MAX232ACSE+ Maxim Integrated Products, MAX232ACSE+ Datasheet - Page 34

• Manufacturer Part Number: MAX232ACSE+
• Description: IC 2DVR/2RCVR RS232 5V 16-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX232ACSE+

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

+5V-Powered, Multichannel RS-232
Drivers/Receivers
Figure 25. MAX249 Pin Configuration and Typical Operating Circuit
34
RA1OUT
RA2OUT
RA3OUT
RA4OUT
RA5OUT
RA2IN
RA1IN
TA1IN
TA2IN
TA3IN
______________________________________________________________________________________
ENRA
TOP VIEW
10
11
12
13
14
15
16
17
8
7
9
MAX249 FUNCTIONAL DESCRIPTION
10 RECEIVERS
6 TRANSMITTERS
4 CONTROL PINS
5 A-SIDE RECEIVERS
5 B-SIDE RECEIVERS
3 A-SIDE TRANSMITTERS
3 B-SIDE TRANSMITTERS
ENABLE RECEIVER A-SIDE (ENRA)
ENABLE RECEIVER B-SIDE (ENRB)
ENABLE RECEIVER A-SIDE (ENTA)
ENABLE RECEIVER B-SIDE (ENTB)
18
6
19 20
5
4
21
3
22 23
MAX249
2
PLCC
+
1
44
24
43
25
42
26
41
27 28
40
39
38
37
36
35
34
33
32
31
30
29
RB3IN
RB2IN
RB1IN
ENRB
RB1OUT
RB2OUT
RB3OUT
RB4OUT
RB5OUT
TB1IN
TB2IN
1μF
1μF
21
23
24
25
18
15
16
17
10 RA1OUT
11 RA2OUT
12 RA3OUT
13 RA4OUT
14
1
2
3
8 RA1IN
7 RA2IN
6 RA3IN
5 RA4IN
4 RA5IN
9
C1+
C1-
C2+
C2-
ENTA
TA1OUT
TA1IN
TA2OUT
TA2IN
TA3OUT
TA3IN
RA5OUT
ENRA
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
+10V TO -10V VOLTAGE INVERTER
1μF
+5V TO +10V VOLTAGE DOUBLER
+5V
+5V
+5V
20
400kΩ
400kΩ
400kΩ
GND
V
+5V
CC
19
+5V
+5V
+5V
1μF
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
RB1OUT
RB2OUT
RB3OUT
RB4OUT
RB5OUT
TB1OUT
TB2OUT
TB3OUT
TB1IN
TB2IN
TB3IN
RB1IN
RB2IN
RB3IN
RB4IN
RB5IN
ENRB
ENTB
V+
V-
22
26
1μF
27
44
30
43
29
42
28
37
35
38
34
39
33
40
32
41
31
36