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TDA9812T 데이터시트(PDF) 11 Page - NXP Semiconductors |
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11 / 32 page 1995 Mar 21 11 Philips Semiconductors Preliminary specification Multistandard VIF-PLL and FM-PLL/AM demodulator TDA9812 Composite video amplifier (pin 21; sound carrier OFF) Vo video(p-p) output signal voltage (peak-to-peak value) see Fig.13 0.88 1.0 1.12 V V21(sync) sync voltage level B/G and L standard − 1.5 − V V21(clu) upper video clipping voltage level VP − 1.1 VP − 1 − V V21(cll) lower video clipping voltage level − 0.3 0.4 V R21 output resistance note 2 −− 10 Ω Iint 21 internal DC bias current for emitter-follower 1.6 2.0 − mA I21(max)(sink) maximum AC and DC output sink current 1.0 −− mA I21(max)(source) maximum AC and DC output source current 2.0 −− mA B−1 −1 dB video bandwidth B/G and L standard; CL < 50 pF; RL > 1kΩ; AC load 56 − MHz B−3 −3 dB video bandwidth B/G and L standard; CL < 50 pF; RL > 1kΩ; AC load 78 − MHz αH suppression of video signal harmonics CL < 50 pF; RL > 1kΩ; AC load; note 8a 35 40 − dB PSRR power supply ripple rejection at pin 21 video signal; grey level; see Fig.16 B/G standard 32 35 − dB L standard 26 30 − dB CVBS buffer amplifier (only) and noise clipper (pins 10 and 22) R22 input resistance note 2 2.6 3.3 4.0 k Ω C22 input capacitance note 2 1.4 2 3.0 pF V22 DC input voltage 1.5 1.8 2.1 V Gv voltage gain B/G and L standard; note 9 6.5 7 7.5 dB V10(clu) upper video clipping voltage level 3.9 4.0 − V V10(cll) lower video clipping voltage level − 1.0 1.1 V R10 output resistance note 2 −− 10 Ω Iint 10 DC internal bias current for emitter-follower 2.0 2.5 − mA I10(max)(sink) maximum AC and DC output sink current 1.4 −− mA I10(max)(source) maximum AC and DC output source current 2.4 −− mA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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