wm8940gefl-v Wolfson Microelectronics plc, wm8940gefl-v Datasheet - Page 80
wm8940gefl-v
Manufacturer Part Number
wm8940gefl-v
Description
Mono Codec With Speaker Driver
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8940GEFL-V.pdf
(87 pages)
- Current page: 80 of 87
- Download datasheet (857Kb)
WM8940
w
DIGITAL FILTER CHARACTERISTICS
Table 61 Digital Filter Characteristics
TERMINOLOGY
1.
2.
3.
Table 62 Total Group Delay
Notes
1.
Passband
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
High Pass Filter Corner
Frequency
Passband
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
Total Delay (ADC analogue
input to digital audio interface
output)
Total Delay (Audio interface
input to DAC analogue
output)
ADC Filter
DAC Filter
ADC High Pass Filter
Stop Band Attenuation (dB) – the degree to which the frequency spectrum is attenuated (outside audio band)
Pass-band Ripple – any variation of the frequency response in the pass-band region
Note that this delay applies only to the filters and does not include additional delays through other digital circuits. See
Table 62 for the total delay.
Wind noise filter is disabled.
PARAMETER
PARAMETER
28/fs
33/fs
MIN
TEST CONDITIONS
+/- 0.025dB
+/- 0.035dB
f > 0.546fs
f > 0.546fs
-0.5dB
-0.1dB
-6dB
-3dB
-6dB
30/fs
35/fs
TYP
32/fs
37/fs
MAX
0.546fs
0.546fs
-60
-55
MIN
0
0
UNIT
fs
fs
0.5fs
21/fs
0.5fs
29/fs
10.4
21.6
3.7
TYP
+/- 0.025
+/-0.035
0.454fs
0.454fs
MAX
PD, Rev 4.2, April 2008
UNIT
dB
dB
dB
dB
Hz
Production Data
80
Related parts for wm8940gefl-v
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
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:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
24-bit, 192khz 6-channel Dac With Volume Control
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
24-bit, 192khz 6-channel Dac
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
HI FI AND TELEPHONY DUAL CODEC
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Stereo Codec Portable Audio Applications
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Stereo Codec For Portable Audio Applications
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Multichannel Codec With S/pdif Transceiver
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Ac97 Audio Codec Mixer With Integrated Headphone Driver
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Ac-link Interface Audio Dac
Manufacturer:
Wolfson Microelectronics plc
Datasheet: