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MAX239C-D

Description
RS-232 Interface IC +5V and +12V Pwrd, 3 RS-232 Xmttrs and 5 RS-232 Rcvrs w/Rcvr Enable
Categorysemiconductor    Analog mixed-signal IC   
File Size426KB,39 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX239C-D Overview

RS-232 Interface IC +5V and +12V Pwrd, 3 RS-232 Xmttrs and 5 RS-232 Rcvrs w/Rcvr Enable

MAX239C-D Parametric

Parameter NameAttribute value
Product CategoryRS-232 Interface IC
ManufacturerMaxim
Package / CaseDie
FunctionTransceiver
Data Rate120 kb/s
Number of Drivers3 Driver
Number of Receivers5 Receiver
Supply Voltage - Max5.5 V
Operating Supply Voltage5 V
Supply Voltage - Min4.5 V
Operating Supply Current1 mA
Minimum Operating Temperature0 C
Maximum Operating Temperature+ 70 C
ProductRS-232 Transceivers
Propagation Delay Time10 us
ShutdownWithout Shutdown
Supply TypeDual Supply
MAX220–MAX249
+5V-Powered, Multichannel
RS-232 Drivers/Receivers
General Description
The MAX220–MAX249 family of line drivers/receivers is
intended for all EIA/TIA-232E and V.28/V.24 communica-
tions interfaces, particularly applications where ±12V is
not available.
The MAX225, MAX233, MAX235, and MAX245/MAX246/
MAX247 use no external components and are
recommended for applications where printed circuit
board space is critical.
The MAX220-MAX249 are offered in 26 different pack-
ages with temperatures from 0 to +70°C up to -55°C to
+125°C. See ordering information table at the end of the
data sheet for all package and temperature options.
Benefits and Features
Saves Board Space
Integrated Charge Pump Circuitry
Eliminates the Need for a Bipolar
±12V
Supply
Enables Single Supply Operation from +5V Supply
Integrated Capacitors (MAX223, MAX233, MAX235,
MAX245-MAX247)
Saves Power for Reduced Power Requirements
5µW Shutdown Mode
Ordering Information and Selection Table appears at end
of data sheet.
Applications
Interface Translation
Multidrop RS-232 Networks
Portable Diagnostics Equipment
AutoShutdown and UCSP are trademarks of Maxim Integrated
Products, Inc.
MAX220/MAX232/MAX232A Pin Configuration and Typical Operating Circuit
+5V INPUT
C3
TOP VIEW
C5
C1+ 1
V+ 2
C1- 3
C2+ 4
C2- 5
V- 6
T2OUT 7
R2IN 8
+
16 V
CC
15 GND
14 T1OUT
C1
C2
16
V
CC
C1+
+5V TO +10V
3 C1-
VOLTAGE DOUBLER
4
C2+
+10V TO -10V
5 C2- VOLTAGE INVERTER
1
+5V
400kΩ
11 T1IN
V+ 2 +10V
6
-10V
C4
V-
MAX220
MAX232
MAX232A
13 R1IN
12 R1OUT
11 T1IN
10 T2IN
9
R2OUT
TTL/CMOS
INPUTS
T1OUT 14
RS-232
OUTPUTS
T2OUT 7
+5V
400kΩ
10 T2IN
12 R1OUT
DIP/SO
CAPACITANCE (μF)
DEVICE
C1 C2 C3 C4 C5
MAX220
0.047 0.33 0.33 0.33 0.33
MAX232
1.0 1.0 1.0 1.0 1.0
MAX232A
0.1 0.1 0.1 0.1 0.1
TTL/CMOS
OUTPUTS
R1IN 13
5kΩ
RS-232
INPUTS
9 R2OUT
R2IN 8
5kΩ
GND
15
19-4323; Rev 17; 1/15
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