FEATURES

Single 5 V power supply

Meets all EIA-232-E and V.28 specifications

120 kbps data rate

On-board dc-to-dc converters

±9 V output swing with 5 V supply

Small 1 µF capacitors

Low power shutdown ≤1 µA

±30 V receiver input levels

Latch-up free

APPLICATIONS

Computers

Peripherals

Modems

Printers

Instruments

GENERAL DESCRIPTION

The ADM2xx family of line drivers/receivers is intended for all

EIA-232-E and V.28 communications interfaces, especially in

applications in which 12 V is not available. The ADM236L and

ADM241L feature a low power shutdown mode that reduces

power dissipation to less than 5 µW, making them ideally suited

for battery-powered equipment. The ADM233L does not

require any external components and is particularly useful in

applications where printed circuit board space is critical.

All members of the ADM2xxL family, except the ADM231L and

ADM239L, include two internal charge pump voltage converters

that allow operation from a single 5 V supply. These parts convert

the 5 V input power to the ±10 V required for RS-232 output