PRODUCT OVERVIEW

The AD1879 is a two-channel, 18-bit oversampling ADC based on ∑∆ technology and intended primarily for digital audio applications. The AD1878 is identical to the 18-bit AD1879 except that it outputs 16-bit data words. Statements in this data sheet should be read as applying to both parts unless otherwise noted.

FEATURES

Fully Differential Dual Channel Analog Inputs

103 dB Signal-to-Noise (AD1879 typ)

–98 dB THD+N (AD1879 typ)

0.001 dB Passband Ripple and 115 dB Stopband Attenuation

Fifth-Order, 64 Times Oversampling ΣΔ Modulator

Single Stage, Linear Phase Decimator

256 x FS Input Clock

APPLICATIONS

Digital Tape Recorders Professional, DCC, and DAT

A/V Digital Amplifiers

CD-R

Sound Reinforcement