si47901/02 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 si47901/02 high-performance automotive 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) (SI47902 only) - noaa weather band support - 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: - 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 (SI47902 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 si47901/02 analog am/fm receiver and digital radio tuner sets a new standard for automotive broadcast reception. the si47901/02 is the most int egrated monolithic ic in the industry with the smallest external bill of materials. si47901/02 based systems can scale from lowcost single tuner am/fm radio to highe st 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 si47901/02 meets rigorous automotive quality standards. applications - automotive oem infotainment systems - aftermarket car radio systems
si47901/02 copyright ? 2015 by silicon laboratories 3.12.2015 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. si47901/02 high-performance automotive am/fm radio receiver and hd radio?/dab/dab+/dmb/drm tuner
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