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Product Detailed Parameters
- Description：IC TRANSCEIVER FULL 5/3 24PDIP
- Mfr：Analog Devices Inc.
- Package：Tube,Tube
- Series：-
- Type：Transceiver
- Protocol：RS232
- Number of Drivers/Receivers：5月3日
- Duplex：Full
- Data Rate：120Kbps
- Voltage - Supply：4.75V ~ 5.25V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Through Hole
- Package / Case：24-DIP (0.300", 7.62mm)
- Supplier Device Package：24-PDIP
- Receiver Hysteresis：650 mV
- Grade：-
- Qualification：-
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Overview
The ADM237LAN is a CMOS RS-232 transceiver designed for single 5 V power supply operation. It integrates five drivers and three receivers, supporting data rates up to 120 kbps. The device utilizes internal charge pumps to generate ±10 V supplies from the 5 V input, requiring four external 1 µF capacitors. It operates within a voltage range of 4.75 V to 5.25 V and draws 13 mA at no load. The component supports an industrial temperature range of -40°C to +85°C and is housed in a 24-pin PDIP package.
Feature Summary
- Integrates five TTL/CMOS-to-RS-232 drivers and three RS-232-to-TTL/CMOS receivers on a single chip.
- Includes internal DC-to-DC converters that generate the required ±10 V levels from a single 5 V supply.
- Features Schmitt trigger inputs on receivers to ensure noise immunity and error-free reception.
- Complies with EIA-232-E and V.28 specifications for signal levels and interface requirements.
Applications
- Computers
- Peripherals
- Modems
- Printers
- Instruments
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type and temperature grade. Confirm RoHS compliance status as indicated in the latest datasheet revision. Ensure the procurement channel provides valid traceability for Analog Devices components.
Selection Notes
Select this part when five driver channels are required alongside three receiver channels. It is suitable for designs constrained to a single 5 V supply without access to higher voltage rails. Verify that the application does not require a low-power shutdown mode, as this variant lacks the SD pin found in other family members.
Part Context
The ADM237L belongs to the ADM2xxL family of enhanced CMOS RS-232 transceivers. This series offers lower power consumption and faster slew rates compared to the legacy AD2xx family. It allows operation with smaller 1 µF capacitors, reducing board space requirements for standard RS-232 interfaces.
Replacement Considerations
Publicly confirmed substitute part numbers include MAX237CNG+ and MAX237ENG+. These parts offer similar functionality within the same interface category.
