? ATBM8830 ?/? atbm8831 low-power and high-performance dtmb full modes demodulator product brief ? general description ? compliant to gb20600-2006, china digital terrestrial broadcasting standard ? supporting demodulation of single-carrier and multi-carrier modes ? supporting high if, low if and i/q input, compatible with can tuners and silicon tuners ? ts output in parallel or serial format ? pin compatible with other altobeam lqfp/bga demodulator chips advantages ? high performance in both multi-carrier and single-carrier modes ? rapid pll lock and channel changing ? outstanding multipath and pre-echo performance in sfn environment ? very low power consumption ? very simple software driver, easy to integrate applications ? idtv, set-top-box, car receiver ? pctv card and usb tv dongle ? portable or handled tv receiver ? dtv testing or experiment equipment full dtmb demodulation ? 3780 carriers and single carrier ? qpsk/4qam-nr/16qam/32qam/64qam ? fec rates of 0.4, 0.6 and 0.8 ? guard internals of pn420, pn595 and pn945 ? time de-interleaver depth m=240 and m=720 ? modulation mode automatic detection block diagram and technology timing recovery adc agc tuner frequency recovery channel estimaion equalization time de-interleaver fec decoding descrambler transport stream (mpeg2, mpeg4, h.264 or avs) if to baseband sdram* ATBM8830/atbm8831 dtmb demodulator pll crystal sdram* block diagram of ATBM8830/8831 ? 130nm cmos process ? on chip 10-bit adc ? on chip pll, supporting ex ternal crystal at the frequency range of 28~32mhz ? on chip 64mbit sdram (atbm8831 only) ? full i 2 c bus support. isolate tuner from the i 2 c bus to avoid interference. ? voltage supply: 1.2v (core), 2.5v/3.3v (i/o) ? package: lqfp128 20 141.4mm 3 (8830) bga100 881.3mm 3 (8831) ? power consumption (typical): 300mw (ATBM8830), 350mw (atbm8831) ? www.datasheet.co.kr datasheet pdf - http://www..net/
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