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Product Detailed Parameters
- Description：IC TRANSCEIVER FULL 4/4 24SOIC
- Mfr：Analog Devices Inc.
- Package：Bulk
- Series：AD238
- Type：Transceiver
- Protocol：RS232
- Number of Drivers/Receivers：4月4日
- Duplex：Full
- Data Rate：-
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：24-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：24-SOIC
- Receiver Hysteresis：500 mV
- Grade：-
- Qualification：-
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Overview
The AD238JR-REEL is a quad RS-232 transceiver manufactured by Analog Devices Inc. It integrates four drivers and four receivers within a single CMOS package, designed for low-power +5V applications. The device supports data rates up to 120 kb/s and operates with a supply voltage range of 4.5 V to 5.5 V. It features Schmitt trigger inputs on the receivers for noise immunity and complies with EIA-232-C and V.28 standards. The component is available in a 24-pin SOIC package and functions without a dedicated shutdown mode.
Feature Summary
- Integrates four independent drivers and four receivers for full RS-232 communication
- CMOS technology ensures low power consumption at +5V operation
- Receivers include Schmitt trigger inputs to improve noise rejection
Applications
- EIA/TIA-232-E communication interface systems
- Industrial control equipment requiring serial data transfer
- Embedded systems utilizing V.28/V.24 protocols
Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm packaging configuration. The REEL designation indicates tape-and-reel packaging, which differs from cut-tape or tube options. Ensure compatibility with existing PCB footprints for the 24-pin SOIC form factor before procurement.
Selection Notes
Select this component when a quad-channel RS-232 solution is required for low-power designs. It serves as a direct replacement for legacy ADM238 variants in industrial environments. Confirm that the operating temperature range meets system requirements, as commercial grades may differ from extended industrial specifications.
Part Context
This part belongs to the ADM238L family of low-power RS-232 transceivers. It is functionally equivalent to the ADM238JR but may differ in manufacturing lot or specific packaging details defined by the manufacturer. The device is part of Analog Devices' broader portfolio of interface ICs designed for reliable serial communication.
Replacement Considerations
Publicly confirmed substitutes include the ADM238JR and ADM238LJRZ. Verify pinout compatibility and electrical characteristics such as output swing and current consumption before substituting. Ensure the alternative part meets the same EIA-232-C compliance standards.
