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| SM5816AF 6-channel DSD-PCM Converter Preliminary Product Bulletin OVERVIEW The SM5816AF is a 6-channel DSD data to 6-channel 8fs or 2fs PCM data converter IC. During conversion, decimation filtering is performed using a filter with selectable fixed coefficients (4 sets) or optional filter coefficients that are written to the built-in RAM. Also, DSD input/outputs and PCM outputs are available for use in master/slave mode operation, in a wide range of system configurations, making it easy to construct a multichannel DSD/PCM reproduction system. FEATURES I I PINOUT Top view VSS6 EXMCK EXID1 EXID2 EXILRCK EXIBCK TEST3 TEST2 MCK VDD5 VSS5 CKOUT TEST1 F2FLREX1 F2CSWEX2 F2SLR F2LRCK F2BCK FMT2FS VDD4 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 I I I I I I I I I I I I I 512fs master clock (22.5792MHz, fs = 44.1kHz) DSD inputs connected directly to outputs in through mode Clock master/slave switching for DSD input/outputs and PCM outputs 2-system external data inputs (3-wire), with 2fs output data BCK and LRCK pins switchable between external inputs and internal filter outputs Decimation filter characteristics * Fixed coefficients: 4 sets (8fs), 1 set (2fs) * Writable coefficients: 1 set Dither rounding function in 8fs/24-bit output mode only, with switchable ON/OFF and summing position Mute operation 8fs output format: [MSB-first left-justified 32-bit] or [MSB-first right-justified 24-bit] 2fs output format: [MSB-first left-justified 32-bit] or [IIS 32-bit] +6dB DSD gain switching function System clock output switchable between external system clock and internal system clock 3.3V 10% supply voltage 5V tolerant inputs for direct connection to 5V logic inputs -20 to 70C operating temperature range 80-pin QFP package VDD6 DSBCKF DSIFL DSIFR DSICT DSISW DSISL DSISR DIRDSCK1 DIRDSCK2 SELRAM SELFIR1 SELFIR2 XMTPCM XMTDSD SEL8FS SELEXT SYNC INIT VSS7 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 VSS4 DIR2CK SELDH1 SELDH2 F8FL F8FR F8CT F8SW F8SBL VDD3 VSS3 F8SBR F8SL F8SR F8WCK F8BCK FMT8WCK FMT8FS DIR8CK VDD2 PACKAGE DIMENSIONS (Unit: mm) APPLICATIONS I 14 0.4 12 0.1 I Multi-channel SACD players SACD-compatible AV amplifiers VDD1 MSHIFT MLATCH MDATA DSGAIN SELSBSW SELSBR SELMCU MONTOR VSS1 DSBCKB DSOSR DSOSL DSOSBR DSOSBL DSOSW DSOCT DSOFR DSOFL VSS2 14 0.4 12 0.1 0.5 1.7max 0.1 0.18 0.05 1.4 0.1 0.05 0.125 0.025 0 to 10 0.1 0.5 0.2 NIPPON PRECISION CIRCUITS INC.--1 SM5816AF PIN DESCRIPTION No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Name VDD1 MSHIFT MLATCH MDATA DSGAIN SELSBSW SELSBR SELMCU MONTOR VSS1 DSBCKB DSOSR DSOSL DSOSBR DSOSBL DSOSW DSOCT DSOFR DSOFL VSS2 VDD2 DIR8CK FMT8FS FMT8WCK F8BCK F8WCK F8SR F8SL F8SBR VSS3 VDD3 F8SBL F8SW F8CT F8FR F8FL SELDH2 SELDH1 I/O - I I I I I I I O - I/O O O O O O O O O - - I I I I/O I/O O O O - - O O O O O I I Supply pin 1 Serial control shift clock Serial control latch clock Serial control command data DSD signal gain set DSD-SW input to DSD 8fs-SW/(SBL, SBR) output select DSD 8fs-(SBL, SBR) output select Control method select Parameter change monitor output Ground pin 1 DSD through-mode data output: bit clock DSD through-mode data output: surround right-channel DSD through-mode data output: surround left-channel DSD through-mode data output: surround back right-channel DSD through-mode data output: surround back left-channel DSD through-mode data output: subwoofer-channel DSD through-mode data output: centerchannel DSD through-mode data output: front right-channel DSD through-mode data output: front left-channel Ground pin 2 Supply pin 2 8fs output F8BCK, F8WCK I/O select 8fs PCM format (MSB first) 8fs PCM WCK format 8fs PCM BCK (bit clock) 8fs PCM WCK (word clock) 8fs PCM data output: surround rightchannel 8fs PCM data output: surround leftchannel 8fs PCM data output: surround back right-channel Ground pin 3 Supply pin 3 8fs PCM data output: surround back leftchannel 8fs PCM data output: subwoofer-channel 8fs PCM data output: center-channel 8fs PCM data output: front right-channel 8fs PCM data output: front left-channel Output dither rounding ON/OFF and summing position select 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 F2FLREX1 TEST1 CKOUT VSS5 VDD5 MCK TEST2 TEST3 EXIBCK EXILRCK EXID2 EXID1 EXMCK VSS6 VDD6 DSBCKF DSIFL DSIFR DSICT DSISW DSISL DSISR DIRDSCK1 DIRDSCK2 SELRAM SELFIR1 SELFIR2 XMTPCM XMTDSD SEL8FS SELEXT SYNC INIT VSS7 O I O - - I I I I I I I I - - I/O I I I I I I I I I I I I I I I I I - Description No. 39 40 41 42 43 44 45 46 Name DIR2CK VSS4 VDD4 FMT2FS F2BCK F2LRCK F2SLR F2CSWEX2 I/O I - - I I/O I/O O O Description 2fs output F2BCK, F2LRCK I/O select Ground pin 4 Supply pin 4 2fs PCM format 2fs or external data BCK 2fs or external data LRCK 2fs PCM data output: surround left/rightchannel 2fs PCM data output: center/subwooferchannel or external data 2 output 2fs PCM data output: front left/rightchannel or external data 1 output Test pin 1 System clock output Ground pin 5 Supply pin 5 Master clock input: 512fs Test pin 2 Test pin 3 External PCM data BCK input External PCM data LRCK input External PCM data input 2 External PCM data input 1 External system clock input Ground pin 6 Supply pin 6 DSD data input bit clock DSD data input: front left-channel DSD data input: front right-channel DSD data input: center-channel DSD data input: subwoofer-channel DSD data input: surround left-channel DSD data input: surround right-channel DSBCKF I/O select DSBCKB I/O select FIR coefficient ROM/RAM select FIR coefficient (ROM) select PCM output mute control input DSD output mute control input PCM output rate select 2fs output/external data output select Forced sync pint Initialization control pin Ground pin 7 NIPPON PRECISION CIRCUITS INC.--2 SM5816AF BLOCK DIAGRAM 6ch DSD 6ch DSD IN PCM 8fs PCM MUTE 2fs PCM MUTE DSD MUTE 8fs OUT I/F 2fs OUT I/F DSD OUT I/F 6ch+ 8fs OUT DECIMATION FIR FILTER & DOWN-SAMPLING 6ch 2fs OUT CPU I/F MCK CLOCK GENERATOR 6ch+ DSD OUT TYPICAL APPLICATION CIRCUITS Surround Processor 2fs-32bit/IIS Multi-channel SACD Decoder CXD2752R DSD-PCM converter SM5816 DSP (Surround Processing etc.) Analog LPF DAC DSD-to-PCM Conversion Reproduction 8fs-24bit/32bit Multi-channel SACD Decoder CXD2752R DSD-PCM converter SM5816 8fs Processing (Volume etc.) Analog LPF DAC NPC DSD-Related Products I SM5866AS: DSD/PCM-compatible multi-level D/A converter NIPPON PRECISION CIRCUITS INC.--3 SM5816AF Preliminary Product Bulletin NIPPON PRECISION CIRCUITS INC. reserves the right to make changes to the products described in this data sheet in order to improve the design or performance and to supply the best possible products. Nippon Precision Circuits Inc. assumes no responsibility for the use of any circuits shown in this data sheet, conveys no license under any patent or other rights, and makes no claim that the circuits are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Nippon Precision Circuits Inc. makes no claim or warranty that such applications will be suitable for the use specified without further testing or modification. The products described in this data sheet are not intended to use for the apparatus which influence human lives due to the failure or malfunction of the products. Customers are requested to comply with applicable laws and regulations in effect now and hereinafter, including compliance with export controls on the distribution or dissemination of the products. Customers shall not export, directly or indirectly, any products without first obtaining required licenses and approvals from appropriate government agencies. NIPPON PRECISION CIRCUITS INC. 4-3, Fukuzumi 2-chome, Koto-ku, Tokyo 135-8430, Japan Telephone: +81-3-3642-6661 Facsimile: +81-3-3642-6698 http://www.npc.co.jp/ Email: sales@npc.co.jp NP0108AE 2001.08 NIPPON PRECISION CIRCUITS INC.--4 |
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