AD1836

PRELIMINARY TECHNICAL DATA a Preliminary Technical Data FEATURES 5 V Multichannel Audio System Accepts 16-/18-/20-/24-Bit Data Supports 24 Bits and 96 kHz Sample Rate Multibit Sigma-Delta Modulators with Data Directed Scrambling Data-Directed Scrambling ADCs and DACs—Least Sensitive to Jitter Differential Output for Optimum Performance ADCs: –92 dB THD + N, 105 dB SNR and Dynamic Range DACs: –95 dB THD + N, 108 dB SNR and Dynamic Range On-Chip Volume Control with “Autoramp” Function Programmable Gain Amplifier for ADC Input Hardware and Software Controllable Clickless Mute Digital De-Emphasis Processing Supports 256 ؋ fS, 512 ؋ fS, or 768 ؋ fS Master Clock Power-Down Mode Plus Soft Power-Down Mode Flexible Serial Data Port with Right-Justified, LeftJustified, I2S-Compatible and DSP Serial Port Modes TDM Interface Mode Supports 8 In/8 Out Using a Single SHARC ® SPORT 52-Lead MQFP (PQFP) Plastic Package Multichannel 96 kHz Codec AD1836 APPLICATIONS Home Theatre Systems Automotive Audio Systems DVD Set-Top Boxes Digital Audio Effects Processors GENERAL DESCRIPTION The AD1836 is a high-performance, single-chip codec providing three stereo DACs and two stereo ADCs using ADI’s patented multibit sigma-delta architecture. An SPI port is included, allowing a microcontroller to adjust volume and many other parameters. The AD1836 operates from a 5 V supply, with provision for a separate output supply to interface with low-voltage external circuitry. The AD1836 is available in a 52-l...