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CS4226 Datasheet(PDF) 10 Page - Cirrus Logic |
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CS4226 Datasheet(HTML) 10 Page - Cirrus Logic |
10 / 37 page CS4226 10 DS188F4 +5V Supply Ferrite Bead + 1 µF 0.1 µF 19 2.0 Ω + 1 µF 0.1 µF 40 VA+ VD+ AGND1, 2 DGND1, 2 FILT XTO XTI RFILT CFILT CRIP 17 C1** C2** 29 28 39 41 20 18 21 * Optional if analog inputs biased to within 1% of CMOUT AOUT1 22 AOUT2 23 AOUT3 24 AOUT4 25 AOUT5 26 AOUT6 3 4 6 5 Microcontroller SCL/CCLK SDA/CDOUT AD0/CS AD1/CDIN 34 33 32 36 Audio DSP SDIN1 SDIN2 SDIN3 SDOUT1 35 37 38 31 30 SDOUT2 LRCK SCLK CLKOUT OVL/ERR RS R S 16 15 10 µF 1 µF CMOUT 14 10 µF To Optional Input and Output Buffers AIN1L 13 10 µF AIN1R 11 10 µF AIN2L/FREQ0 12 10 µF AIN2R/FREQ1 10 10 µF AIN3L/AUTODATA 9 10 µ F AIN3R/AUDIO 42 RX1 1 44 43 DATAUX/RX4 LRCKAUX/RX3 SCLKAUX/RX2 RS RS AINAUX Digital Audio Source 8 PDN 7 I C/SPI Mode Setting 2 All unused analog inputs should be left floating. CS4226 2 HOLD/RUBIT 27 DEM ANALOG FILTER ANALOG FILTER ANALOG FILTER ANALOG FILTER ANALOG FILTER ANALOG FILTER * * * * * * * R ** X1 R ** X2 ** RX1 RX2 C2 C1 40 pF 40 pF 10 pF 40 pF 300 k Ω short 10 M Ω open 1xFs 256, 384, 512xFs + R = 50 Ω S R = 475 Ω D RS RS RS RS 100 pF RS RS RD RD RD All unused digital inputs should be tied to DGND. CFILT RFILT CRIP 15 nF 43 k Ω 1.5 nF 180 nF 3.3 k Ω 18 nF Normal High Loop Current 100 pF 100 pF 100 pF † † † † † Only needed when inputs are used for S/PDIF. Figure 1. Recommended Connection Diagram |
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