz; fmod = 1 kHz; m = 0.8; Vi AM (RMS) = 10 mV Vo (RMS) AF output signal at pin 9 (RMS value) 530 600 675 mV R9 output resistance (pin 9) 75 100 130 Ω Io (M) maximum AC output current (peak value) note 3 −− ±1.5 mA I9 maximum DC output current −− −2mA V9 DC voltage 1.8 2.1 2.4 V THD total harmonic distortion Fig.4 − 12 % S/N(W) weighted signal-to-noise ratio CCIR468-3 50 56 − dB B AF bandwidth ( −3 dB) lower limit −− 20 Hz upper limit 100 −− kHz V14 DC voltage (pin 14) − 2 − V SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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