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Product Detailed Parameters
- Description：IC TRANSCEIVER FULL 2/2 16SOIC
- Mfr：Analog Devices Inc.
- Package：Bulk
- Series：AD232
- Type：Transceiver
- Protocol：RS232
- Number of Drivers/Receivers：2月2日
- Duplex：Full
- Data Rate：-
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Receiver Hysteresis：500 mV
- Grade：-
- Qualification：-
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Overview
The ADM232AR is a high-speed, single-supply RS-232 transceiver from Analog Devices. It integrates two drivers and two receivers capable of data rates up to 200 kbps. The device utilizes an internal charge pump requiring only 0.1 µF external capacitors to generate bipolar voltages from a single 5 V supply. It provides ±9 V output swings and supports ±30 V receiver input levels, ensuring compliance with EIA-232-E and V.28 standards.
Feature Summary
- High-speed transmission capability up to 200 kbps
- Single 5 V power supply operation with integrated DC-DC converters
- Requires small 0.1 µF charge pump capacitors
- Robust ±30 V receiver input protection
Applications
- Computer serial communication ports
- Peripheral interface connections
- Modem link interfaces
- Printer port implementations
- Industrial instrument control systems
Procurement Notes
Verify the specific suffix 'AR' against official Analog Devices documentation to confirm package type and temperature range. Ensure compatibility with existing PCB footprints for SOIC-16 packages. Confirm that the design accommodates the required 0.1 µF external capacitors for the charge pump circuitry as specified in the datasheet.
Selection Notes
Select this component when a single 5 V supply is available and high-speed RS-232 communication is required. It serves as a pin-compatible alternative to legacy MAX232/MAX222 designs while offering improved speed. Consider the integrated charge pump efficiency and reduced external component count compared to older generations.
Part Context
This part belongs to the ADM232 family of CMOS RS-232 drivers and receivers. The family is designed for applications requiring reliable serial communication over moderate distances. The ADM232 series maintains compatibility with industry-standard interfaces while providing enhanced performance characteristics suitable for modern embedded systems.
Replacement Considerations
The ADM232AARW is documented as a related variant within the same product family. Verify pinout compatibility and electrical specifications before substitution. Other members of the ADM222/ADM242 families may offer similar functionality but require confirmation of specific interface requirements.
