WM8731SEDS Datasheet

Interface - CODECs


The WM8731SEDS or WM8731L (WM8731/L) are low power stereo CODECs with an integrated headphone driver. The WM8731/L is designed specifically for portable MP3 audio and speech players and recorders. The WM8731 is also ideal for MD, CD-RW machines and DAT recorders.Stereo line and mono microphone level audio inputs are provided, along with a mute function, programmable line level volume control and a bias voltage output suitable for an electret type microphone. WM8731SEDS Features • Highly Efficient Headphone Driver• Audio Performance - ADC SNR 90dB (‘A’ weighted) at 3.3V, 85dB at 1.8V - DAC SNR 100dB (‘A’ weighted) at 3.3V, 95dB at 1.8V• Low Power - Playback only 22mW, 8mW (‘L’ Variant) - Analogue Pass Through 12mW, 3.5mW (‘L’ variant) - 1.42 – 3.6V Digital Supply Operation - 2.7 – 3.6V Analogue Supply Operation - 1.8 – 3.6V Analogue Supply Operation (‘L’ Variant)• ADC and DAC Sampling Frequency: 8kHz – 96kHz


[{"Name":"Type ","Value":"Stereo CODEC"},{"Name":"Conversion Rate ","Value":"96 kSPs"},{"Name":"Interface Type ","Value":"Serial (2-Wire, 3-Wire, I2C)"},{"Name":"Number of ADCs ","Value":"2"},{"Name":"Number of DACs ","Value":"2"},{"Name":"Operating Supply Voltage ","Value":"1.42 V to 3.6 V"},{"Name":"Maximum Operating Temperature ","Value":"+ 85 C"},{"Name":"Mounting Style ","Value":"SMD/SMT"},{"Name":"Package / Case ","Value":"SSOP-28"},{"Name":"Packaging","Value":"Tube"}]

Manufacturer information

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