WM5621 查看數據表（PDF） - Wolfson Microelectronics plc
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WM5621 Datasheet PDF : 14 Pages
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5
WM5621L
Typical Performance Characteristics (continued)
Integral Nonlinearity
V = 5.0, V = 2.0V, Range = x2 at 25 C Vdd = 5 .0V, Vre f = 2 .0V, Ran ge = x2 @ 25'C
In teg ral Non Lin earity
o
DD
REF
0.2
0.15
0.1
0.05
0
-0.05
-0.1
-0.15
-0.2
0
32 64 96 128 160 192 224 256
Co de
Input Code
Total Unadjusted Error
V = 5.0, V = 2.0V, Range = x2 at 25 C Vdd = 5 .0V, Vre f = 2 .0V, Ran ge = x2 @ 25 'C
To tal Un adju ste d E rror
o
DD
REF
0.2
0.15
0.1
0.05
0
-0.05
-0.1
-0.15
-0.2
0
32 64 96 128 160 192 224 256
Input CodCeode
Typical DNL, INL and TUE at VDD = 3 V
Differential Nonlinearity
Vdd = 3.0 V, Vref = 1.2 5V, Ran ge = x2 @ 25'C
Differen tial Non Lin earity
VDD = 3.0, V REF = 1.25V, Range = x2 at 25oC
0.2
0.15
0.1
0.05
0
-0.05
-0.1
-0.15
-0.2
0
32 64 96 128 160 192 224 256
Cod e
Input Code
Total Unadjusted Error
V = 3.0, V = 1.25V, Range = x2 at 25 C Vdd = 3. 0V, Vre f = 1. 25 V, Ra ng e = x 2 @ 25 'C
To tal Un adju sted E rror
o
DD
REF
0.2
0.15
0.1
0.05
0
-0.05
-0.1
-0.15
-0.2
0
32 64 96 128 160 192 224 256
InputCoCdeode
Integral Nonlinearity
V = 3.0, V = 1.25V, Range = x2 at 25 C Vdd = 3.0V, Vref= 1.25V,Range =x2@ 25'C
I ntegral Non Li neari ty
o
DD
REF
0.2
0.15
0.1
0.05
0
-0.05
-0.1
-0.15
-0.2
0
32 64 96 128 160 192 224 256
Input CodCeode
Output Source Current vs Output Voltage
VDD = 5.0, VREF = 2V, Range = 2x, Input Code = 255, Temperature = 25oC
8
7
Vdd = 5V, Vref = 2.0V, Range = 2x
Input Code = 255, Temperature = 25'C
6
5
4
3
2
1
0
0
1
2
3
4
5
VOUVoTut ((V)V)
Supply Current v Temperature
Supply Current vs Temperature
1.15
1.1
1.05
1
VVdDdD= =5V5, V.0re,fV=R2E.0FV= 2V,
RRaangneg=e2=x,2Inxp,uItnCpoudteC=o2d55e = 255
0.95
0.9
0.85
VDD =3V.0d,d V= R3VE,FV=ref1=.215.2V5V,
RangeR2=5a52ngxe, =In2pxu, ItnCpuotdCeod=e 2=55
0.8
-30 -15 0
15 30 45 60 75 90
TemTpemeprearattuurer(e'C ) (oC)
Wolfson Microelectronics
6
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