ADM207ARS

Overview

The ADM207ARS is a CMOS RS-232 transceiver from the ADM2xx family, designed for EIA-232-E and V.28 interfaces using a single +5 V supply. It integrates two internal charge pump voltage converters to generate ±10 V supplies from the 5 V input, eliminating the need for external dual power rails. The device features five drivers and three receivers with TTL/CMOS compatibility. It operates at data rates up to 120 kB/s and includes Schmitt-trigger inputs on receivers for noise immunity. The part is housed in a 24-lead SSOP package and supports an industrial temperature range of -40°C to +85°C.

Feature Summary

• Integrates onboard dc-to-dc converters to generate required RS-232 voltages from a single 5 V supply
• Features five drivers and three receivers for comprehensive serial communication interfacing
• Includes Schmitt-trigger receiver inputs with hysteresis to improve noise rejection
• Provides latch-up free operation and robust receiver input protection against overvoltages

Applications

• Computers
• Peripherals
• Modems
• Printers
• Instruments

Procurement Notes

Verify the specific ordering suffix 'ARS' corresponds to the 24-lead Shrink Small Outline Package (SSOP) as defined in the manufacturer's ordering guide. Confirm that the 'Z' suffix indicating RoHS compliance is included if environmental standards require it. Ensure the component meets the specified industrial temperature range requirements for the target application environment before finalizing procurement.

Selection Notes

Select the ADM207ARS when a configuration of five drivers and three receivers is required without low power shutdown functionality. This part is suitable for applications where continuous operation is necessary and battery conservation is not a primary constraint. Compare pin counts and driver/receiver ratios against other members of the ADM2xx family to ensure interface compatibility with the specific system design requirements.

Part Context

The ADM207ARS belongs to the ADM2xx family of line drivers and receivers, which are enhancements of the earlier AD2xx series. These components are designed to provide plug-in compatibility while offering improved performance characteristics such as lower power consumption and integrated charge pumps. The family covers various combinations of drivers and receivers to suit different communication interface needs within the same package footprint constraints.

Replacement Considerations

The ADM206, ADM208, ADM211, and ADM213 are pin-compatible alternatives within the same family. The ADM206 and ADM211 include shutdown modes, while the ADM208 offers four drivers and four receivers. The ADM213 provides shutdown capability with two active receivers during shutdown. Verify pinout consistency and functional differences before substituting.