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The ADM232LJR is a CMOS RS-232 line driver and receiver manufactured by Analog Devices Inc. It operates from a single 5 V power supply and meets all EIA-232-E and V.28 specifications. The device integrates two drivers and two receivers, supporting data rates up to 120 kbps. It utilizes on-board DC-to-DC converters with small 1 µF capacitors to generate the required ±9 V output swing. The component features ±30 V receiver input levels for protection and latch-up-free operation.
Verify the specific suffix against the manufacturer's ordering guide to confirm package type and temperature range. Ensure the procurement source provides valid documentation matching the Analog Devices datasheet revision. Confirm that the component meets RoHS requirements if applicable to the project constraints.
Select this part when a dual-channel RS-232 interface is required with a single 5 V supply. It serves as an enhanced upgrade to the AD2xx family with lower power consumption and faster slew rates. Consider the ADM233L if external capacitors are undesirable, or the ADM236L if low-power shutdown functionality is needed.
The ADM232L belongs to the ADM2xxL family of RS-232 transceivers designed for applications where 12 V supplies are unavailable. This family offers an enhanced upgrade over the legacy AD2xx series, featuring improved power efficiency and compatibility with smaller external capacitors. The L-series designation indicates optimization for standard 5 V digital logic systems.
The ADM232A is a pin-compatible alternative within the same product family. Verify that the replacement supports the required 120 kbps data rate and matches the SOIC-16 package dimensions.