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TDA9897 数据表(PDF) 3 Page - NXP Semiconductors |
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TDA9897 数据表(HTML) 3 Page - NXP Semiconductors |
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3 / 103 page  TDA9897_TDA9898_4 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 04 — 25 May 2009 3 of 103 NXP Semiconductors TDA9897; TDA9898 Multistandard hybrid IF processing 2.4 FM radio mode I Gain controlled wideband Radio IF (RIF) amplifier; AC-coupled I Buffered RIF amplifier wideband output, gain controlled by internal RIF AGC I Use of external FM sound BP filter I 2nd RIF output, gain controlled by internal RIF AGC or by internal FM carrier AGC for DSP I Alignment-free selective FM PLL demodulator with high linearity and low noise I Precise fully digital AFC detector with 4-bit DAC; AFC bits read-out via I2C-bus I Port function I Radio AFC or tuner, RIF or FM AGC voltage monitor output 3. Applications I Analog and digital TV front-end applications for TV sets, recording applications and personal computer cards 4. Quick reference data Table 1. Quick reference data VP =5V; Tamb =25 °C. Symbol Parameter Conditions Min Typ Max Unit VP supply voltage [1] 4.5 5.0 5.5 V IP supply current ATV QSS; B/G standard; sound carrier trap on; sound BP on - - 175 mA Analog TV signal processing Video part Vi(IF)(RMS) RMS IF input voltage lower limit at −1 dB video output signal - 60 100 µV GVIF(cr) control range VIF gain 60 66 - dB fVIF VIF frequency see Table 24 ---MHz ∆fVIF(dah) digital acquisition help VIF frequency window related to fVIF all standards except M/N - ±2.3 - MHz M/N standard - ±1.8 - MHz Vo(video)(p-p) peak-to-peak video output voltage positive or negative modulation; normal mode and sound carrier on; W6[1] = 0; W4[7] = 0; W7[4] = 0; see Figure 10 1.7 2.0 2.3 V Gdif differential gain “ITU-T J.63 line 330” [2][3] B/G standard - - 5 % L standard - - 7 % ϕdif differential phase “ITU-T J.63 line 330” [2][3] B/G standard - 2 4 deg L standard - 2 4 deg |
类似零件编号 - TDA9897 |
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类似说明 - TDA9897 |
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