WM8983GEFL/V Wolfson Microelectronics, WM8983GEFL/V Datasheet - Page 117

• Manufacturer Part Number: WM8983GEFL/V
• Description: Audio CODECs Mbl Multimedia CODEC w/ 1W Speaker Driver
• Manufacturer: Wolfson Microelectronics

Specifications of WM8983GEFL/V

• 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
HIGHPASS FILTER
Figure 60 ADC Highpass Filter Response, HPFAPP=0
Figure 61 ADC Highpass Filter Responses (48kHz),
Figure 63 ADC Highpass Filter Responses (12kHz),
w
-10
-15
-20
-25
-30
-35
-40
-10
-20
-30
-40
-50
-60
-70
-80
-90
-5
-10
-20
-30
-40
-50
-60
10
5
0
10
0
0
0
0
0
5
HPFAPP=1, all cut-off settings shown.
HPFAPP=1, all cut-off settings shown.
200
200
10
15
400
400
Frequency (Hz)
20
Frequency (Hz)
Frequency (Hz)
The WM8983 has a selectable digital highpass filter in the ADC filter path. This filter has two modes,
audio and applications. In audio mode the filter is a 1
applications mode the filter is a 2
600
600
25
30
800
800
35
1000
40
1000
45
1200
1200
nd
Figure 62 ADC Highpass Filter Responses (24kHz),
order high pass filter with a selectable cut-off frequency.
-10
-20
-30
-40
-50
-60
-70
-80
10
0
0
HPFAPP=1, all cut-off settings shown.
200
st
order IIR with a cut-off of around 3.7Hz. In
400
Frequency (Hz)
600
PD, Rev 4.3, May 2010
800
1000
WM8983
1200
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