WM8985GEFL Wolfson Microelectronics, WM8985GEFL Datasheet - Page 101

• Manufacturer Part Number: WM8985GEFL
• Description: Audio CODECs Multimedia CODEC with Class D HP
• Manufacturer: Wolfson Microelectronics

Specifications of WM8985GEFL

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
w
21 (15h)
22 (16h)
23 (17h)
24 (18h)
REGISTER
ADDRESS
4:0
8
7
6:5
4:0
8:7
6:5
4:0
8
7:0
8
7:4
BIT
EQ3G
EQ4BW
EQ4C
EQ4G
EQ5C
EQ5G
CLASSDEN
LIMEN
LIMDCY
LABEL
01100
0
0
01
01100
0
01
01100
0
000 1000
0
0011
DEFAULT
EQ Band 3 Gain Control. See Table 31 for
details.
EQ Band 4 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Reserved. Initialise to 0
EQ Band 4 Centre Frequency:
00=1.8kHz
01=2.4kHz
10=3.2kHz
11=4.1kHz
EQ Band 4 Gain Control. See Table 31 for
details.
Reserved. Initialise to 0
EQ Band 5 Cut-off Frequency:
00=5.3kHz
01=6.9kHz
10=9kHz
11=11.7kHz
EQ Band 5 Gain Control. See Table 31 for
details.
Enable signal for class D mode on LOUT2 and
ROUT2
0 = Class AB mode
1 = Class D mode
Reserved.
Enable the DAC digital limiter:
0=disabled
1=enabled
DAC Limiter Decay time (per 6dB gain change)
for 44.1kHz sampling. Note that these will scale
with sample rate:
0000=750us
0001=1.5ms
0010=3ms
0011=6ms
0100=12ms
0101=24ms
0110=48ms
0111=96ms
1000=192ms
1001=384ms
1010=768ms
DESCRIPTION
PD, Rev 4.6, July 2009
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Class D
Control
Output Signal
Path
Output Signal
Path
REFER TO
WM8985
101