±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,
RS-232 Transceivers with AutoShutdown
MAX3221E/MAX3223E/MAX3243E
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.)
MAX3221E/MAX3223E
OPERATING SUPPLY CURRENT
vs. LOAD CAPACITANCE
TRANSMITTER OUTPUT VOLTAGE (V)
40
SUPPLY CURRENT (mA)
35
30
25
20
15
10
5
0
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
T1 TRANSMITTING AT 250kbps
T2 (MAX3223E) TRANSMITTING AT 15.6kbps
20kbps
250kbps
120kbps
MAX3224E-03
MAX3243E
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
V
OUT+
1 TRANSMITTER AT 250kbps
2 TRANSMITTERS AT 15.6kbps
MAX3224E-04
45
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
0
1000
2000
3000
V
OUT-
4000
5000
LOAD CAPACITANCE (pF)
MAX3243E
SLEW RATE vs. LOAD CAPACITANCE
MAX3243E-05
MAX3243E
OPERATING SUPPLY CURRENT
vs. LOAD CAPACITANCE
MAX3243E-06
14
12
SLEW RATE (V/µs)
10
8
6
4
2
0
0
1000
2000
3000
4000
60
50
SUPPLY CURRENT (mA)
250kbps
40
30
20kbps
20
10
0
T1 TRANSMITTING AT 250kbps
T2 (MAX3223E) TRANSMITTING AT 15.6kbps
0
1000
2000
3000
4000
120kbps
5000
5000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
_______________________________________________________________________________________
5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
