WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 43

• Manufacturer Part Number: WM8903LGEFK/RV
• Description: Audio CODECs ULTRA LOW PWR HI FI CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8903LGEFK/RV

• Audio Codec Type: Stereo Codec
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 6
• No. Of Output Channels: 8
• Adc / Dac Resolution: 24bit
• Sampling Rate: 96kHz
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Adcs / Dacs Signal To Noise Ratio: 96dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
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Table 11 ADC Digital Volume Control
R36 (24h)
ADC Digital
Volume Left
R37 (25h)
ADC Digital
Volume Right
REGISTER
ADDRESS
BIT
7:0
7:0
8
8
ADCVU
ADCL_VOL [7:0]
ADCVU
ADCR_VOL [7:0]
LABEL
1100_0000
1100_0000
DEFAULT
(0dB)
(0dB)
N/A
N/A
ADC Volume Update
Writing a 1 to this bit causes left
and right ADC volume to be
updated simultaneously
Left ADC Digital Volume
00h = Mute
01h = -71.625dB
02h = -71.250dB
… (0.375dB steps)
C0h = 0dB
… (0.375dB steps)
EFh to FFh = +17.625dB
(See Table 12 for volume range)
ADC Volume Update
Writing a 1 to this bit causes left
and right ADC volume to be
updated simultaneously
Right ADC Digital Volume
00h = Mute
01h = -71.625dB
02h = -71.250dB
… (0.375dB steps)
C0h = 0dB
… (0.375dB steps)
EFh to FFh = +17.625dB
(See Table 12 for volume range)
PD, Rev 4.0, September 2010
DESCRIPTION
WM8903
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