WM8941GEFL WOLFSON [Wolfson Microelectronics plc], WM8941GEFL Datasheet - Page 54
WM8941GEFL
Manufacturer Part Number
WM8941GEFL
Description
Mono CODEC with Speaker Driver and Video Buffer
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8941GEFL.pdf
(96 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
WM8941GEFL
Manufacturer:
WOLFSON
Quantity:
20 000
- Current page: 54 of 96
- Download datasheet (2Mb)
WM8941
w
Figure 26 WM8941 Video Buffer Filter Response
-10
-15
-20
-25
10
-5
5
0
10
VIDEO BUFFER REGISTERS
Table 43 Video Buffer Registers
Video buffer enable / disable and gain are controlled via the following registers:
R3
Power management 3
R40
Video Buffer
REGISTER
ADDRESS
100
WM8941 Video Buffer Filter Response
-20dBV sinewave input, 0dB gain setting, VBVDD=3.3V
4
4
3
2
1
0
BIT
VBUFEN
QBOOST
VBGAIN
VBDISOFF
VBPULLDWN
VBCLAMPEN
Frequency (kHz)
LABEL
1000
0
0
0
0
0
0
DEFAULT
Video buffer enable
0 = disabled
1 = enabled
Increases the filters Q.
Video buffer gain
0 = 0dB (=6dB unloaded)
1 = +6dB (=12dB unloaded)
Disable Video Buffer DC Offset
0 = Video buffer drives down to
40mV above ground
1 = Video buffer drives to
ground (not recommended)
Video Buffer Pull-down
0=Normal
1=Enables high impedance
pull-down on in put to Video
buffer
Video buffer clamp enable
0 = disabled
1 = enabled
10000
PP, Rev 3.3, December 2007
DESCRIPTION
Pre Production
0dB
0dB Qboost
6dB
6dB Qboost
100000
54
Related parts for WM8941GEFL
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Mono Codec With Speaker Driver And Video Buffer
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Wolfson AudioPlus Stereo CODEC with Power Management
Manufacturer:
WOLFSON [Wolfson Microelectronics plc]
Datasheet:
Part Number:
Description:
WM9701ALow Power AC97 Multimedia Audio Codec
Manufacturer:
WOLFSON Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
WM8973LGEFLSTEREO CODEC FOR PORTABLE AUDIO APPLICATIONS
Manufacturer:
WOLFSON Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Handset Receiver Speaker Driver With Wolfson Myzone Ambient Noise Cancellation
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Stereo Headphone Driver With Wolfson Myzonetm Ambient Noise Cancellation
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
WM9701ALow Power AC97 Multimedia Audio Codec
Manufacturer:
WOLFSON Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
WM8973LGEFLSTEREO CODEC FOR PORTABLE AUDIO APPLICATIONS
Manufacturer:
WOLFSON Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet: