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TDA9897V2 bảng dữ liệu(PDF) 3 Page - NXP Semiconductors |
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3 / 103 page TDA9897_TDA9898_3 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 03 — 11 January 2008 3 of 103 NXP Semiconductors TDA9897; TDA9898 Multistandard hybrid IF processing 2.4 Dual mode I Fully performed DTV processing and additional ATV video signal processing in parallel, but with reduced performance, for very fast channel scan I VIF AGC voltage monitor output or port function I VIF AFC current monitor output or TAGC voltage output 2.5 FM radio mode I Gain controlled wide-band Radio IF (RIF) amplifier; AC-coupled I Buffered RIF amplifier wide-band output, gain controlled by internal RIF AGC I Fully integrated BP filter for 2nd RIF at 4.5 MHz, 5.5 MHz, 6.0 MHz, 6.5 MHz or 10.7 MHz 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 current 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 - - 190 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 25 ---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 see Figure 10 positive or negative modulation; normal mode and sound carrier on [2] 1.7 2.0 2.3 V trap bypass mode and sound carrier off [3] - 1.1 - V |
Số phần tương tự - TDA9897V2 |
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