Datasheet

ADM3251E Data Sheet
400
V–
350
300
250
200
150
100
50
0
3.00 3.25 3.50 3.75 4.00 4.25 4.50 4.75 5.00 5.25 5.50
V
ISO
(V)
CHARGE PUMP IMPEDANCE (Ω)
07388-010
V+
Figure 9. Charge Pump Impedance vs. V
ISO
200
180
160
140
120
100
80
60
40
20
0
0 46 92
138 184 230
276 322 368 414 460
DATA RATE (kbps)
SUPPLY CURRENT (mA)
07388-003
V
CC
= 4.5V
V
CC
= 5.5V
V
CC
= 5V
Figure 10. Primary Supply Current vs. Data Rate
07388-012
5
V
/
D
I
V5
V/
D
I
V
TIME (500ns/DIV)
2
1
V
CC
= 5V
LOAD = 3kΩ AND 1nF
Figure 11. 460 kbps Data Transmission
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
4.50 4.75 5.00 5.25 5.50
V
CC
(V)
T
IN
VOLTAGE THRESHOLD (V)
07388-011
HIGH THRESHOLD
LOW THRESHOLD
Figure 12. T
IN
Voltage Threshold vs. V
CC
Rev. G | Page 10 of 16