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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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SM5950AM bảng dữ liệu(PDF) 2 Page - Nippon Precision Circuits Inc |
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SM5950AM bảng dữ liệu(HTML) 2 Page - Nippon Precision Circuits Inc |
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2 / 20 page  SM5950AM NIPPON PRECISION CIRCUITS INC.—2 FEATURES Interfaces I Input data format • 2s-complement, MSB-first, L/R alternating serial data • IIS/non-IIS formats L = Low input level, H = high input level I Output data format • 2s-complement, MSB-first, L/R alternating serial data • Bit clock continuous (64fso) L = Low input level, H = high input level Structure I Silicon-gate CMOS process Applications I Digital audio equipment-interface sample rate conversion • AV amplifier, CD-R/RW, DAT, MD, DVC I Recording/editing equipment sample rate conver- sion Converter Performance I Internal data word length: 20 bits I Deemphasis filter characteristics (IIR filter) • ± 0.03dB gain deviation from ideal filter char- acteristic I Anti-aliasing LPF characteristics (6 types of FIR filter) • Output/input sample rate conversion ratio auto- matic filter select (6 FIR filters) 1. Up converter LPF 1.0 to 2.205 times 2. Down converter LPF I about 0.92 times: 48.0kHz to 44.1kHz 3. Down converter LPF II about 0.73 times: 44.1kHz to 32.0kHz 4. Down converter LPF III about 0.67 times: 48.0kHz to 32.0kHz 5. Down converter LPF IV about 0.50 times: 96.0kHz to 48.0kHz 6. Down converter LPF V about 0.45 times: 96.0kHz to 44.1kHz - Passband ripple: ± 0.0001dB - Stopband attenuation: > 98dB I Converter insertion quantization noise level • Internal calculation (quantization) noise : ≤ – 96dB • Output round-off noise: - 16-bit output mode : – 98dB - 20-bit output mode : – 122dB - 24-bit output mode : – 146dB • Output S/N ratio (theoretical values) Format IMOD0 IMOD1 IISI 16-bit MSB-first right-justified L L L 20-bit MSB-first right-justified H L L 24-bit MSB-first right-justified L H L MSB-first left-justified (leading 16 bits valid data) HH L IIS (leading 16 bits valid data) H or L H or L H Format OMOD0 OMOD1 IISO 16-bit MSB-first right-justified L L L 20-bit MSB-first right-justified H L L 24-bit MSB-first right-justified L H L MSB-first left-justified (16-bit output) H H L IIS (16-bit output) H or L H or L H Output signal word length S/N ratio 16-bit input 20-bit input 24-bit input 16 bits – 92.5dB – 94.0dB – 94.0dB 20 bits – 93.9dB – 96.2dB – 96.2dB 24 bits – 93.9dB – 96.2dB – 96.2dB |
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