WM8753LEB/RV WOLFSON [Wolfson Microelectronics plc], WM8753LEB/RV Datasheet - Page 76

• Manufacturer Part Number: WM8753LEB/RV
• Description: HI FI AND TELEPHONY DUAL CODEC
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

Advanced Information
DIGITAL FILTER CHARACTERISTICS
Table 74 HiFi Digital Filter Characteristics
w
Passband
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
Passband
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
High
Frequency
Passband
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
Passband
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
ADC Filter Type 0 (USB Mode, 250fs operation)
ADC Filter Type 1 (USB mode, 272fs or Normal mode operation)
DAC Filter Type 0 (USB mode, 250fs operation)
DAC Filter Type 1 (USB mode, 272fs or Normal mode operation)
ADC High Pass Filter
Pass Filter Corner
PARAMETER
The ADC and DAC employ different digital filters. There are 4 types of digital filter, called Type 0, 1, 2
and 3. The performance of Types 0 and 1 is listed in the table below, the responses of all filters is
shown in the proceeding pages.
TEST CONDITIONS
f > 0.5465fs
f > 0.5465fs
f > 0.584fs
f > 0.584fs
+/- 0.05dB
+/- 0.05dB
+/- 0.03dB
+/- 0.03dB
-0.5dB
-0.1dB
-6dB
-6dB
-3dB
-6dB
-6dB
0.5465fs
0.5465fs
0.584fs
0.584fs
-60
-60
-50
-50
MIN
0
0
0
0
0.5fs
17/fs
0.5fs
25/fs
0.5fs
15/fs
0.5fs
18/fs
10.4
21.6
3.7
TYP
0.4535fs
0.4535fs
+/- 0.05
+/- 0.05
+/- 0.03
0.416fs
0.416fs
+/-0.03
MAX
AI Rev 3.1 June 2004
UNIT
dB
dB
dB
dB
Hz
dB
dB
dB
dB
WM8753L
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