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Description:Stereo, 96 kHz, Multibit Sigma Delta DAC
Manufacturer:Analog Devices
Datasheet:PDF (233K).
Click here to download *)

The AD1855 is a high performance, single-chip stereo, audio DAC delivering 113 dB Dynamic Range and SNR (A-weighted-- not muted) at 48 kHz sample rate. It is comprised of a multibit sigma-delta modulator with dither, continuous time analog filters and analog output drive circuitry. Other features include an on-chip stereo attenuator and mute, programmed through an SPI-compatible serial control port. The AD1855 is fully compatible with current DVD formats, including 96 kHz sample frequency and 24 bits. It is also backwards compatible by supporting 50 s/15 s digital de-emphasis intended for "redbook" 44.1 kHz sample frequency playback from compact discs. The AD1855 has a very simple but very flexible serial data input port that allows for glueless interconnection to a variety of ADCs, DSP chips, AES/EBU receivers and sample rate converters. The AD1855 can be configured in left-justified, I2S, rightjustified, or DSP serial port compatible modes. The AD1855 accepts 16-/18-/20-/24-bit serial audio data in MSB first, twoscomplement format. A power-down mode is offered to minimize power consumption when the device is inactive. The AD1855 operates from a single +5 V power supply. It is fabricated on a single monolithic integrated circuit and housed in a 28-lead SSOP package for operation over the temperature range 0C to +70C.

Click here to download AD1855 Datasheet
Click here to download AD1855 Datasheet
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