SI47903/04/05/06 copyright ? 2015 by silicon laboratories 3.12.2015 arm cortex m3 xtali xtalo clko radio dsp-2 icp icn blend aout0 aout1 dclk/gp0 dfs/gp1 dout0 diclk0 difs0 din0 audio output port 0 audio input port 0 intb rstb nvsclk nvssb nvmosi nvmiso miso/a0 mosi/sda sclk/scl ssb/a1 smode spi/i 2 c flash interface vd va vio2 vio1 power supplies dac radio dsp lna lbi lbo b3i/wxi fmi fmo agc lna agc lna agc lna agc b3o ami amo amvag adc adc if agc dac debugp debugn isfsp isfsn zifiout zifclk zifqout ziffs SI47903/04/05/06 high-performance auto motive am/fm radio receiver and hd radio?/ dab/dab+/dmb/drm tuner features - worldwide fm band support (64?108 mhz) - worldwide am band support (520?1710 khz) - lw band support (144?288 khz) - sw band support (2.3?30 mhz) - dab/dab+/dmb support ? (170?240 mhz, 1452?1492 mhz) (si47905/06 only) - noaa weather band support (si47904/06 only) - on-chip soft-decision rds/rdbs demodulator/decoder - am/fm: - comprehensive am/fm signal ? processing firmware - integrated active am/fm buffers for ? background/data tuners - analog fm phase diversity with two, three or four ? tuners - fully integrated agc for am and fm inputs - hd radio (si47904/06 only): - digital i/q interface to hd radio processor - hd radio mrc with two, three, or four tuners - am/fm hd radio iboc blend - fast fm hd radio band scan - dab/dab+/dmb (si47905/06 only): - digital i/q interface to dab/dab+/dmb processor - dab/dab+/dmb mrc with two, three, or four ? tuners - integrated active band iii/l-band buffers for ? background/data tuners - fast dab/dab+/dmb band scan - fully integrated agc for band iii and l-band inputs - two analog audio outputs - two digital audio ports (i 2 s) - frequency synthesizer with fully integrated pll-vco - integrated clock oscillator - 1.8 v or 3.3 v digital io power supplies - 3.3 v analog power supply and 1.8 v digital power ? supply - qfn 48-pin, 7x7x0.85 mm - pb-free/rohs compliant - aeq-q100 qualified description the si4790x analog am/fm receiver and digital radio tuner sets a new standard for automotive broadcast reception. the si4790x is the most int egrated monolithic ic in the industry with the smallest external bill of materials. si4790x based systems can scale from low-cost single tuner am/ fm radio to highest performance systems with multiple tuners and multiple antennas, enabling the radio suppliers to reuse their r&d across multiple product lines, all with a common software api. the si4790x meets rigorous automotive quality standards. applications - automotive oem infotainment systems - aftermarket car radio systems
SI47903/04/05/06 copyright ? 2015 by silicon laboratories 3.12.2015 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. pin assignments package information zifclk 30 zifiout 31 isfsn 32 isfsp 33 debugn 34 debugp 35 dout0 36 fmo 8 amvag 7 ami 6 amo 5 fmi 4 lbi 3 b3i/wxi 2 dacref 1 b3o 10 lbo 9 f mosi/sda 21 sclk/scl 22 rstb 13 smode 14 nvmiso 15 nvmosi 16 nvssb 17 nvsclk 18 intb 19 miso/a0 20 xtali 48 xtalo 47 clko 46 aout1 45 aout0 44 icp 43 icn 42 difs0 41 diclk0 40 din0 39 vio2 27 ziffs 28 dclk/gp0 38 dfs/gp1 37 vd 25 dbyp 26 ssb/a1 23 vio1 24 va 12 abyp 11 f zifqout 29 dimensions min nom max a 0.80 0.85 0.90 a1 0.00 0.03 0.05 b 0.20 0.25 0.30 d 7.00 bsc. d2 5.20 5.30 5.40 e 0.50 bsc. e 7.00 bsc. e2 5.20 5.30 5.40 l 0.35 0.40 0.45 aaa ? ? 0.10 bbb ? ? 0.10 ccc ? ? 0.08 ddd ? ? 0.10 notes: 1. all dimensions shown are in millimeters (mm) unless otherwise noted. 2. dimensioning and tolerancing per ansi y14.5m-1994. 3. this drawing conforms to jedec outline mo-220, variation vjjd-2 4. recommended card reflow profile is per the jedec/ipc j-std-020 s pecification for small body components. SI47903/04/05/06 high-performance automotive am/fm radio receiver and hd radio? /dab/dab+/dmb/drm tuner
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