proslic copyright ? 2011 by silicon laboratories 7.8.11 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 tipa n/c gpio2a / sringca gpio1a / stipca sringdca sringaca stipaca stipdca cappa capma svbata svdc rstb intb / dtxenb fsync sdithru psclk / pclk datao / dtx datai / drx sdcha sdcla dcdrva auxoi / dcffa auxdrv / dcffb dcdrvb sdclb sdchb vddd vddreg csb sclk sdo sdi svbatb capmb cappb iref stipdcb stipacb sringacb sringdcb gpio1b / stipcb gpio2b / sringcb vdda n/c tipb n/c ringb vbatb n/c baseb n/c n/c n/c n/c n/c bat_po basea vbata ringa epad 1 epad 2 spi control interface pcm/ gci interface dsp dtmf & tone gen programmable ac impedance and hybrid caller id ringing generator adc dac codec slic linefeed control linefeed monitor dc-dc controller line diagnostics pll pclk fsync drx dtx cs sdi sdo sclk int rst spi control interface pcm/ gci interface dsp dtmf & tone gen programmable ac impedance and hybrid caller id ringing generator adc dac codec dc-dc controllers line diagnostics pll pclk fsync drx dtx cs sdi sdo sclk int rst si32260/1 dac linefeed codec slic dac linefeed codec slic adc adc linefeed control linefeed monitor linefeed control linefeed monitor ring tip ring tip si32260/61 single-chip dual proslic? description the si32260/1 dual proslic? dev ices, in a single package, implement two complete foreign exchange station (fxs) telephony interfaces. the si32260/1 devices operate from a 3.3 v supply and have standard pcm/spi or gci bus digital interfaces. a pair of built-in dc-dc converter controller s can be used to automatically generate the optimal battery voltage required for each line-state, optimizing efficiency and mini mizing heat generation. the si32260/1 devices are designed to operate not only with a tracking battery supply for each channel for lowest power consumption, but also with shared battery supplies , for lowest cost. when used with shared battery supplies, the internal dc-dc controller operates in tracking shared supply (tss) mode to deliver power consumption lower than typical fixed voltage shared rail designs. self-testing and metallic loop testing (mlt) (e.g., gr-909) is facilitated by the built-in dsp, monitor adc, and test load. the devices are availabl e with linefeed voltage ratings of ?110 v (si32260) or ?140 v (si32261) to support high voltage ringing, and both devices support wideband audio for better-than-pstn voice quality. the si32260/1 devices are available in a 8 x 8 mm 60-pin qfn package. applications ? voip gateways and routers ? xdsl iads ? optical network terminals/units (ont/u) ? analog terminal adapters (ata) ? cable emta ? wireless fixed terminals (wft) ? wireless local loop (wll) ? wimax cpe ? private branch exchange (pbx) ? voip mdu gateways si32260/61 features ? two complete fxs channels in 8 x 8 mm ? performs all borscht functions ? ideal for short- or long-loop applications ? ultra low power consumption ? internal balanced or unbalanced ringing ? patented low power ringing ? adaptive ringing ? simplified configuration and diagnostics ?? supported by proslic api ?? gr-909 loop diagnostics ?? audio diagnostics with loopback ?? integrated test load ? wideband voice support ? on-hook transmission ? loop or ground start operation ? smooth polarity reversal ? pulse metering ? pcm and spi bus digital interfaces with programmable interrupts ? software-programmable parameters: ?? ringing frequency, amplitude, cadence, and waveshape ?? two-wire ac impedance ?? transhybrid balance ?? dc current loop feed (10?45 ma) ?? loop closure and ring trip thresholds ?? ground key detect threshold ? integrated dc-dc controllers wi th direct connection to mosfet ? three high voltage supply options ?? full tracking ?? tracking shared supplies ?? fixed rail ? dtmf generator/decoder ? a-law/-law companding, linear pcm ? gci/iom-2 mode support ? 3.3 v operation ? pb-free/rohs-compliant packaging
proslic copyright ? 2011 by silicon laboratories 7.8.11 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 si32260/61 single-chip dual proslic? selected electrical specifications ordering guide parameter symbol test condition min typical max unit ambient temperature t a f-grade 0 25 70 c g-grade ?40 25 85 c supply voltage v dd 3.13 3.3 3.47 v battery voltage v bat ?15 ? ?110/?140 v maximum loop resistance ? (loop + load) r loop i loop =18 ma, v bat = ?52 v ? ? 2000 ? dc differential output ? resistance r do i loop < i lim 160 ? 640 ? idle channel noise c-message weighted ? 8 12 dbrnc psrr from v dd rx and tx, dc to 3.4 khz ? 55 ? db longitudinal to metallic/pcm ? balance (forward or reverse) 200 hz to 1 khz 58 60 ? db 1 khz to 3.4 khz 53 58 ? db metallic/pcm to longitudinal balance 200 hz to 3.4 khz 40 ? ? db longitudinal impedance 200 hz to 3.4 khz at tip or ring ? 50 ? ? longitudinal current per pin active off-hook 200 hz to 3.4 khz ? 25 ? ma dc feed current ? ? 45 ma 2-wire return loss 200 hz to 3.4 khz 26 30 ? db transhybrid balance 300 hz to 3.4 khz 26 30 ? db thermal resistance (qfn-60) ja ? 42 ? c/w fxs pin description max vbat temperature SI32260-C-FM dual fxs, wideband capable ?110 v 0 to 70 c si32260-c-gm dual fxs, wideband capable ?110 v ?40 to 85 c si32261-c-fm dual fxs, wideband capable ?140 v 0 to 70 c si32261-c-gm dual fxs, wideband capable ?140 v ?40 to 85 c *note: adding the suffix "r" to the part number (e.g., si32261-c-fmr) denotes tape and ree package information 60-pin qfn c d d2 d3 e b 8.00 bsc 7.50 bsc min typ max mm 0.20 0.25 0.30 a 0.60 0.65 0.70 e e2 6.35 6.40 6.45 e3 e4 2.46 2.51 2.56 0.25 0.30 0.35 6.35 6.40 6.45 0.50 bsc 8.00 bsc 7.50 bsc e5 3.34 3.39 3.44 l 0.35 0.40 0.45 l1 0.05 0.10 0.15 aaa 0.15 bbb 0.15 ccc 0.10 ddd 0.10
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