ADM222/ADM232A/ADM242–Typical Performance Characteristics
12
10
8
12
10
8
V
= ±5V
CC
V
= ±5V
CC
T = +25°C
A
T
= +25°C
A
V+
T
OUT
HIGH
| V– |
6
6
| T
LOW |
OUT
4
4
2
2
0
0
5
10
15
0
2
4
6
I
8
10
12
14
0
I+, ( | I– | ) – mA
– mA
OUT
Figure 13. Charge Pump V+, V– vs. Current
Figure 16. Transmitter Output Voltage vs. Current
9
20kB
60kB
8
7
A4
0.010V
120kB
100
90
6
5
200kB
10
4
3
0%
V
= +5V
CC
T
A
= +25°C
400kB
500kB
5V
5V
100µs
TX1 = +5V; TX2 = 0V – 5V SQUARE WAVE
BOTH TX OUTPUTS LOADED WITH 3k//CL
2
1000
2000
3000
4000
0
LOAD CAPACITANCE – pF
Figure 14. Transmitter Baud Rate vs. Load Capacitance
Figure 17. Charge Pump V+, V– Exiting Shutdown
A2
2.4V
A1
–0.6 V
100
90
100
90
10
10
0%
0%
5V
5V
5V 5V
1µs
1 µs
Figure 15. Transmitter Unloaded Slew Rate
Figure 18. Transmitter Fully Loaded Slew Rate
–6–
REV. 0
ADI [ ADI ]
