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Product Detailed Parameters
- Description：IC TRANSCEIVER FULL 2/2 20TSSOP
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Bulk
- Series：-
- Type：Transceiver
- Protocol：RS232
- Number of Drivers/Receivers：2月2日
- Duplex：Full
- Data Rate：250kbps
- Voltage - Supply：3V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：20-TSSOP
- Receiver Hysteresis：350 mV
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Overview
The MAX3322EEUP is a dual RS-232 transceiver manufactured by Analog Devices Inc. under the Maxim Integrated brand, housed in a 20-TSSOP surface-mount package. It operates on a single power supply ranging from 3 V to 5.5 V and supports full-duplex communication at data rates up to 250 kbps. The device features 15 kV ESD protection on all pins and includes two drivers and two receivers. Key electrical parameters include a propagation delay of 0.18 µs for drivers and 0.7 µs for receivers, with a typical operating supply current of 1 mA. It functions within an industrial temperature range of -40°C to +85°C.
Feature Summary
- Integrated 15 kV electrostatic discharge (ESD) protection on all RS-232 signal pins.
- Capable of driving standard RS-232 voltage levels using external charge pumps.
- Designed for multidrop applications with robust fault tolerance.
Applications
- Multidrop serial communication systems
- Industrial control interfaces
- Data acquisition equipment
Procurement Notes
Verify the specific suffix against official datasheets to confirm pinout compatibility and thermal characteristics. Ensure the component source is authorized to prevent counterfeit risks. Cross-reference the RoHS status and packaging type with current distributor listings before finalizing orders.
Selection Notes
Select this component when bidirectional level shifting between microcontrollers and RS-232 lines is required. It is suitable for designs needing moderate data rates and high noise immunity. Consider the TSSOP-20 footprint constraints during PCB layout planning.
Part Context
This part belongs to the MAX3322E series of low-power RS-232 transceivers. It shares functional similarities with the MAX3222E but offers enhanced ESD protection ratings. The EEUP variant specifically denotes the extended temperature range and tube packaging configuration.
Replacement Considerations
The MAX3322EEUP+T is a tape-and-reel version of the same die. Verify pin compatibility with the MAX3222E if substituting, though ESD ratings may differ.
