Product Summary

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

Parametrics

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)

Features

Portable MP3 Players and Recorders
CD and Minidisc Recorders
PDAs / smartphones

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
WM8731SEDS
WM8731SEDS
Wolfson Microelectronics
Audio CODECs Stereo Codec with H/P
Data Sheet
Negotiable 
WM8731SEDS/R
WM8731SEDS/R
Wolfson Microelectronics
Audio CODECs Stereo CODEC with H/P
Data Sheet
0-2000: $1.10
2000-4000: $1.06
WM8731SEFL
WM8731SEFL
Wolfson Microelectronics
Audio CODECs Stereo Codec with H/P
Data Sheet
0-1: $1.62
1-50: $1.40
50-100: $1.12
100-500: $1.06
WM8731SEDS/V
WM8731SEDS/V
Wolfson Microelectronics
Audio CODECs Stereo Codec with H/P
Data Sheet
0-1: $1.85
1-50: $1.61
50-100: $1.28
100-500: $1.21
WM8731SEFL/R
WM8731SEFL/R
Wolfson Microelectronics
Audio CODECs Stereo CODEC with H/P
Data Sheet
0-3500: $0.97
3500-7000: $0.93
WM8731SEDS/RV
WM8731SEDS/RV
Wolfson Microelectronics
Audio CODECs Stereo Codec w-H/P
Data Sheet
0-2000: $1.16
2000-4000: $1.10
4000-6000: $1.06