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SM5876AM Datasheet(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM5876AM Datasheet(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 17 page SM5876AM NIPPON PRECISION CIRCUITS—1 NIPPON PRECISION CIRCUITS INC. 3rd-order Σ∆, 2-channel D/A Converter OVERVIEW The SM5876AM is a 3rd-order Σ∆, 2-channel D/A converter LSI for CD-ROM digital audio reproduc- tion equipment. It incorporates an 8-times oversam- pling digital filter, deemphasis filter, attenuator, and soft mute circuits built-in., using NPC’s Molybde- num-gate CMOS technology. The SM5876AM operates from a 2.7 to 5.5 V supply, and is available in 24-pin SSOPs. FEATURES s System clock • 768fs (33.8688MHz) • 384fs (16.9344MHz) s Crystal oscillator circuit built-in s Infinity-zero detector circuit built-in s MSB first, rear-packed serial data input format ( ≤ 64fs bit clock) s 8-times oversampling digital filter • 32 dB stopband attenuation • ±0.05 dB passband ripple • −0.34 dB passband correction for 70 kHz LPF s 3-line microcontroller interface for output mode and attenuator control settings s 16 output modes s Deemphasis filter operation • 36 dB stopband attenuation • −0.09 to +0.23 dB deviation • −0.34 dB passband correction for 70 kHz LPF s Attenuator • 8-bit attenuator (linear 256 steps) • Independent left/right-channel set function • Soft mute function (approx. 1024/fs mute time) s Σ∆ 2-channel D/A converter • 3rd-order noise shaper • 32fs oversampling s 44.1 kHz sampling frequency s 2.7 to 5.5 V operating supply voltage range (4.5 to 5.5 V operating supply voltage range with 768fs system clock) s 24-pin SSOP s Molybdenum-gate CMOS process PINOUT PACKAGE DIMENSIONS Unit: mm 24-pin SSOP MLEN CKSL CKO DVSS BCKI DI DVDD MCK MDT RSTN MUTEO XVSS XTO XTI LRCI XVDD TSTN LO AVDDL RO AVDDR RON LON AVSS 1 12 13 24 0.7 0.8 0.36 0.10 10.20 0.30 10.05 0.20 0.15 + 0.1 − 0.05 010 0.50 0.20 |
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