wm8753lgefl-v Wolfson Microelectronics plc, wm8753lgefl-v Datasheet - Page 80
wm8753lgefl-v
Manufacturer Part Number
wm8753lgefl-v
Description
Hi-fi And Telephony Dual Codec
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8753LGEFL-V.pdf
(92 pages)
- Current page: 80 of 92
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Production Data
Table 75 Voice CODEC Digital Filter Characteristics
Table 76 ADC Highpass Filter Characteristics
TERMINOLOGY
1.
2.
w
Passband
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
Passband
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
High Pass Filter Corner
Frequency
High Pass Filter Corner
Frequency
High Pass Filter Corner
Frequency
ADC High Pass Filter (HPMODE[1:0] = 11) (256fs, fs=8kHz)
High Pass Filter Corner
Frequency
Voice ADC Filter
Voice DAC Filter
ADC High Pass Filter (HPMODE[1:0] = 00) (256fs, fs=48kHz)
ADC High Pass Filter (HPMODE[1:0] = 01) (256fs, fs=16kHz)
ADC High Pass Filter (HPMODE[1:0] = 10) (256fs, fs=8kHz)
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
PARAMETER
PARAMETER
TEST CONDITIONS
TEST CONDITIONS
+/- 0.3dB
f > 0.53fs
+/- 0.3dB
f > 0.53fs
-0.5dB
-0.1dB
-0.5dB
-0.1dB
-0.5dB
-0.1dB
-0.5dB
-0.1dB
-14dB
-14dB
-3dB
-3dB
-3dB
-3dB
0.53fs
0.53fs
-30
-30
MIN
MIN
0
0
0.5fs
0.5fs
10.4
21.6
7/fs
7/fs
203
341
185
272
170
321
415
3.7
82
82
TYP
TYP
0.414fs
0.414fs
+/- 0.3
+/-0.3
MAX
MAX
PD, Rev 4.0, September 2008
UNIT
UNIT
dB
dB
dB
dB
Hz
Hz
Hz
Hz
WM8753L
80
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