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MAX239ERG

Description
RS-232 Interface IC +5V and +12V Pwrd, 3 RS-232 Xmttrs and 5 RS-232 Rcvrs w/Rcvr Enable
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size426KB,39 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX239ERG Overview

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

MAX239ERG Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeDIP
package instructionDIP, DIP24,.3
Contacts24
Reach Compliance Codenot_compliant
ECCN codeEAR99
Other featuresEXTERNAL CHARGE PUMP; TRISTATABLE RECEIVERS
Differential outputNO
Number of drives3
Input propertiesSCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-232-E; TIA-232-E; V.28; V.24
JESD-30 codeR-GDIP-T24
JESD-609 codee0
Humidity sensitivity level1
Number of functions3
Number of terminals24
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Minimum output swing10 V
Output characteristicsTOTEM-POLE
Maximum output low current0.0016 A
Output polarityINVERTED
Package body materialCERAMIC, GLASS-SEALED
encapsulated codeDIP
Encapsulate equivalent codeDIP24,.3
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)240
power supply5,12 V
Certification statusNot Qualified
Maximum receive delay10000 ns
Number of receiver bits5
Maximum seat height5.08 mm
Maximum supply voltage5.5 V
Minimum supply voltage4.5 V
Nominal supply voltage5 V
surface mountNO
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
maximum transmission delay10000 ns
width7.62 mm
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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