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5 V Powered CMOS RS-232 Drivers/Receivers
ADM223/ADM230L–ADM241L
FEATURES
ADM232L TYPICAL OPERATING CIRCUIT
Singl...
a
5 V Powered
CMOS RS-232 Drivers/Receivers
ADM223/ADM230L–ADM241L
FEATURES
ADM232L TYPICAL OPERATING CIRCUIT
Single 5 V Power Supply
5V INPUT
Meets All EIA-232-E and V.28 Specifications 120 kB/s Data Rate On-Board DC-DC Converters
1F 6.3V
C1+ +5V TO +10V VCC
VOLTAGE
C1– DOUBLER
V+
1F 6.3V
1F 6.3V
؎9 V Output Swing with 5 V Supply
Small 1 F
Capacitors Low Power Shutdown ≤1 A Receivers Active in Shutdown (ADM223) ؎30 V Receiver Input Levels Latch-Up FREE Plug-In Upgrade for MAX223/230-241 Plug-In Upgrade for AD230–AD241
OAPPLICATIONS Computers BPeripherals SModems Printers OInstruments LGENERAL DESCRIPTION EThe ADM2xx family of line drivers/receivers is intended for all EIA-232-E and V.28 communications interfaces, especially in TEapplications where ±12 V is not available. The ADM223,
1F 16V
TTL/
CMOS INPUTS*
T1IN T2IN
TTL/
CMOS OUTPUTS
R1OUT R2OUT
C2+ +10V TO –10V
VOLTAGE
C2– INVERTER
V–
T1
T2
R1
R2
GND ADM232L
1F 16V
T1O...