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ADM213E_15 Datasheet, PDF (9/20 Pages) Analog Devices – RS-232 Line Drivers/Receivers
ADM206E/ADM207E/ADM208E/ADM211E/ADM213E
350
300
V–
250
200
150
V+
100
50
0
4.5
4.7
4.9
5.1
5.3
5.5
VCC (V)
Figure 18. Charge Pump Impedance vs. Power Supply Voltage
15
V+
10
5
0
–5
V–
–10
–15
0
5
10
15
20
LOAD CURRENT (mA)
Figure 19. Charge Pump V+, V− vs. Load Current
Rev. E | Page 9 of 20