Production Data
WM2639
TYPICAL PERFORMANCE GRAPHS
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
3071
3583
4095
DIGITAL CODE
Figure 2 Integral Non-Linearity
3
5
VDD = 5V, VREF = Int. 2V, Input Code = 0
VDD = 3V, VREF= Internal. 1V, Input Code = 0
4.5
4
2.5
2
3.5
3
2.5
2
1.5
1
1.5
1
0.5
0
0.5
0
0
0.5
1
1.5
2
2.5
3
3.5
4
0
0.5
1
1.5
2
2.5
3
3.5
4
ISINK - mA
ISINK - mA
Slow
Fas)
Slow
Fast
Figure 3 Sink Current VDD = 3V
Figure 4 Sink Current VDD = 5V
2.0395
4.0795
VDD = 5V, VREF = Int. 2V, Input Code = 4095
VDD = 3V, VREF = Int. 1V, Input Code = 4095
2.039
4.079
4.0785
4.078
2.0385
2.038
2.0375
2.037
4.0775
4.077
2.0365
2.036
4.0765
4.076
2.0355
2.035
4.0755
4.075
0
0.5
1
1.5
2
2.5
3
3.5
4
0
0.5
1
1.5
2
2.5
3
3.5
4
ISOURCE - mA
ISOURCE - mA
Slow
Fast
Slow
Fast
Figure 5 Source Current VDD = 3V
Figure 6 Source Current VDD = 5V
WOLFSON MICROELECTRONICS LTD
Production Data Rev 1.0 July 1999
7
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
