WM8731SEDS/V Wolfson Microelectronics, WM8731SEDS/V Datasheet - Page 50

• 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
0000000
Left Line In
0000001
Right Line In
0000010
Left Headphone
Out
REGISTER
ADDRESS
4:0
7
8
4:0
7
8
6:0
7
8
BIT
LINVOL[4:0]
LINMUTE
LRINBOTH
RINVOL[4:0]
RINMUTE
RLINBOTH
LHPVOL
[6:0]
LZCEN
LRHPBOTH
LABEL
10111
( 0dB )
1
0
10111
( 0dB )
1
0
1111001
( 0dB )
0
0
DEFAULT
Left Channel Line Input Volume
Control
11111 = +12dB . . 1.5dB steps down
to 00000 = -34.5dB
Left Channel Line Input Mute to ADC
1 = Enable Mute
0 = Disable Mute
Left to Right Channel Line Input
Volume and Mute Data Load Control
1 = Enable Simultaneous Load of
LINVOL[4:0] and LINMUTE to
RINVOL[4:0] and RINMUTE
0 = Disable Simultaneous Load
Right Channel Line Input Volume
Control
11111 = +12dB . .1.5dB steps down
to 00000 = -34.5dB
Right Channel Line Input Mute to
ADC
1 = Enable Mute
0 = Disable Mute
Right to Left Channel Line Input
Volume and Mute Data Load Control
1 = Enable Simultaneous Load of
RINVOL[4:0] and RINMUTE to
LINVOL[4:0] and LINMUTE
0 = Disable Simultaneous Load
Left Channel Headphone Output
Volume Control
1111111 = +6dB
. . 1dB steps down to
0110000 = -73dB
0000000 to 0101111 = MUTE
Left Channel Zero Cross detect
Enable
1 = Enable
0 = Disable
Left to Right Channel Headphone
Volume, Mute and Zero Cross Data
Load Control
1 = Enable Simultaneous Load of
LHPVOL[6:0] and LZCEN to
RHPVOL[6:0] and RZCEN
0 = Disable Simultaneous Load
DESCRIPTION
PD, Rev 4.8, April 2009
Production Data
50