AD1857

a Stereo, Single Supply 16-, 18- and 20-Bit Sigma-Delta DACs AD1857/AD1858 PRODUCT OVERVIEW FEATURES Low Cost, High Performance Stereo DACs 128 Times Oversampling Interpolation Filter Multibit ⌺⌬ Modulator with Triangular PDF Dither Discrete Time and Continuous Time Analog Reconstruction Filters Extremely Low Out-of-Band Energy Buffered Outputs with 2 k⍀ Output Load Drive 94 dB Dynamic Range, –90 dB THD+N Performance Digital De-emphasis and Mute ؎0.1؇ C Maximum Phase Linearity Deviation Continuously Variable Sample Rate Support Power-Down Mode 16-, 18- and 20-Bit I2S-Justified, Left-Justified Modes Offered on AD1857 Accepts 24-Bit Word 16-Bit Right-Justified and DSP Serial Port Modes Offered on AD1858 Single +5 V Supply 20-Pin SSOP Package APPLICATIONS Digital Cable TV and Direct Broadcast Satellite Set-Top Decoder Boxes Video Laser Disk, Video CD and CD-I Players High Definition Televisions, Digital Audio Broadcast Receivers CD, CD-R, DAT, DCC and MD Players Digital Audio Workstations, Computer Multimedia Products The AD1857/AD1858 are complete single-chip stereo digital audio playback components. They each comprise an advanced digital interpolation filter, a revolutionary “linearity-compensated” multibit sigma-delta (∑∆) modulator with dither, a jitter-tolerant DAC, switched capacitor and continuous time analog filters and analog output drive circuitry. Other features include digital de-emphasis processing and mute. The AD1857/AD1858 support continuously variable sample ...