參數(shù)資料
型號： MAX13223EEUP+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/12頁
文件大?。?/td> 0K
描述： IC TXRX RS-232 2TX/2RX 20-TSSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 2/2
規(guī)程： RS232
電源電壓： 3 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 20-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 20-TSSOP
包裝： 帶卷 (TR)
General Description
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 1A 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.
Applications
Automotive
Telematics Equipment
Base Stations
Utility Meters
Industrial Equipment
Telecomm Equipment
POS Terminal Equipment
Features
±70V Fault Protection
+3.0V to +5.5V Supply Voltage
Overvoltage Current Limiting
Current Protection at Transmitter Outputs
AutoShutdown
250kbps (Max) Data Rate
Low Current Consumption in Shutdown 1A (typ)
Thermal Shutdown Protection
±8kV IEC 61000-4-2 Contact-Discharge Method
-40°C to +85°C Operating Temperature Range
MAX13223E
±70V Fault-Protected, 3.0V to 5.5V,
2Tx/2Rx RS-232 Transceiver
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-4585; Rev 1; 2/11
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.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
PART
TEMP RANGE
PIN-PACKAGE
MAX13223EEUP+
-40°C to +85°C
20 TSSOP
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
MAX13223E
FORCEON
EN
R2OUT
R1OUT
FORCEOFF
INVALID
R2IN
GND
RS-232
OUTPUTS
TTL/CMOS
INPUTS
T2IN
T1IN
R1IN
T2OUT
T1OUT
V-
V+
VCC
RS-232
INPUTS
TO POWER-
MANAGEMENT
UNIT
TTL/CMOS
OUTPUTS
C3
CBYPASS
0.1
μF
C4
5k
Ω
5k
Ω
C2-
C2+
C2
C1-
C1+
C1
Typical Operating Circuit
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