WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 52

• 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

WM8903
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INITIALISATION
When the DRC is initialised, the gain is set to the level determined by the DRC_STARTUP_GAIN
register field. The default setting is 0dB, but values from -18dB to +36dB are available, as described
in Table 23.
Table 23 DRC Initialisation
R40 (28h)
DRC 0
REGISTER
ADDRESS
10:6
BIT
DRC_STARTUP_
GAIN [4:0]
LABEL
DEFAULT
00110
Initial gain at DRC startup
00000 = -18dB
00001 = -15dB
00010 = -12dB
00011 = -9dB
00100 = -6dB
00101 = -3dB
00110 = 0dB (default)
00111 = 3dB
01000 = 6dB
01001 = 9dB
01010 = 12dB
01011 = 15dB
01100 = 18dB
01101 = 21dB
01110 = 24dB
01111 = 27dB
10000 = 30dB
10001 = 33dB
10010 = 36dB
10011 to 11111 = Reserved
PD, Rev 4.0, September 2010
DESCRIPTION
Production Data
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