WM8731SEDS/V Wolfson Microelectronics, WM8731SEDS/V Datasheet - Page 59
WM8731SEDS/V
Manufacturer Part Number
WM8731SEDS/V
Description
Audio CODECs Stereo Codec with H/P
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8731LSEFLR.pdf
(64 pages)
Specifications of WM8731SEDS/V
Interface Type
Serial (2-Wire or 3-Wire), I2S
Resolution
24 bit
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SSOP-28
Minimum Operating Temperature
- 40 C
Number Of Channels
2 ADC / 2 DAC
Snr
90 dB
Thd Plus Noise
- 84 dB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
WM8731 / WM8731L
DIGITAL DE-EMPHASIS CHARACTERISTICS
Figure 51 De-Emphasis Frequency Response (32kHz)
Figure 53 De-Emphasis Frequency Response (44.1kHz)
Figure 55 De-Emphasis Frequency Response (48kHz)
w
-10
-10
-10
-2
-4
-6
-8
-2
-4
-6
-8
-2
-4
-6
-8
0
0
0
0
0
0
2000
5000
5000
4000
6000
10000
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
10000
8000
10000
15000
15000
12000
20000
14000
20000
16000
Figure 52 De-Emphasis Error (32kHz)
Figure 54 De-Emphasis Error (44.1kHz)
Figure 56 De-Emphasis Error (48kHz)
-0.1
-0.2
-0.3
-0.4
-0.1
-0.2
-0.3
-0.4
-0.1
-0.2
-0.3
-0.4
0.4
0.3
0.2
0.1
0.4
0.3
0.2
0.1
0.4
0.3
0.2
0.1
0
0
0
0
0
0
2000
5000
5000
4000
6000
10000
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
10000
8000
10000
15000
15000
PD, Rev 4.8, April 2009
12000
20000
Production Data
14000
20000
16000
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