AD600/AD602
90
80
70
60
50
40
30
COMBINED
A1
20
A2
10
0
–10
–0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VC
Figure 5. Plot of Separate and Overall Gains in Sequential
Control
75
70
65
60
55
50
45
40
35
30
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
VC
Figure 8. SNR for Cascaded Stages—Parallel Control
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VC
Figure 6. Gain Error for Cascaded Stages—Sequential
Control
1.2
1.0
0.8
0.6
0.4
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3
VC
Figure 9. Gain Error for Cascaded Stages—Low Ripple
Mode
5
4
3
2
1
0
–1
–2
–3
–4
–5
–0.1 0
0.2 0.4
0.6
0.8
1.0
1.2
VC
Figure 7. Gain Error for Cascaded Stages—Parallel
Control
80
75
70
65
60
55
50
45
40
35
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
VC
Figure 10. ISNR vs. Control Voltage—Low Ripple Mode
REV. A
–7–