digital radio receiver copyright ? 2 015 by silicon laboratories 3.3.2015 peak detect power supply i2c / spi host interface flash interface si4622 hd radio demod/ decoder fm rds/ rbds adc adc pga pga peak detect mixer peak detect vhf lna rfref nvsclk nvssb nvmosi nvmiso sclk ssb miso mosi intb rstb gpiox vhfi pll/ clk xtali xtalo vco vio va vcore vmem vhf front-end control vhfsw SI4622-A10 high-performance, single-c hip fm hd-radio?/rds/rbds data receiver description the si4622 single-chip digital receiver is a 100% cmos digital radio broadcast receiver ic from silicon labs. it provides significant advances in size, power consumption, and performance to enable hd radio data services reception in auto motive infotainment systems and car radios. the si4622 hd radio data receiver offers a complete and cost-effective solution to support hd radio data services reception by integratin g a multiband rf tuner, demodulator, and channel decoder on a single die. the high level of integration a nd complete syst em production test simplifies design-in, in creases system quality, and improves reliability and manufacturability. the si4622 also supports worldwide fm radio reception and incorporates a fully-in tegrated decoder for the european radio data system (rds) and the north american radio broadcast data system (rdbs), including all required symbol decoding, block synchronization, error detection, and error correction functions. leveraging silicon laboratories' proven and patented digital low-intermediate-frequency (low-if) receiver architecture, the si4622 delivers superior rf performance and interference rejection. t he solution offers dynamic fm channel bandwidth control, aut o-calibrated digital tuning, and proven fm seek functionality based on multiple signal quality and band parameters. in addition, the si4622 provides an integrated clock oscillator or accepts a reference clock and supports a selectable control interface (spi or i 2 c). the si4622 receiver system specifies a minimal bill of materials and requires less than 100 mm 2 of pcb space, excluding the antenna inputs, making the solution ideal for toda y's infotainment systems. features - worldwide fm band support (76?108 mhz) - advanced rds / rbds decoder - fm hd radio channel decoder - advanced seek functionality - complete on-chip channel decode - station information servic e (sis) and program service data (psd) support - advanced application services (aas) payload for data applications - full range of analog and digital signal quality metrics - fully-integrated vco/pll synthesizer - fully-integrated advanced agc and alignment - spi, i 2 c control interfaces - no external ram required for channel decoding - flash memory interface for application program load - 7x7 mm 48-pin qfn package - pb-free/rohs compliant - aec-q100 qualified applications - oem automotive infotainment systems - aftermarket car radio systems - oem automotive pnd docking systems
digital radio receiver copyright ? 2 015 by silicon laboratories 3.3.2015 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 SI4622-A10 high-performance, single-ch ip fm hd-radio?/rds/rbds data receiver selected electrical specifications parameter symbol test condition min typ max unit input frequency f rf ? 76 ? 108 mhz analog supply voltage v a ? 1.71 1.8 2.0 v interface supply voltage v io ? 1.62 1.8 3.6 v core digital supply voltage v core ? 1.62 1.8 2.0 v memory supply voltage v mem ? 1.62 1.8 2.0 v SI4622-A10 dimension min nom max a 0.80 0.85 0.90 a1 0.00 0.02 0.05 b 0.18 0.25 0.30 d7.00 bsc d2 5.20 5.30 5.40 e0.50 bsc e7.00 bsc e2 5.20 5.30 5.40 l 0.30 0.40 0.50 aaa 0.15 bbb 0.10 ddd 0.05 eee 0.08 notes: 1. all dimensions are shown in m illimeters (mm) unless otherwise noted. 2. dimensioning and tolerancing per asme y14.5m-1994. 3. this drawing conforms to the jedec solid state outline mo-220, variation vkkd-4. 4. recommended card reflow profile is per the jedec/ipc j-std-020 specification for small body components.
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