WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 23

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WM8903LGEFK/RV

Manufacturer Part Number
WM8903LGEFK/RV
Description
Audio CODECs ULTRA LOW PWR HI FI CODEC
Manufacturer
Wolfson Microelectronics
Datasheets

Specifications of WM8903LGEFK/RV

Audio Codec Type
Stereo Codec
No. Of Adcs
2
No. Of Dacs
2
No. Of Input Channels
6
No. Of Output Channels
8
Adc / Dac Resolution
24bit
Sampling Rate
96kHz
Operating Temperature Range
-40°C To +85°C
Rohs Compliant
Yes
Adcs / Dacs Signal To Noise Ratio
96dB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Pre-Production
Figure 13 ADC Filter Passband Ripple for
CLK_SYS_MODE = 10b
ADC HIGH PASS FILTER RESPONSES
Figure 14 ADC Digital High Pass Filter Frequency
Response (48kHz, Hi-Fi Mode, ADC_HPF_CUT[1:0]=00)
The plots shown are for 48kHz. For other sample rates, the plots should be scaled accordingly.
w
MAGNITUDE(dB)
2.1246m
-1.1717
-2.3455
-3.5193
-4.6931
-5.8669
-7.0407
-8.2145
-9.3883
-10.562
-11.736
1
2.6923
7.2484
19.515
52.54
141.45
380.83
1.0253k
2.7605k
7.432k
20.009k
Figure 15 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
-8.3373
-16.672
-25.007
-33.342
-41.677
-50.012
-58.347
-66.682
-75.017
-83.352
2
5.0248
12.624
31.716
79.683
200.19
hpf_response2.res MAGNITUDE(dB)
PP, Rev 3.1, August 2009
502.96
1.2636k
3.1747k
WM8903
7.9761k
20.039k
23

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