Datasheet

MAX13234E–MAX13237E
3Mbps RS-232 Transceivers with
Low-Voltage Interface
8 _______________________________________________________________________________________
READY TURN-OFF TIME
vs. TEMPERATURE
MAX13234E toc10
TEMPERATURE (°C)
READY TURN-OFF TIME (µs)
-15 6010 35
0.6
0.8
1.0
1.6
1.8
0.2
0.4
1.2
1.4
2.0
0
-40 85
SUPPLY CURRENT vs. DATA RATE
MAX13234E toc11
DATA RATE (kbps)
SUPPLY CURRENT (mA)
0.1 10.01
10
15
25
30
5
20
35
0
0.001 10
MAX13235E
1 TRANSMITTER
OPERATING
R
L
= 3k
Ω
, C
L
= 150pF
LOGIC-INPUT THRESHOLD vs. V
L
MAX13234E toc12
V
L
(V)
LOGIC-INPUT THRESHOLD (V)
3.5 4.52.5
1.5
1.7
2.1
2.3
1.3
0.9
1.1
0.7
1.9
2.5
0.5
1.5 5.5
V
CC
= 5.5V
V
IH
V
IL
TRANSMITTER OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
MAX13234E toc13
SUPPLY COLTAGE (V)
OUTPUT VOLTAGE (V)
3.5 4.54.0 5.0
-4
-2
2
4
6
-6
0
8
-8
3.0 5.5
MAX13235E/MAX13237E
R
L
= 3k
Ω
, C
L
= 150pF
1 TRANSMITTER
OPERATING AT 1Mbps
V+
V-
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX13234E toc14
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
264
-4
-2
2
4
6
-6
0
8
-8
08
1 TRANSMITTER
OPERATING, DC
V+
V-
Typical Operating Characteristics (continued)
(V
CC
= V
L
= 3.3V, T
A
= +25°C, unless otherwise noted.)