OVERVIEW
The SM5879AV is a 3rd-order ∑∆, two-channel D/A convertor LSI for digital audio reproduction equipment. This device incorporate NPCs molybdenumgate CMOS technology and incorporates an 8-times oversampling digital filter and analog 3rd-order ∑∆ post-converter low-pass filters.

FEATURES
■ 2.7 to 3.3 V operating supply voltage
■ 44.1 kHz sampling frequency
■ 16.9344 MHz (384fs) system clock
■ Built-in crystal oscillator circuit
■ 16-bit, MSB first, rear-packed serial data input format (≤ 64 fs bit clock)
■ 8-times oversampling digital filter
    • 32 dB stopband attenuation
    • +0.05 to -0.05 dB passband ripple
■ Deemphasis filter operation
    • 36 dB stopband attenuation
    • -0.09 to +0.23 dB deviation from ideal deemphasis filter characteristics
■ Attenuator
    • 7-bit attenuator (128 steps) set by microcontroller
■ Soft mute function set by parallel setting
    • (approximately 1024/fs total muting time)
■ Mono setting
    • Left or right channel mono selectable by microcontroller
■ Built-in infinity-zero detection circuit
■ ∑∆, two-channel D/A converter
    • 3rd-order noise shaper
    • 32fs oversampling
■ Built-in 3rd-order post-converter low-pass filters
■ 24-pin VSOP package
■ Molybdenum-gate CMOS process