MAX13223E Maxim Integrated Products, MAX13223E Datasheet

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MAX13223E

Manufacturer Part Number
MAX13223E
Description
2Tx/2Rx RS-232 Transceiver
Manufacturer
Maxim Integrated Products
Datasheet

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MAX13223EEUP
Manufacturer:
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Quantity:
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The MAX13223E is a +3.0V to +5.5V-powered EIA/TIA-
232 and V.28 communications interface with fault protec-
tion on the RS-232 line interface. This allows shorts of the
transmitter outputs and receiver inputs to voltages in the
±70V range without adversely affecting the MAX13223E.
The MAX13223E achieves 1µA supply current using
Maxim’s AutoShutdown™ feature. The MAX13223E
automatically enters a low-power shutdown mode when
the RS-232 cable is disconnected or the receivers are
inactive. The device turns on again when a valid transi-
tion at any receiver input is sensed. A proprietary, high-
efficiency, dual charge-pump power supply and a
low-dropout transmitter combine to deliver true RS-232
performance from a single +3.0V to +5.5V supply.
The MAX13223E has two receivers and two drivers and is
guaranteed to run at data rates of 250kbps for one trans-
mitter switching while maintaining RS-232 output levels.
The MAX13223E operates from input voltages ranging
from +3.0V to +5.5V and is available in a 20-pin, 6.5mm
x 4.4mm, TSSOP package. The MAX13223E is speci-
fied over the -40°C to +85°C temperature range.
19-4585; Rev 0; 4/09
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
Typical Operating Circuit appears at end of data sheet.
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.
Automotive
Telematics Equipment
Base Stations
Utility Meters
Industrial Equipment
Telecomm Equipment
POS Terminal Equipment
________________________________________________________________ Maxim Integrated Products
General Description
±70V Fault-Protected, 3.0V to 5.5V,
Applications
2Tx/2Rx RS-232 Transceiver
o ±70V Fault Protection
o +3.0V to +5.5V Supply Voltage
o Overvoltage Current Limiting
o Current Protection at Transmitter Outputs
o AutoShutdown
o 250kbps (Max) Data Rate
o Low Current Consumption in Shutdown 1µA (typ)
o Thermal Shutdown Protection
o ±8kV IEC 61000-4-2 Contact-Discharge Method
o -40°C to +85°C Operating Temperature Range
+ Denotes a lead(Pb)-free/RoHS-compliant package.
MAX13223EEUP+
TTL/CMOS
TTL/CMOS
OUTPUTS
PART
INPUTS
C1
C2
Typical Operating Circuit
C1-
C2-
T1IN
T2IN
R1OUT
R2OUT
C1+
C2+
EN
FORCEON
C
BYPASS
0.1µF
-40°C to +85°C
TEMP RANGE
Ordering Information
MAX13223E
GND
V
V
CC
CC
5kΩ
5kΩ
FORCEOFF
INVALID
T1OUT
T2OUT
R1IN
R2IN
V+
V-
PIN-PACKAGE
Features
V
20 TSSOP
TO POWER-
MANAGEMENT
UNIT
CC
C3
C4
RS-232
OUTPUTS
RS-232
INPUTS
1

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