WM8741GEDS/RV

Product Summary

The WM8741GEDS/RV 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 WM8741GEDS/RV also supports DSD bit-stream data format, in both direct DSD and PCM-converted DSD modes. The appplications of the WM8741GEDS/RV include Professional audio systems, CD, DVD, SACD audio, Home theatre systems, A/V receivers.

Parametrics

WM8741GEDS/RV absolute maximum ratings: (1)Digital supply voltage, DVDD: -0.3V to +4.5V; (2)Analogue supply voltage, AVDD: -0.3V to +7V; (3)Voltage range digital inputs: DGND -0.3V to DVDD +0.3V; (4)Voltage range analogue inputs: AGND -0.3V to AVDD +0.3V; (5)Master Clock Frequency: 38.462MHz; (6)Operating temperature range, TA: -25℃ to +85℃; (7)Storage temperature: -65℃ to +150℃; (8)Ambient temperature (supplies applied): -55℃ to +125℃; (9)Pb free package body temperature (soldering 10 seconds): +260℃; (10)Pb free package body temperature (soldering 2 minutes): +183℃.

Features

WM8741GEDS/RV features: (1)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; (2)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; Optional interface to industry standard external filters; Digital volume control in 0.125dB steps with soft ramp; (3)and soft mute; Anti-clipping mode to prevent distortion even with input signals recorded up to 0dB; Selectable de-emphasis support; Zero Flag output; (4)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; (5)Hardware or software control modes: 2 and 3 wire serial control interface support; (6)Pin compatible with WM8740; (7)4.5V to 5.5V analogue, 3.0V to 3.6V digital supply operation; (8)28-lead SSOP Package

Diagrams

<IMG border=0 alt="WM8741GEDS/RV block diagram" src="http://www.seekic.com/uploadfile/ic-mfg/2012102911325278.jpg">