worldwide hybrid tv tuner copyright ? 2011 by silicon laboratories 8.19.11 si2173 worldwide hybrid tv tune r with analog demodulator description the si2173 integrates a complete hybrid tuner with analog tv demodulator supporting all worldwide terrestrial and cable tv standards. leveraging silicon labs? proven digital low-if architecture, the si2173 extends the unmatched performance and design simplicity of the original si2170/1/2 while further reducing footprint size. no external lnas, tracking filters, or saw filters are used. compared with competing silic on tuners and discrete mopll-based tuners, the si2173 delivers superior picture quality and a higher number of received stations in crowded and near/far real-world reception conditions. this unprecedented level of performance in the field is enabled by a novel front-end architecture which uniquel y combines very high linearity and low noise, deliv ering superior blocking performance and higher sensitivity in the presence of strong undesired channels and interference. the si2173 integrates the complete signal path from antenna input to if or analog video and sound outputs. compared to traditional discrete mopll-based tuners, the si2173 eliminates hundreds of external components including external lnas, tracking filter vara ctors and inductors (unlike competing silicon tuners), and saw filters, resulting in the simplest, lowest-cost bom for a hybrid tv tuner while improving performance. i nterfacing the si2173 se amlessly with the si2165 dvb-t/c demodulator creates a complete terrestrial and cable hybrid pal/secam and dvb-t/c receiver. features - worldwide hybrid tv tuner - analog tv: ntsc, pal/secam - digital tv: atsc/qam, dvb-t/t2/c, isdb-t/c, dtmb - 42?1002 mhz frequency range - compliance to a/74, no rdig, d-book, c-book, arib, en55020, openc able? specifications - best-in-class real-world reception - exceeds discrete mopll-based tuners - highly integrated , lowest bom - no saw filters required - integrated lnas and co mplete tracking filters - no alignment, tuning or calibration required - digital low-if architecture - integrated channel select filters - analog tv demodulator - superior video snr performance - customizable video filters - overmodulation and icpm tolerant - flexible output interface - cvbs + sif/af to audio/ video processor or soc - dlif to digital tv demodulator or soc - 3.3 and 1.8 v power supplies - standard cmos process technology - 6 x 6 mm, 40-pin qfn package - rohs compliant applications - hybrid ?-nim, ?-nim and full-nim - idtv (integrated digital tv) - digital terrestrial and cable stb - hybrid pvr and dvd recorder dsp filter atv demod i adc q adc 0 / 90 low-if freq synth rf agc ldo if agc output interface xosc xtal_i pga pga control interface xtal_o xout bclk cvbs sif/af agc si2173 dsp filter atv demod rf_in rf_ip antenna input balun dtv demod av soc gpio 3.3 v 1.8 v rstb addr scl sda intb dlif 2
worldwide hybrid tv tuner copyright ? 2011 by silicon laboratories 8.19.11 silicon laboratories and silicon labs are trademarks of silicon laboratories inc. other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders. si2173 worldwide hybrid tv tune r with analog demodulator selected electrical specifications (v dd_h = 3.3 v, v dd_l = 1.8 v, v dd_d = 1.8 v, t a = 25 c) parameter test condition typ unit supply voltage 1.8 and 3.3 v total power consumption vhf bands | uhf bands 1.04 | 0.94 w rf input frequency range 42 to 1002 mhz noise figure* max gain 4.0 db wideband iip3* n18,36; max rf gain +23 dbm inband iip3* n1,2; max rf gain ?5 dbm lo phase noise at 860 mhz 125 hz | 250 hz | 1 khz | 10 khz | 100 khz ?83 | ?91 | ?96 | ?95 | ?104 dbc/hz lo integrated phase noise ? at 860 mhz dsb: 125 hz to 4 mhz 0.4 (?43) deg. rms (dbc) adjacent channel attenuation n1; rf input* to dlif output 80 db atv receiver sensitivity 30 db video snr; m/n | b/g, d/k | i | l/l? ?67.5 | ?67 | ?66 | ?68 dbm atv receiver unweighted video snr +1 dbm input level; m/n | b/g, d/k | i | l/l? 54 | 53.5 | 52.5 | 55 db dlif output center frequency channel bw = 6 mhz | 7 mhz | 8 mhz 4 to 7 | 4.5 to 6.5 | 5 to 6 mhz dlif differential output voltage swing programmable 0.5 to 2.0 v ppd *note: measured at the f-connector input of the si2173 reference design and includes all connector, pcb, and front-end circuit losses. pin assignments gnd_pad 31 32 33 3 4 5 6 34 35 7 8 36 rf_in alif_agc vdd_l vdd_h dlif_p gnd gnd gnd intb sif/af dlif_n gnd gnd rf_shld sda rf_shld rf_ip vdd_h gnd dlif_agc gpio2 gpio1 gnd 29 30 28 27 37 38 39 40 9 10 cvbs vdd_s gnd vdd_io 16 17 18 19 15 20 scl bclk addr rstb vdd_d gnd gnd gnd gnd xtal_o xout vdd_h xtal_i 25 26 24 23 21 22 11 12 13 14 1 2 6 x 6 mm qfn-40 package symbol min nom max unit a 0.80 0.85 0.90 mm d, e 6.00 bsc mm e 0.50 bsc mm selection guide part # description si2173 worldwide hybrid tv tuner with analog demodulator for ntsc, pal/secam, atsc/qam, dvb-t/t2/c, isdb-t/c, dtmb
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