●GENERAL DESCRIPTION
●The AD1838A is a high performance single-chip codec featuring three stereo DACs and one stereo ADC. Each DAC comprises a high performance digital interpolation filter, a multibit - modulator featuring Analog Devices’ patented technology, and a continuous-time voltage out analog section. Each DAC has independent volume control and clickless mute functions. The ADC comprises two 24-bit conversion channels with multibit - modulators and decimation filters.
●The AD1838A also contains an on-chip reference with a nominal value of 2.25 V.
●FEATURES
●5 V Stereo Audio System with 3.3 V Tolerant Digital Interface
●Supports up to 96 kHz Sample Rates
●192 kHz Sample Rate Available on 1 DAC
●Supports 16-, 20-, 24-Bit Word Lengths
●Multibit - Modulators with Perfect Differential Linearity Restoration for Reduced Idle Tones and Noise Floor
●Data Directed Scrambling DACs—Least Sensitive to Jitter
●Differential Output for Optimum Performance
● ADCs: –95 dB THD + N, 105 dB SNR and Dynamic Range
● DACs: –95 dB THD + N, 108 dB SNR and Dynamic Range
●On-Chip Volume Controls per Channel with 1024 Step Linear Scale
●DAC and ADC Software Controllable Clickless Mutes
●Digital De-emphasis Processing
●Supports 256 fS, 512 fS, and 768 fS Master Mode Clocks
●Power-Down Mode Plus Soft Power-Down Mode
●Flexible Serial Data Port with Right-Justified, Left Justified, I2S Compatible, and DSP Serial Port Modes
●TDM Interface Mode Supports 8 In/8 Out Using a Single SHARC® SPORT
●52-Lead MQFP Plastic Package
●APPLICATIONS
●DVD Video and Audio Players
●Home Theater Systems
●Automotive Audio Systems
●Audio/Visual Receivers
●Digital Audio Effects Processors
Part 3D Model
