WM8990ECS/RV Wolfson Microelectronics, WM8990ECS/RV Datasheet - Page 165
WM8990ECS/RV
Manufacturer Part Number
WM8990ECS/RV
Description
Audio CODECs Stereo CODEC w.Class AB/D speaker driver
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8990ECSRV.pdf
(172 pages)
Specifications of WM8990ECS/RV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
WM8990ECS/RV
Manufacturer:
TESTED
Quantity:
20 000
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Production Data
ADC FILTER RESPONSES
Figure 90 ADC Digital Filter Frequency Response
ADC HIGH PASS FILTER RESPONSES
Figure 92 ADC Digital High Pass Filter Frequency
Response (48kHz, Hi-Fi Mode, ADC_HPF_CUT[1:0]=00)
MAGNITUDE(dB)
-100
-120
-140
2.1246m
-1.1717
-2.3455
-3.5193
-4.6931
-5.8669
-7.0407
-8.2145
-9.3883
-10.562
-11.736
-20
-40
-60
-80
20
0
0.00
1
2.6923
7.2484
0.25
19.515
52.54
Frequency (fs)
141.45
0.50
380.83
1.0253k
2.7605k
0.75
7.432k
20.009k
Figure 91 ADC Digital Filter Ripple
Figure 93 ADC Digital High Pass Filter Ripple (48kHz,
Voice Mode, ADC_HPF_CUT=01, 10 and 11)
hpf_response.res MAGNITUDE(dB)
hpf_response2.res#1 MAGNITUDE(dB)
-2.3338m
-0.02
-0.04
-0.06
-0.08
0.08
0.06
0.04
0.02
-8.3373
-16.672
-25.007
-33.342
-41.677
-50.012
-58.347
-66.682
-75.017
-83.352
-0.1
0.1
0
0.00
2
5.0248
12.624
31.716
79.683
Frequency (fs)
200.19
hpf_response2.res MAGNITUDE(dB)
0.25
502.96
PD, March 2009, Rev 4.0
1.2636k
3.1747k
WM8990
7.9761k
20.039k
165
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