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TDA3866 Datasheet(PDF) 8 Page - NXP Semiconductors |
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TDA3866 Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 16 page January 1992 8 Philips Semiconductors Preliminary specification Quasi-split sound processor for all standards TDA3866 Resonance amplifier (pins 12-13) Vo vision carrier amplitude (peak-to-peak value) fo = 38.9 MHz − 270 − mV R12-13 operating resistance − 4 − k Ω L inductance Fig.3 and 5 − 0.247 −µH C capacitance CS = 27 pF − 68 − pF QL Q-factor of resonant circuit Qo = 90 − 40 − V12, 13 DC voltage (pins 12 and 13) − VP−1 − V Intercarrier mixer output (pin 17) Vo output signal for 5.5 MHz (RMS value) 71 95 125 mV output signal for 5.74 MHz (RMS value) 32 43 56 mV B IF bandwidth −1dB − 8.5 − MHz −3dB − 10 − MHz VVID/V17 residual video AM on intercarrier note 2 − 310 % VVC residual vision carrier (RMS value) 1st/2nd harmonic; (38.9/77.8 MHz) − 0.5 1 mV R17 output resistance (emitter follower) 1 mA emitter current − 30 −Ω Io allowable AC output current (pin 17) −− ±0.7 mA I17 allowable DC output current −− −2mA V17 DC voltage − 1.75 − V Limiting amplifiers (pins 15 and 19) Vi minimum input signal (RMS value) −3 dB AF signal − 300 450 µV maximum input signal (RMS value) 200 −− mV R15, 19 input resistance − 560 −Ω V15, 19 DC voltage − 0 − V Vi level detector threshold for no muting (RMS value, pin 19) only 5.74 MHz channel − 1 − mV ∆V i hysteresis of level detector − 5 − dB SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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