Datasheet

3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232
Transceivers Using Four 0.1µF External Capacitors
10 Maxim Integrated
MAX3222/MAX3232/MAX3237/MAX3241
MAX3241
EN
23
R5OUT
15
R4OUT
16
R3OUT
17
R2OUT
18
R1OUT
19
R2OUTB
20
R1OUTB
21
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
R5IN 8
R4IN
7
6
R2IN 5
R1IN 4
SHDN
22
GND
25
T3IN
12
T2IN
13
T1IN
14
C2-
2
C2+
1
C1-
24
C1+
28
T3OUT
11
+V
COMPUTER SERIAL PORT
MOUSE
+V
-V
GND
Tx
T2OUT
10
T1OUT
9
V-
3
V+
27
V
CC
V
CC
C4
C3 C
1
C
2
0.1μF
V
CC
= 3V
to 5.5V
26
R3IN
Figure 4b. Mouse Driver Test Circuit
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
01234567
MAX3222-04
LOAD CURRENT PER TRANSMITTER (mA)
TRANSMITTER OUTPUT VOLTAGE (V)
V
OUT
+
V
CC
= 3.0V
V
OUT
-
V
OUT
+
V
CC
V
OUT
-
T1
T2
T3
Figure 4a. MAX3241 Transmitter Output Voltage vs. Load Current per Transmitter