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TDA3858 数据表(PDF) 8 Page - NXP Semiconductors |
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TDA3858 数据表(HTML) 8 Page - NXP Semiconductors |
8 / 17 page June 1994 8 Philips Semiconductors Product specification Quasi-split sound processor for all standards TDA3858 V4 voltage for gain control (pin 4) 1.7 − 2.6 V ∆G v IF gain control 60 63 − dB B IF bandwidth −3 dB 50 70 − MHz Resonance amplifier (pins 16-17) Vo (p-p) vision carrier amplitude (peak-to-peak value) fo = 38.9 MHz − 270 − mV R16-17 operating resistance − 4 − k Ω L inductance Figs 3 and 5 − 0.247 −µH C capacitance − 68 − pF QL Q-factor of resonant circuit Qo =90 − 40 − V16, 17 DC voltage (pins 16 and 17) − VP1− 1 − V Intercarrier mixer output (pin 23) Vo(RMS) 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 −1 dB 6 8.5 − MHz −3 dB 7 10 − MHz VVID/V23 residual video AM on intercarrier note 2 − 310 % VVC (RMS) residual vision carrier (RMS value) 1st/2nd harmonic (38.9/77.8 MHz) − 0.5 1 mV R23 output resistance (emitter follower) 1 mA emitter current − 30 −Ω Io allowable AC output current (pin 23) −− ±0.7 mA I23 allowable DC output current −− −2mA V23 DC voltage LC-circuit at pin 16, 17 adjusted to minimum video content at pin 23 1.5 1.75 2.0 V Limiting amplifiers (pins 21 and 25) vi(RMS) minimum input signal (RMS value) −3 dB AF signal − 300 450 µV maximum input signal (RMS value) 200 −− mV R21, 25 input resistance 450 560 700 Ω V21, 25 DC voltage − 0 − V Vi(RMS) level detector threshold for no muting (RMS value, pin 25) only 5.74 MHz channel 0.8 1.2 1.7 mV ∆Vi hysteresis of level detector 4 7 12 dB SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
类似零件编号 - TDA3858 |
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类似说明 - TDA3858 |
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