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MAX13234EAUP+

Description
RS-232 interface IC 3-5.5V 250kbps RS232 line driver/receiver
Categorysemiconductor    Other integrated circuit (IC)   
File Size213KB,16 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

MAX13234EAUP+ Overview

RS-232 interface IC 3-5.5V 250kbps RS232 line driver/receiver

MAX13234EAUP+ Parametric

Parameter NameAttribute value
ManufactureMaxim Integrated
Product CategoryRS-232 Interface IC
RoHSYes
FunctiTransceive
Data Rate250 kb/s
Number of Drivers2
Number of Receivers2
Operating Supply Voltage3 V to 5.5 V
Supply Curre1 mA
ShutdowYes
PackagingTube
Number of I/Os8
Operating Temperature Range- 40 C to + 85 C
Propagation Delay Time ns0.15 us
Factory Pack Quantity74
19-4343; Rev 0; 10/08
KIT
ATION
EVALU
BLE
AVAILA
3Mbps RS-232 Transceivers with
Low-Voltage Interface
General Description
Features
Data Rate Up to 3Mbps
Low-Voltage Logic Interface
+3V to +5.5V Supply Voltage
AutoShutdown Plus
1µA Shutdown Current
MAX13234E–MAX13237E
R1OUT
LOGIC-LEVEL TRANSLATION
The MAX13234E–MAX13237E are +3V to +5.5V pow-
ered EIA/TIA-232 and V.28/V.24 communications inter-
faces with high data-rate capabilities (up to 3Mbps), a
flexible logic voltage interface, and enhanced electro-
static discharge (ESD) protection. All receiver inputs
and transmitter outputs are protected to ±15kV IEC
61000–4-2 Air Gap Discharge, ±8kV IEC 61000-4-2
Contact Discharge, and ±15kV Human Body Model.
The MAX13234E/MAX13235E have two receivers and
two transmitters, while the MAX13236E/MAX13237E
have a single receiver and transmitter. The transmitters
have a low-dropout transmitter output stage, delivering
true RS-232 performance from a +3V to +5.5V supply
based on a dual charge pump. The charge pump
requires only four small 0.1µF capacitors for operation
from a +3.3V supply.
All devices achieve a 1µA supply current using Maxim’s
AutoShutdown Plus™ feature. These devices automati-
cally enter a low-power shutdown mode when the
RS-232 cable is disconnected or the devices driving
the transmitter and receiver inputs are inactive for more
than 30s.
The MAX13234E–MAX13237E are available in space-
saving TQFN and TSSOP packages and operate over
the -40°C to +85°C extended temperature range.
Functional Diagrams
1.62V to V
CC
3.0V to 5.5V
C
BYPASS1
C
BYPASS2
V
L
C1+
C1
C1-
C2+
C2
C2-
T1IN
TTL/CMOS
INPUTS
T2IN
V
CC
V+
C3
MAX13234E
MAX13235E
V-
C4
T1OUT
RS-232
OUTPUTS
T2OUT
R1IN
5kΩ
RS-232
INPUTS
Applications
Telematics
GPS Systems
Industrial Systems
Portable Devices
Wireless Modules
POS Systems
Communication Systems
Data Cables
TTL/CMOS
OUTPUTS
R2OUT
FORCEOFF
FORCEON
READY
R2IN
5kΩ
GND
AutoShutdown Plus is a registered trademark of Maxim
Integrated Products, Inc.
Functional Diagrams continued at end of data sheet.
Ordering Information/Selector Guide
PART
MAX13234EEUP+
MAX13234EETP+
MAX13235EEUP+
MAX13235EETP+
MAX13236EETE+
MAX13237EETE+
DRIVERS/
RECEIVERS
2x2
2x2
2x2
2x2
1x1
1x1
MAXIMUM
DATA RATE
250kbps
250kbps
3Mbps
3Mbps
250kbps
3Mbps
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
20 TSSOP
20 TQFN-EP*
20 TSSOP
20 TQFN-EP*
16 TQFN-EP*
16 TQFN-EP*
+Denotes
a lead-free/RoHS-compliant package.
*EP
= Exposed pad.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

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