PRODUCT OVERVIEW
The AD1871 is a stereo audio ADC intended for digital audio applications requiring high performance analog-to-digital conversion. It features two 24-bit conversion channels each with programmable gain amplifier (PGA), multibit sigma-delta modulator, and decimation filters. Each channel provides 105 db of dynamic range, making the AD1871 suitable for applications such as digital audio recorders and mixing consoles.

FEATURES
5.0 V Stereo Audio ADC with 3.3 V Tolerant Digital Interface
Supports 96 kHz Sample Rates
Supports 16-/20-/24-Bit Word Lengths
Multibit Sigma-Delta Modulators with “Perfect Differential Linearity Restoration” for Reduced Idle Tones and Noise Floor
105 dB (Typ) Dynamic Range
Supports 256/512 and 768 fS Master Clocks
Flexible Serial Data Port
Allows Right-Justified, Left-Justified, I2S Compatible and DSP Serial Port Modes
Cascadable (up to Four Devices) from a Single DSP SPORT
Device Control via SPI Compatible Serial Port or Optional Control Pins
On-Chip Reference
28-Lead SSOP Package

APPLICATIONS
Professional Audio
Mixing Consoles
Musical Instruments
Digital Audio Recorders, Including
CD-R, MD, DVD-R, DAT, HDD
Home Theater Systems
Automotive Audio Systems
Multimedia