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TDA9880T Datasheet(PDF) 3 Page - NXP Semiconductors |
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TDA9880T Datasheet(HTML) 3 Page - NXP Semiconductors |
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3 / 40 page  1999 Jul 21 3 Philips Semiconductors Product specification Alignment-free multistandard vision and FM sound IF-PLL demodulator TDA9880 QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP supply voltage note 1 4.5 5 5.5 V IP supply current 85 100 115 mA Vi(sens)(VIF)(rms) VIF input voltage sensitivity (RMS value) −1 dB video at output − 50 100 µV GVIF(cr) VIF gain control range see Fig.4 65 69 − dB fVIF VIF frequencies see Table 2 − 38.0 − MHz − 38.9 − MHz − 45.75 − MHz − 58.75 − MHz ∆f VIF VIF frequency window of digital acquisition help referenced to fVIF −±2.38 − MHz Vo(v)(p-p) video output signal voltage (peak-to-peak value) sound carrier off; see Fig.10 1.7 2.0 2.3 V trap bypass mode; see Fig.10 0.95 1.10 1.25 V Gdif differential gain “NTC-7 Composite” − 25% ϕdif differential phase “NTC-7 Composite” − 2 4 deg Bv(−3dB)(trap) −3 dB video bandwidth including sound carrier trap CL < 20 pF; RL >1kΩ; AC load; note 2 ftrap = 4.5 MHz (M/N standard) 3.95 4.05 − MHz ftrap = 5.5 MHz (B/G standard) 4.90 5.00 − MHz α SC1 trap attenuation at first sound carrier M/N standard 30 36 − dB B/G standard 30 36 − dB S/NW weighted signal-to-noise ratio of video signal see Fig.6; note 3 56 60 − dB PSRR13 power supply ripple rejection at pin 13 fripple = 70 Hz; video signal; grey level; see Fig.9 25 28 − dB Bv(−1dB) −1 dB video bandwidth CL < 20 pF; RL >1kΩ; AC load; trap bypass mode 56 − MHz Ich(max)(20) AGC maximum charge current at pin 20 6810 µA Idch(max)(20) AGC maximum discharge current at pin 20 7.5 10 12.5 µA Isink(14) sink current of tuner AGC at pin 14 maximum tuner gain reduction; V14 =1V; see Fig.4 450 600 750 µA AFCstps AFC steepness ∆I19/∆f 0.85 1.05 1.25 µA/kHz Io(source)(19) AFC output source current at pin 19 160 200 240 µA Io(sink)(19) AFC output sink current at pin 19 160 200 240 µA Vo(intc)(rms) intercarrier output voltage (RMS value) ; note 4 − 49 − mV V i(SC) V i(PC) -------------- 24 dB – = |
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