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WM8753LEB/RV датащи(PDF) 77 Page - Wolfson Microelectronics plc

номер детали WM8753LEB/RV
подробное описание детали  HI FI AND TELEPHONY DUAL CODEC
PDF  87 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8753LEB/RV датащи(HTML) 77 Page - Wolfson Microelectronics plc

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WM8753L
Advanced Information
w
AI Rev 3.1 June 2004
77
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Voice ADC Filter
+/- 0.3dB
0
0.414fs
Passband
-14dB
0.5fs
Passband Ripple
+/- 0.3
dB
Stopband
0.53fs
Stopband Attenuation
f > 0.53fs
-30
dB
Group Delay
7/fs
Voice DAC Filter
+/- 0.3dB
0
0.414fs
Passband
-14dB
0.5fs
Passband Ripple
+/-0.3
dB
Stopband
0.53fs
Stopband Attenuation
f > 0.53fs
-30
dB
Group Delay
7/fs
Table 75 Voice Codec Digital Filter Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ADC High Pass Filter (HPMODE[1:0] = 00) (256fs, fs=48kHz)
-3dB
3.7
-0.5dB
10.4
High Pass Filter Corner
Frequency
-0.1dB
21.6
Hz
ADC High Pass Filter (HPMODE[1:0] = 01) (256fs, fs=16kHz)
-3dB
82
-0.5dB
203
High Pass Filter Corner
Frequency
-0.1dB
341
Hz
ADC High Pass Filter (HPMODE[1:0] = 10) (256fs, fs=8kHz)
-3dB
82
-0.5dB
185
High Pass Filter Corner
Frequency
-0.1dB
272
Hz
ADC High Pass Filter (HPMODE[1:0] = 11) (256fs, fs=8kHz)
-3dB
170
-0.5dB
321
High Pass Filter Corner
Frequency
-0.1dB
415
Hz
Table 76 ADC Highpass Filter Characteristics
TERMINOLOGY
1.
Stop Band Attenuation (dB) – the degree to which the frequency spectrum is attenuated (outside audio band)
2.
Pass-band Ripple – any variation of the frequency response in the pass-band region



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