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SM5878AV Fiches technique(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM5878AV Fiches technique(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 16 page SM5878AM/AV NIPPON PRECISION CIRCUITS—1 NIPPON PRECISION CIRCUITS INC. 3rd-order Σ∆, 2-channel D/A converter OVERVIEW The SM5878AM/AV is a 3rd-order Σ∆, 2-channel D/A converter LSI for digital audio reproduction equipment. It also incorporates an 8-times oversampling digital filter and analog, post-converter lowpass filters. The SM5878AM/AV has digital deemphasis filter, attenuator, and soft mute circuits built-in. Double- speed operation and low-voltage operation are also supported. SM5878AM/AV D/A converter incorporates 3rd- order ∑∆ modulator and DEM (Dynamic Element Mating) circuits for high performance, even in the presence of clock jitter. The SM5878AM/AV operates from a 4.5 to 5.5 V supply, and is available in 24-pin SSOP or VSOPs. FEATURES s 4.5 to 5.5 V operating supply voltage range s 44.1 kHz sampling frequency s Normal (384fs) and double-speed (192fs), 16.9344 MHz system clock s 16.9344 MHz crystal oscillator circuits built-in s 16-bit, 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 s Deemphasis filter operation • 36 dB stopband attenuation • −0.09 to +0.23 dB deviation from ideal deemphasis filter characteristics s Attenuator • 6-bit attenuator (64 steps) • Soft mute function when MODE is HIGH (approx. 1024/fs total muting time) s Built-in infinity-zero detector s Σ∆ 2-channel D/A converter • 3rd-order noise shaper • 32fs oversampling (16fs for double-speed mode) s 2nd-order analog, post-converter lowpass filters built-in s 24-pin SSOP/VSOP s Molybdenum-gate CMOS process PINOUT ORDERING INFORMATIONS DEVICE PACKAGE SM5878AM 24 - pin SSOP SM5878AV 24 - pin VSOP 1 MUTE 2 DEEM 3 CKO 4 DVSS 5 BCKI 6 DI 7 DVDD 8 LRCI 9 TSTN 10 TO1 11 AVDDL 12 LO 13 AVSS 14 RO 15 AVDDR 16 MUTEO 17 XVDD 18 XTI 19 XTO 20 XVSS 21 DS 22 RSTN 23 MODE 24 ATCK |
Numéro de pièce similaire - SM5878AV |
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Description similaire - SM5878AV |
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