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TDA9898HL bảng dữ liệu(PDF) 4 Page - NXP Semiconductors |
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4 / 103 page TDA9897_TDA9898_3 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 03 — 11 January 2008 4 of 103 NXP Semiconductors TDA9897; TDA9898 Multistandard hybrid IF processing Gdif differential gain “ITU-T J.63 line 330” [2][4] B/G standard - - 5 % L standard - - 7 % ϕdif differential phase “ITU-T J.63 line 330” [2][4] B/G standard - 2 4 deg L standard - 2 4 deg Bvideo(−3dB) −3 dB video bandwidth trap bypass mode and sound carrier off; AC load: CL <20pF, RL >1kΩ [3] 68- MHz α SC1 first sound carrier attenuation M/N standard; f=fSC1 = 4.5 MHz; see Figure 21 [3] 38 --dB B/G standard; f=fSC1 = 5.5 MHz; see Figure 23 [3] 35 --dB (S/N)w weighted signal-to-noise ratio normal mode and sound carrier on; B/G standard; 50 % grey video signal; unified weighting filter ( “ITU-T J.61”); see Figure 20 [2][5] 53 57 - dB PSRRCVBS power supply ripple rejection on pin CVBS normal mode and sound carrier on; fripple =70Hz; video signal; grey level; positive and negative modulation; see Figure 11 [2] 14 20 - dB ∆IAFC/∆fVIF change of AFC current with VIF frequency AFC TV mode [6] 0.85 1.05 1.25 µA/kHz Audio part Vo(AF)(RMS) RMS AF output voltage FM: QSS mode; 27 kHz FM deviation; 50 µs de-emphasis 430 540 650 mV AM: 54 % modulation 400 500 600 mV THD total harmonic distortion FM: 50 µs de-emphasis; FM deviation: for TV mode 27 kHz and for radio mode 22.5 kHz - 0.15 0.50 % AM: 54 % modulation; BP on; see Figure 33 - 0.5 1.0 % f−3dB(AF) AF cut-off frequency W3[2] = 0; W3[4] = 0; without de-emphasis; FM window width = 237.5 kHz 80 100 - kHz Table 1. Quick reference data …continued VP =5V; Tamb =25 °C. Symbol Parameter Conditions Min Typ Max Unit |
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