AD1878
FEATURES
Fully Differential Dual Channel Analog Inputs 103 d B Signal-to-Noise (AD1879 typ)
- 98 d B THD+N (AD1879 typ) 0.001 d B Passband Ripple and 115 d B Stopband Attenuation Fifth-Order, 64 Times Oversampling ⌺⌬ Modulator Single Stage, Linear Phase Decimator 256 ؋ FS Input Clock APPLICATIONS Digital Tape Recorders Professional, DCC, and DAT A/V Digital Amplifiers CD-R Sound Reinforcement PRODUCT OVERVIEW
LRCK BCK S0 64/32 DV
High Performance 16-/18-Bit ⌺⌬ Stereo ADCs AD1878/AD1879-
FUNCTIONAL BLOCK DIAGRAM
1 2 3 4 5 6 7 8 9 ANALOG CHIP D
SERIAL OUTPUT INTERFACE DIGITAL CHIP SINGLE-STAGE, 4k-TAP FIR DECIMATION FILTER SINGLE-STAGE, 4k-TAP FIR DECIMATION FILTER
28 27 26 25
WCK DATA CLOCK S1
24 RESET 23 22 DGND DVDD AVSS1 AV AV
DD DD
DGND NC AV 1
21 20 19 18 17 16 15
AVSS2
2 1
AGND 10
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...
