WM2639 データシートの表示（PDF） - Wolfson Microelectronics plc
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WM2639 Datasheet PDF : 10 Pages
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Production Data
TYPICAL PERFORMANCE GRAPHS
WM2639
3
5V = VDD, VREF = External. 2.048V, Speed = Fast mode, Load = 10k/100pF
2
1
0
-1
-2
-3
0
512
1024
1536
2048
2559
DIGITAL CODE
Figure 2 Integral Non-Linearity
3
VDD = 3V, VREF= Internal. 1V, Input Code = 0
2.5
2
1.5
1
0.5
0
0
0.5
1
1.5
2
2.5
ISINK - mA
Figure 3 Sink Current VDD = 3V
3
3.5
4
Slow
Fast
2.0395
2.039
VDD = 3V, VREF = Int. 1V, Input Code = 4095
2.0385
2.038
2.0375
2.037
2.0365
2.036
2.0355
2.035
0
0.5
1
1.5
2
2.5
ISOURCE - mA
Figure 5 Source Current VDD = 3V
3
3.5
4
Slow
Fast
WOLFSON MICROELECTRONICS LTD
3071
3583
4095
5
VDD = 5V, VREF = Int. 2V, Input Code = 0
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
0.5
1
1.5
2
2.5
ISINK - mA
3
3.5
4
Slow
Fas)
Figure 4 Sink Current VDD = 5V
4.0795
4.079
VDD = 5V, VREF = Int. 2V, Input Code = 4095
4.0785
4.078
4.0775
4.077
4.0765
4.076
4.0755
4.075
0
0.5
1
1.5
2
2.5
ISOURCE - mA
Figure 6 Source Current VDD = 5V
3
3.5
4
Slow
Fast
Production Data Rev 1.0 July 1999
7
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