MAX238CWG+ Maxim Integrated Products, MAX238CWG+ Datasheet - Page 10
![IC 4DVR/4RCVR RS232 5V 24-SOIC](/photos/6/58/65845/406-175-24-soic_sml.jpg)
MAX238CWG+
Manufacturer Part Number
MAX238CWG+
Description
IC 4DVR/4RCVR RS232 5V 24-SOIC
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Datasheet
1.MAX222CPN.pdf
(38 pages)
Specifications of MAX238CWG+
Number Of Drivers/receivers
4/4
Protocol
RS232
Voltage - Supply
4.5 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
24-SOIC (7.5mm Width)
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Data Rate
120 Kbps
Interface
RS-232
Maximum Power Dissipation
941 mW
Minimum Operating Temperature
0 C
Supply Current
7 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
+5V-Powered, Multichannel RS-232
Drivers/Receivers
10
__________________________________________Typical Operating Characteristics
18
16
14
12
10
8
6
4
2
______________________________________________________________________________________
0
TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE
1
LOAD CAPACITANCE (nF)
EXTERNAL POWER SUPPLY
1μF CAPACITORS
2
3
40kb/s DATA RATE
8 TRANSMITTERS
LOADED WITH 3kΩ
V
4
CC
= +5V
5
MAX225/MAX244–MAX249
-10
10
-2
-4
-6
-8
8
6
4
2
0
0
V
EXTERNAL CHARGE PUMP
1μF CAPACITORS
8 TRANSMITTERS
DRIVING 5kΩ AND
2000pF AT 20kb/s
V+ AND V- LOADED
vs. LOAD CURRENT FOR V+ AND V-
V+ AND V- LOADED
CC
= +5V
5
10
OUTPUT VOLTAGE
LOAD CURRENT (mA)
15
20
EITHER V+ OR
V- LOADED
25
V- LOADED
V+ LOADED
30
35
7.5
8.5
8.0
7.0
6.5
6.0
5.5
9.0
5.0
TRANSMITTER OUTPUT VOLTAGE (V+, V-)
0
ALL CAPACITIORS 1μF
V
CC
vs. LOAD CAPACITANCE AT
= +5V WITH ALL TRANSMITTERS DRIVEN
DIFFERENT DATA RATES
1
LOAD CAPACITANCE (nF)
200kb/s
2
3
LOADED WITH 5kΩ
100kb/s
40kb/s
10kb/s
20kb/s
60kb/s
4
5