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Description:High Performance, Multibit Sigma-Delta DAC with SACD Playback
Manufacturer:Analog Devices
Datasheet:PDF (897K).
Click here to download *)

The AD1955 is a complete, high performance, single-chip, stereo digital audio playback system. It is comprised of a multibit sigmadelta modulator, high performance digital interpolation filters, and continuous-time differential current output DACs. Other features include an on-chip clickless stereo attenuator and mute capability, programmed through an SPI compatible serial control port. The AD1955 is fully compatible with all known DVD audio formats including 192 kHz as well as 96 kHz sample frequencies and 24 bits. It is also backward compatible by supporting 50 s/ 15 s digital de-emphasis intended for "redbook" compact discs, as well as de-emphasis at 32 kHz and 48 kHz sample rates. The AD1955 has a very flexible serial data input port that allows for glueless interconnection to a variety of ADCs, DSPs, SACD decoders, external digital filters, AES/EBU receivers, and (continued on page 12)

Click here to download AD1955ARSZ Datasheet
Click here to download AD1955ARSZ Datasheet
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