Datasheet

ADM231L–ADM234L/ADM236L–ADM241L
Rev. C | Page 8 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
LOAD CURRENT (mA)
–15
510
V+/V– (V)
V+
15
V–
20
0
–10
–5
0
5
10
15
00070-0-026
Figure 12. Charge Pump V+ and V− vs. Current
LOAD CAPACITANCE (pF)
0
0 500
SLEW RATE (V/
µ
s)
5
NEGATIVE
SLEW
50
1000
10
15
20
25
30
35
40
45
POSITIVE
SLEW
1500 2000 2500 3000
00070-0-027
Figure 13. Transmitter Slew Rate vs. Load Capacitance
V
CC
(V)
–9
4.0 4.5
Tx O/P (V)
5.0 5.5 6.0
–7
–5
–3
–1
1
3
5
7
9
Tx O/P HI LOADED
Tx O/P LO LOADED
00070-0-028
Figure 14. Transmitter Output Voltage vs. V
CC
LOAD CURRENT (mA)
–15
0
Tx O/P (V)
Tx O/P HI
48
–10
–5
0
5
10
15
Tx O/P LO
10
00070-0-029
62
Figure 15. Transmitter Output Voltage vs. Current
V
CC
(V)
0
4.5 4.7
IMPEDANCE (Ω)
200
100
50
V+ IMP
V– IMP
150
250
300
350
4.9 5.1 5.3 5.5
00070-0-030
Figure 16. Charge Pump Impedance vs. V
CC