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SM5819AF Fiches technique(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM5819AF Fiches technique(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 18 page SM5819AF SEIKO NPC CORPORATION —1 6-channel DSD-PCM Converter OVERVIEW The SM5819AF is a 6-channel DSD data (64fs) to 4fs, 2fs or fs PCM data converter. During conversion, deci- mation filtering is performed using a filter with selectable fixed coefficients (3 sets). Also, DSD inputs and PCM outputs are available for use in master/slave clock mode operation, in a wide range of system configura- tions, making it easy to construct a multi-channel DSD/PCM reproduction system. FEATURES I 512fs (22.5792MHz, fs = 44.1kHz), 1:2 to 2:1 duty master clock I DSD input and PCM output clock master/slave switching I 3-system external data input (3-wire format), PCM output data/BCK/LRCK external input and internal filter output switching (BCK and LRCK are common to all 3 external PCM data inputs) I Decimation filter coefficients • Fixed coefficients: 4fs-1/2fs-1/fs-1 I PCM output mute operation I PCM output format: [MSB-first left-justified 32- bit] or [IIS 32-bit] (IIS 32-bit output bit clock frequency = 64 × word clock frequency) I FIR filter coefficients • 64fs → 4fs/2fs/fs: 480th-order (6-channel) • ROM coefficients: 24 valid data bits (4-bit MSB extension at 4fs, 5-bit MSB extension at 2fs/fs) I + 6dB DSD gain switching function I External/Internal system clock output switching I 3.3V (3.0 to 3.6V) and 2.5V (2.3 to 2.7V) power supplies I − 40 to 85°C operating temperature range I 48-pin QFP package APPLICATIONS I Multi-channel SA-CD players I SA-CD-compatible AV amplifiers ORDERING INFORMATION PINOUT (Top view) PACKAGE DIMENSIONS (Unit: mm) Device Package SM5819AF 48 -pin QFP 13 14 15 16 17 18 19 20 21 22 23 24 37 38 39 40 41 42 43 44 45 46 47 48 VDDL DIRPCK FMTPCM VSS MCKOUT VDDH PBCK PLRCK POSLR POCSW POFLR VSS VDDL DSBCK DSIFL DSIFR DSICT DSISW DSISL DSISR DIRDSCK SYNC INIT VSS 9 ± 0.4 7 ± 0.1 0.125 − 0.025 + 0.075 0.5 0 ~ 10 0.18 − 0.05 + 0.09 0.08 |
Numéro de pièce similaire - SM5819AF |
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Description similaire - SM5819AF |
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