MAX202E–MAX213E,
MAX232E/MAX241E
±15kV ESD-Protected,
5V RS-232 Transceivers
Typical Operating Characteristics (continued)
MAX202E/MAX203E/MAX232E
TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE
MAX202E-TOC6
MAX205E–MAX208E
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX202E TOC-07
MAX205E–MAX208E
TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE
18
16
SLEW RATE (V/μs)
14
12
10
8
6
RISE
FALL
V
CC
= +4.5V, R
L
= 3kΩ
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/8 DATA RATE
MAX202E TOC-08
14
12
SLEW RATE ( V/μs)
10
8
-SLEW RATE
6
4
2
0
1000
2000
3000
4000
+SLEW RATE
ALL TRANSMITTERS LOADED
DATA RATE = 120kbps
R
L
= 3kΩ
7.5
5.0
OUTPUT VOLTAGE (V)
240kbps
2.5
0
-2.5
240kbps
-5.0
-7.5
0
1000
2000
3000
20kbps
120kbps
20
V
CC
= +4.5V, R
L
= 3kΩ
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/8 DATA RATE
120kbps
20kbps
4
2
0
5000
4000
5000
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
MAX205E–MAX208E
SUPPLY CURRENT
vs. LOAD CAPACITANCE
MAX202E TOC-09
MAX205E–MAX208E
OUTPUT VOLTAGE vs. DATA RATE
7.5
OUTPUT VOLTAGE (V)
5.0
2.5
0
-2.5
-5.0
V
OUT-
V-
0
30
60
90
120 150 180 210 240
V+
V
OUT
+
V
CC
= +4.5V, R
L
= 3kΩ
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/8 DATA RATE
MAX202E TOC-10
50
240kbps
45
SUPPLY CURRENT (mA)
40
35
30
25
20
0
1000
2000
3000
4000
20kbps
V
CC
= +4.5V, R
L
= 3kΩ
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/8 DATA RATE
120kbps
10.0
-7.5
-10.0
5000
LOAD CAPACITANCE (pF)
DATA RATE (kbps)
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