WM8983GEFL/RV Wolfson Microelectronics, WM8983GEFL/RV Datasheet - Page 116

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

Specifications of WM8983GEFL/RV

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C

WM8983
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
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-20
-25
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-35
-40
-10
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-30
-40
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-60
-70
-80
-90
-5
-10
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-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
3.7Hz.
frequency.
600
600
25
30
In applications mode the filter is a 2
800
800
35
1000
40
1000
45
1200
1200
Figure 62 ADC Highpass Filter Responses (24kHz),
-10
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-80
10
0
0
HPFAPP=1, all cut-off settings shown.
nd
200
order high pass filter with a selectable cut-off
400
Frequency (Hz)
st
order IIR with a cut-off of around
600
PD Rev 4.0 November 2006
800
Production Data
1000
1200
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