WM8903LGEFK/V Wolfson Microelectronics, WM8903LGEFK/V Datasheet - Page 20
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WM8903LGEFK/V
Manufacturer Part Number
WM8903LGEFK/V
Description
Audio CODECs ULTRA LOW PWR HI FI CODEC
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8903LGEFKV.pdf
(158 pages)
Specifications of WM8903LGEFK/V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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ADC Filter
Passband
Passband Ripple
Stopband
Stopband Attenuation
DAC Normal Filter
Passband
Passband Ripple
Stopband
Stopband Attenuation
DAC Sloping Stopband Filter
Passband
Passband Ripple
Stopband 1
Stopband 1 Attenuation
Stopband 2
Stopband 2 Attenuation
Stopband 3
Stopband 3 Attenuation
WM8903
DIGITAL FILTER CHARACTERISTICS
TERMINOLOGY
1.
2.
w
Mode
Normal
Sloping Stopband
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
DAC FILTERS
Group Delay
16.5 / fs
18 / fs
TEST CONDITIONS
F > 0.546 fs
f > 0.546 fs
f > 0.546 fs
+/- 0.05dB
+/- 0.05dB
+/- 0.03dB
F > 1.4 fs
f > 0.7 fs
0.454 fs
+/- 1dB
0.25 fs
-6dB
-6dB
-6dB
Mode
Normal
0.546 fs
0.546 fs
0.546s
0.25 fs
0.7 fs
1.4 fs
MIN
-60
-50
-60
-85
-55
0
0
0
ADC FILTERS
0.5 fs
0.5 fs
0.5fs
TYP
Group Delay
16.5 / fs
0.454 fs
0.454 fs
0.454 fs
+/- 0.05
+/- 0.03
+/- 0.03
0.25 fs
0.7 fs
1.4 fs
MAX
PP, Rev 3.1, August 2009
UNIT
dB
dB
dB
dB
dB
dB
dB
dB
Pre-Production
20
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