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PCM1791A Datasheet(PDF) 39 Page - Texas Instruments |
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PCM1791A Datasheet(HTML) 39 Page - Texas Instruments |
39 / 58 page PCM1791A SLES071A − MARCH 2003 − REVISED JANUARY 2004 www.ti.com 39 APPLICATION FOR DSD FORMAT (DSD MODE) INTERFACE SCK 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 13 14 PCM1791A RST VDD DGND AGNDF VCCR AGNDR VOUTR− VOUTR+ VCOM MSEL VOUTL− ZEROL ZEROR VCCF VCCL VOUTL+ AGNDC AGNDL LRCK 1 2 3 4 BCK DATA MUTE 28 27 26 25 MS MC MDI MDO VCCC Mode Control DATA-R DATA-L BIT Clock (n fS) Analog Output Stage (Same as Standard Application) Analog Output Stage (Same as Standard Application) DSD Decoder Figure 41. Connection Diagram in DSD Mode Feature This mode is used for interfacing directly to a DSD decoder, which is found in Super Audio CD t (SACD) applications. The DSD mode is available by programming the following bit in the corresponding control register: D DSD = 1 (register 20) The DSD mode provides a low-pass filtering function. The filtering is provided using an analog FIR filter structure. Four FIR responses are available, and are selected by the DMF[1:0] bits of control register 18. The DSD bit must be set before inputting DSD data; otherwise, the PCM1791A erroneously detects the TDMCA mode, and commands are not accepted through the serial control interface. Super Audio CD is a trademark of Sony Kabushiki Kaisha TA Sony Corporation, Japan. |
Similar Part No. - PCM1791A |
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Similar Description - PCM1791A |
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