digital tv tuner copyright ? 2014 by silicon laboratories 9.29.2014 i adc q adc 0 / 90 low-if freq synth ldo output interface xosc xtal_i pga control interface xtal_o xout SI2141 antenna input gpio 3.3 v 1.8 v dsp filter agc dtv demod av soc addr scl sda lif if agc rf agc pga 1.8 v 6 l : r u o g z l g h ' l j l w d o 7 9 7 x q h u ' h v f u l s w l r q the SI2141 is the industry's most advanced digital tv tuner supporting all worldwide terrestrial and cable tv standards for digital tv reception. leveraging five generations of field-proven digital tv tuner technology, the SI2141 delivers the same or better rf performance as silicon labs' si2147 digital tv tuner while further reducing footprint size and bill of materials cost. available in an industry-leading 3x3 mm qfn package, the SI2141 eliminates the need for an external balun, lnas, saw filters, and inductive power supply filtering to deliver the lowest-cost, most design-friendly and area-efficient solution available today. while competing solutions may also eliminate the balun, they suffer degradation in nf and second-order distortion, compromising reception. a fully-integrated 1.8 v ldo enables single supply operation, while a dual supply option offers additional system flexibility. increased immunity to lte interference and a harmonic rejection mixer with outstanding immunity to wi-fi interference eliminate th e need for external filtering. for advanced digital broadcast standards with high-order constellations, such as dvb-t2 and dvb-c2, the superior integrated phase noise of the SI2141 provides several db of improved reception performance compared to competing solutions. additionally, a software-selectable cable mode offers optimized return loss. the SI2141 delivers exceptional picture quality and a higher number of received stations when compared to other silicon tuners. incorporating worldwide field experience from five prior digital tuner generations in mass production, the SI2141 delivers the highest tolerance to real-world reception conditions. features - worldwide digital tv tuner - atsc/qam, dvb-t2/t/c2/c, isdb-t/c, dtmb - 1.7 mhz, 6 mhz, 7 mhz, 8 mhz, and 10 mhz chan- nel bandwidths - industry-leading margin to a/74, nordig, d-book, c-book, arib, en55020, opencable?, dtmb - lowest bom for a silicon digital tv tuner - no balun - no saw filters or wire-wound inductors - integrated lnas and complete tracking filters - best-in-class real-world reception - industry-leading phase noise performance - high immunity to wi-fi and lte interference - low power consumption - 3.3 v and 1.8 v power supplies - integrated 1.8 v ldo for 3.3 v single-supply ? operation - single lif output to soc and/or demodulator - standard cmos process technology - smallest footprint for a silicon digital tv tuner - 3x3 mm, rohs-compliant 24-pin qfn applications - digital ?-nim tuner module - idtv (integrated digital tv) - digital terrestrial and cable stb - digital pvr, dvd and blu-ray disc recorder - pc-tv accessories
digital tv tuner copyright ? 2014 by silicon laboratories 9.29.2014 silicon laboratories and silicon labs are trademarks of silicon laboratories inc. other products or brandnames mentioned her ein are trademarks or registered tr ademarks of their respective holders SI2141 worldwide digital tv tuner selected electrical specifications (v ddh = 3.3 v, v ddl = 1.8 v, t a = 25 c) parameter test condition typ unit supply voltage 1.8 and 3.3, or only 3.3 v total power consumption external 1.8 v supply 494 mw rf input frequency range 42 to 1002 mhz nf, terrestrial* vhf-l1 (42C103 mhz) 3.6 db vhf-l2 (104C198 mhz) 2.3 db vhf-h (199C470 mhz) 3.0 db uhf (471C870 mhz) 3.2 db return loss* terrestrial mode 3 db cable mode 8 db out-of-band iip3* vhf-h, n18, 36 +5 dbm in-band iip3* vhf-h, n1, 2 C6 dbm lo phase noise at 860 mhz 1 khz ? 10 khz ? 100 khz ? 1 mhz C100 ? C100 ? C105 ? C132 dbc/hz lo integrated phase noise at 860 mhz dsb: 125 hz to 4 mhz offset 0.25 (C47) ? rms (dbc) lif output center frequency channel bw = 6 mhz ? 7 mhz ? 8 mhz 4 to 7 ? 4.5 to 6.5 ? 5 to 6 mhz lif differential output voltage programmable 0.5 to 2.0 vppd *note: includes all connector, pcb and front-end circuit losses at the f-connector input of the SI2141 evb. selection guide part # description SI2141 worldwide digital tv tuner for atsc /qam, dvb-t2/t/c2/c, isdb-t/c, dtmb pin assignments ? 1 2 7 8 9 10 11 12 13 20 19 18 gnd pad lif_p lif_n vddh gnd vddl xout xtal_i xtal_o gnd vddh vddh rf_ref rf_ip gnd rf_in nc addr gpio1 17 16 15 14 3 4 5 6 21 22 24 23 agc2 gnd scl sda gpio2 agc1 [ p p 4 ) 1 3 d f n d j h , q i r u p d w l r q ? a 0.80 0.85 0.90 mm d, e 3.00 bsc mm e 0.40 bsc mm e1 0.45 bsc mm j, k 1.60 1.70 1.80 mm
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