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
