WM8731SEFL Wolfson Microelectronics, WM8731SEFL Datasheet - Page 56
WM8731SEFL
Manufacturer Part Number
WM8731SEFL
Description
Audio CODECs Stereo Codec with H/P
Manufacturer
Wolfson Microelectronics
Specifications of WM8731SEFL
Number Of Adc Inputs
1
Number Of Dac Outputs
1
Conversion Rate
96 KSPS
Interface Type
Serial (2-Wire, 3-Wire, I2S)
Operating Supply Voltage
- 0.3 V to + 3.63 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN EP
Minimum Operating Temperature
- 40 C
Number Of Channels
2 ADC/2 DAC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
WM8731SEFL
Manufacturer:
Wolfson Microelectronics
Quantity:
1 940
Company:
Part Number:
WM8731SEFL
Manufacturer:
DAEHUNG
Quantity:
18 562
Company:
Part Number:
WM8731SEFL/R
Manufacturer:
BCD
Quantity:
50 210
WM8731 / WM8731L
DAC FILTER RESPONSES
Figure 35 DAC Digital Filter Frequency Response –Type 0
Figure 37 DAC Digital Filter Frequency Response –Type 1
Figure 39 DAC Digital Filter Frequency Response –Type 2
w
-100
-100
-100
-20
-40
-60
-80
-20
-40
-60
-80
-20
-40
-60
-80
0
0
0
0
0
0
0.5
0.5
0.5
1
1
1
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
1.5
1.5
1.5
2
2
2
2.5
2.5
2.5
3
3
3
Figure 36 DAC Digital Filter Ripple –Type 0
Figure 38 DAC Digital Filter Ripple –Type 1
Figure 40 DAC Digital Filter Ripple –Type 2
-0.01
-0.02
-0.03
-0.04
-0.01
-0.02
-0.03
-0.04
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
0.04
0.03
0.02
0.01
0.04
0.03
0.02
0.01
0.02
0.01
0
0
0
0
0
0
0.05
0.05
0.05
0.1
0.1
0.15
0.15
0.2
0.2
0.1
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
0.25
0.25
0.15
0.3
0.3
PD, Rev 4.8, April 2009
0.35
0.35
0.4
0.4
0.2
Production Data
0.45
0.45
0.25
0.5
0.5
56