WM8741GEDS/R Datasheet

24-bit 192kHz DAC with Advanced Digital Filtering


The WM8741 is a very high performance stereo DAC designed for audio applications such as professional recording systems, A/V receivers and high specification CD, DVD and home theatre systems. The device supports PCM data input word lengths from 16 to 32-bits and sampling rates up to 192kHz. The WM8741 also supports DSD bit- stream data format, in both direct DSD and PCM-converted DSD modes.

• Advanced Ultra High Performance Multi-bit Sigma-Delta Architecture
   − 128dB SNR (‘A’-weighted mono @ 48kHz)
   − 125dB SNR (‘A’-weighted stereo @ 48kHz)
   − 123dB SNR (non-weighted stereo @ 48kHz)
   − -100dB THD @ 48kHz
   − Differential analogue voltage outputs
   − High tolerance to clock jitter
• PCM Mode
   − Sampling frequency: 32kHz to 192kHz
   − Input data word length support: 16 to 32-bit
   − Supports all standard audio interface formats
   − Selectable advanced digital filter responses
   − Includes linear/minimum phase and range of
      tailored characteristics
   − Enables low pre-ringing, minimal latency
   − Optional interface to industry standard external filters
   − Digital volume control in 0.125dB steps with soft ramp
      and soft mute
   − Anti-clipping mode to prevent distortion even with input
      signals recorded up to 0dB
   − Selectable de-emphasis support
   − Zero Flag output
• DSD Mode
   − DSD bit-stream support for SACD applications
   − Support for normal or phase modulated bit-streams
   − Direct or PCM converted DSD paths (DSD Plus)
   − DSD mute
• Hardware or software control modes:
   − 2 and 3 wire serial control interface support
• Pin compatible with WM8740
• 4.5V to 5.5V analogue, 3.0V to 3.6V digital supply operation
• 28-lead SSOP Package

• Professional audio systems
• CD, DVD, SACD audio
• Home theatre systems
• A/V receivers



Manufacturer information

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