ADM232A_15 Datasheet, PDF (6/11 Pages) Analog Devices – CMOS RS-232 Drivers/Receivers

ADM222/ADM232A/ADM242–Typical Performance Characteristics
15
15
10
V+
5
10
Tx O/P HI
5
0
0
–5
V–
–10
–5
Tx O/P LO
–10
–15
0
5
10
15
20
25
30
LOAD CURRENT – mA
TPC 1. Charge Pump V+, V– vs. Current
–15
0
2
4
6
8
10
12
14
LOAD CURRENT – mA
TPC 4. Transmitter Output Voltage vs. Current
9
115kBps
7
230kBps
5
115kBps
3
1
–1
–3
460kBps
–5
460kBps
–7
230kBps
–9
0
500
1000
1500
2000
2500
3000
LOAD CAPACITANCE – pF
TPC 2. Transmitter Baud Rate vs. Load Capacitance
A4
100
90
0.010V
10
0%
5V
5V
100␮s
TPC 5. Charge Pump V+, V– Exiting Shutdown
T
⌬: 6.2V
⌬: 140ns
@: –3.5V
T
⌬: 6.0V
⌬: 600ns
@: –2.9V
T
T
CH1 10.0V CH2 5.00V M 1.00␮s CH2
–6.4V
TPC 3. Transmitter Unloaded Slew Rate
CH1 10.0V CH2 5.00V M 1.00␮s CH2
–6.4V
TPC 6. Transmitter Fully Loaded Slew Rate
–6–
REV. B