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SM5956AF Datasheet(PDF) 2 Page - Nippon Precision Circuits Inc |
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SM5956AF Datasheet(HTML) 2 Page - Nippon Precision Circuits Inc |
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2 / 27 page  SM5956A SEIKO NPC CORPORATION —2 FEATURES Interfaces I Input data format • 2s-complement, MSB-first, L/R alternating serial IIS/non-IIS formats I Input word length • 16/20/24-bit I Output data format • 2s-complement, MSB-first, L/R alternating serial IIS/non-IIS format • Continuous bit clock (64fso/48fso) I Output word length • 16/20/24-bit Structure I Silicon-gate CMOS process Applications I Sample rate conversion between digital audio equipment (AV amplifiers, CD-R/RW, MD, DVC etc.) I Sample rate conversion in commercial record- ing/editing equipment Converter Performance I Internal data word length: 20 bits I Deemphasis filter characteristics (IIR filter) • Gain deviation from ideal filter characteristic: ± 0.03dB I Anti-aliasing LPF characteristics • Passband ripple: ± 0.0001dB • Stopband attenuation: > 98dB I Converter noise levels • Internal calculation noise: ≤ −96dB • Output round-off noise: 16-bit output mode : −98dB 20-bit output mode : −122dB 24-bit output mode : −146dB Format IMOD1 IMOD0 IIS L L MSB-first left-justified L H MSB-first right-justified H L MSB-first right-justified H H Input word length IWL1 IWL0 16 bits L L 20 bits L H 24 bits H L 24 bits H H Format OMOD1 OMOD0 IIS L L MSB-first left-justified L H MSB-first right-justified H L MSB-first right-justified H H Output word length OWL1 OWL0 16 bits L L 20 bits L H 24 bits H L 24 bits H H Combined theoretical S/N Output word length Input word length 16 bits 20 bits 24 bits 16 bits −92.3dB −94.0dB −94.0dB 20 bits −94.0dB −96.0dB −96.0dB 24 bits −94.1dB −96.1dB −96.2dB |
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