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Product Detailed Parameters
- Description：IC TRANSCEIVER FULL 2/2 18SOIC
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Series：-
- Type：Transceiver
- Protocol：RS232
- Number of Drivers/Receivers：2月2日
- Duplex：Full
- Data Rate：120Kbps
- Voltage - Supply：3V ~ 5.5V
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：18-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：18-SOIC
- Receiver Hysteresis：300 mV
- Grade：-
- Qualification：-
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Overview
The MAX3222CWN+T is a low-power, true RS-232 transceiver manufactured by Analog Devices Inc./Maxim Integrated. It features two drivers and two receivers within an 18-pin Wide SOIC package. The device operates from a single +3.0V to +5.5V supply and utilizes a dual charge pump requiring only four 0.1µF external capacitors. It guarantees data rates of 120kbps while maintaining standard RS-232 output levels. The component supports full-duplex communication with an operating temperature range of 0°C to +70°C.
Feature Summary
- Integrated dual charge pump eliminates the need for bipolar ±12V supplies
- Compatible with industry-standard MAX242 pinout and functionality
- Low shutdown supply current extends battery life in portable applications
Applications
- Battery-powered equipment
- Hand-held devices
- Peripherals
- Datacom equipment
Procurement Notes
Verify the specific suffix 'C' indicates the commercial temperature range (0°C to +70°C) and 'W' denotes the 18-pin Wide SOIC package. Confirm lead-free status via the '+' designation. Ensure ordering documentation matches the exact part number to avoid confusion with other package variants or extended temperature grades.
Selection Notes
Select this component when interfacing TTL/CMOS logic with RS-232 standards using a single voltage supply. It serves as a drop-in replacement for legacy MAX232 designs where board space savings and lower power consumption are required. Verify that the application does not require higher data rates than 120kbps or additional driver/receiver channels.
Part Context
This device belongs to the MAX3222/MAX3232/MAX3237/MAX3241 family of low-power RS-232 transceivers. It shares core architecture with the MAX3232 but is distinguished by its specific pin count and package configuration. The family is characterized by proprietary low-dropout transmitter stages and minimal external capacitor requirements.
Replacement Considerations
Public confirmed substitute part numbers include MAX3222EWN+T for extended temperature operation and MAX3232CWN+T for functional equivalence with different receiver configurations.
