WM8731SEDS/V Wolfson Microelectronics, WM8731SEDS/V Datasheet - Page 51

• Manufacturer Part Number: WM8731SEDS/V
• Description: Audio CODECs Stereo Codec with H/P
• Manufacturer: Wolfson Microelectronics

Specifications of WM8731SEDS/V

• Interface Type: Serial (2-Wire or 3-Wire), I2S
• Resolution: 24 bit
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Minimum Operating Temperature: - 40 C
• Number Of Channels: 2 ADC / 2 DAC
• Snr: 90 dB
• Thd Plus Noise: - 84 dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8731 / WM8731L
w
0000011
Right
Headphone Out
0000100
Analogue Audio
Path Control
REGISTER
ADDRESS
6:0
7
8
0
1
2
3
4
5
7:6
BIT
RHPVOL
[6:0]
RZCEN
RLHPBOTH
MICBOOST
MUTEMIC
INSEL
BYPASS
DACSEL
SIDETONE
SIDEATT[1:0]
LABEL
1111001
( 0dB )
0
0
0
1
0
1
0
0
00
DEFAULT
Right Channel Headphone Output
Volume Control
1111111 = +6dB
. . 1dB steps down to
0110000 = -73dB
0000000 to 0101111 = MUTE
Right Channel Zero Cross detect
Enable
1 = Enable
0 = Disable
Right to Left Channel Headphone
Volume, Mute and Zero Cross Data
Load Control
1 = Enable Simultaneous Load of
RHPVOL[6:0] and RZCEN to
LHPVOL[6:0] and LZCEN
0 = Disable Simultaneous Load
Microphone Input Level Boost
1 = Enable Boost
0 = Disable Boost
Mic Input Mute to ADC
1 = Enable Mute
0 = Disable Mute
Microphone/Line Input Select to ADC
1 = Microphone Input Select to ADC
0 = Line Input Select to ADC
Bypass Switch
1 = Enable Bypass
0 = Disable Bypass
DAC Select
1 =Select DAC
0 = Don’t select DAC
Side Tone Switch
1 = Enable Side Tone
0 = Disable Side Tone
Side Tone Attenuation
11 = -15dB
10 = -12dB
01 = -9dB
00 = -6dB
DESCRIPTION
PD, Rev 4.8, April 2009
Production Data
51