Datasheet

±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,
RS-232 Transceivers with AutoShutdown
Typical Operating Characteristics (continued)
(V
CC
= +3.3V, 250kbps data rate, 0.1µF capacitors, all transmitters loaded with 3kΩ and C
L
, T
A
= +25°C, unless otherwise noted.)
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
0
MAX3243E
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX3224E-04
LOAD CAPACITANCE (pF)
TRANSMITTER OUTPUT VOLTAGE (V)
2000 30001000 4000 5000
1 TRANSMITTER AT 250kbps
2 TRANSMITTERS AT 15.6kbps
V
OUT+
V
OUT-
0
4
2
8
6
12
10
14
0 1000 2000 3000 4000 5000
MAX3243E
SLEW RATE vs. LOAD CAPACITANCE
MAX3243E-05
LOAD CAPACITANCE (pF)
SLEW RATE (V/µs)
0
30
20
10
40
50
60
0 20001000 3000 4000 5000
MAX3243E
OPERATING SUPPLY CURRENT
vs. LOAD CAPACITANCE
MAX3243E-06
LOAD CAPACITANCE (pF)
SUPPLY CURRENT (mA)
250kbps
120kbps
20kbps
T1 TRANSMITTING AT 250kbps
T2 (MAX3223E) TRANSMITTING AT 15.6kbps
0
5
10
15
20
25
30
35
40
45
0 20001000 3000 4000 5000
MAX3221E/MAX3223E
OPERATING SUPPLY CURRENT
vs. LOAD CAPACITANCE
MAX3224E-03
LOAD CAPACITANCE (pF)
SUPPLY CURRENT (mA)
250kbps
120kbps
20kbps
T1 TRANSMITTING AT 250kbps
T2 (MAX3223E) TRANSMITTING AT 15.6kbps
Maxim Integrated
5
MAX3221E/MAX3223E/MAX3243E