Product Summary
The WM8706EDS is a high performance stereo DAC which is designed for audio applications such as DVD, home theatre systems, and digital TV. The device supports data input word lengths from 16 to 32-bits and sampling rates up to 192kHz. It can implement 2 channels at 192kHz for highend DVD-Audio. The WM8706EDS consists of a serial interface port, digital interpolation filters, multi-bit sigma delta modulators and stereo DAC in a small 28-pin SSOP package. It also includes a digitally controllable mute and attenuate function on each channel. The applications of the WM8706EDS include: DVD-Audio and DVD Universal Players, Home theatre systems, Digital TV, Digital broadcast receivers.
Parametrics
WM8706EDS absolute maximum ratings: (1)Digital supply voltage: min=-0.3V, max=+7V; (2)Analogue supply voltage: min=-0.3V, max=+7V; (3)Voltage range digital inputs: min=DGND -0.3V, max=DVDD +0.3V; (4)Voltage range analogue inputs: min=AGND -0.3V, max=AVDD +0.3V; (5)Master Clock Frequency (XTI): max=50MHz; (6)Operating temperature range, TA: min=-25℃, max=+85℃; (7)Storage temperature: min=-65℃, max=+150℃; (8)Package body temperature (soldering 10 seconds): max=+240℃; (9)Package body temperature (soldering 2 minutes): max=+183℃.
Features
WM8706EDS features: (1)Stereo DAC; (2)Audio Performance: 106dB SNR (A weighted @ 48kHz) DAC; 97dB THD; (3)DAC Sampling Frequency: 8kHz-192kHz; (4)3-Wire Serial Control Interface or Hardware Control; (5)Programmable Audio Data Interface Modes: I2S, Left, Right Justified, DSP; 16/20/24/32 bit Word Lengths; (6)Independent Digital Volume Control on Each Channel with 127.5dB Range in 0.5dB Steps; (7)3.0V-5.5V Supply Operation; (8)28-Pin SSOP Package; (9)Exceeds Dolby Class A Performance Requirements.
Diagrams
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