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Product Detailed Parameters
- Description：IC TRANSCEIVER HALF 1/1 8SOIC
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Series：-
- Type：Transceiver
- Protocol：RS422, RS485
- Number of Drivers/Receivers：1月1日
- Duplex：Half
- Data Rate：250kbps
- Voltage - Supply：3V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Receiver Hysteresis：50 mV
- Grade：-
- Qualification：-
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Overview
The MAX3483EESA+T is a half-duplex RS-485/RS-422 transceiver manufactured by Analog Devices Inc./Maxim Integrated. It operates from a single +3.0V to +3.6V supply without requiring a charge pump. The device features one driver and one receiver with a guaranteed data rate of 250kbps. Its driver is slew-rate limited to minimize electromagnetic interference (EMI) and reduce reflections on improperly terminated cables. Enhanced ESD protection is provided on all transmitter outputs and receiver inputs, rated at ±15kV via the Human Body Model and IEC 1000-4-2 Air-Gap Discharge methods. The component supports a low-current shutdown mode drawing typically 2nA.
Feature Summary
- Slew-rate-limited drivers minimize EMI and reduce signal reflections for error-free transmission.
- Enhanced electrostatic discharge (ESD) protection on all I/O pins withstands high static events.
- Low-power shutdown mode significantly reduces supply current consumption during inactivity.
- Fail-safe receiver guarantees a logic-high output when differential inputs are open.
Applications
- Telecommunications
- Industrial-Control Local Area Networks
- Transceivers for EMI-Sensitive Applications
- Integrated Services Digital Networks
- Packet Switching
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm package type and temperature range. Ensure the component meets RoHS compliance requirements for the intended deployment environment. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm authenticity and availability status before finalizing procurement orders.
Selection Notes
Select this component for applications requiring half-duplex communication with strict EMI constraints due to its slew-rate-limited driver. Verify that the system operates within the specified 3.0V to 3.6V voltage range. Confirm compatibility with +5V logic levels if interfacing with higher voltage controllers. Ensure the required data rate does not exceed 250kbps for optimal performance.
Part Context
The MAX3483E belongs to the MAX3483E family of 3.3V-powered transceivers designed for RS-485 and RS-422 communications. This family includes variants such as the MAX3485E, MAX3486E, MAX3488E, MAX3490E, and MAX3491E, which offer different data rates and duplex configurations while sharing common interface standards and protection features.
Replacement Considerations
The MAX3483EEPA is a plastic DIP alternative within the same series. Other family members like the MAX3485E or MAX3486E may serve as substitutes if higher data rates or partial slew-rate limiting are acceptable.
FAQ
What is the maximum data rate supported by the MAX3483E?
The MAX3483E supports a maximum data rate of 250kbps.
How does the MAX3483E handle ESD events?
It provides enhanced ESD protection rated at ±15kV using the Human Body Model and IEC 1000-4-2 Air-Gap Discharge methods.
Does the MAX3483E require a charge pump for operation?
No, it operates from a single +3.3V supply without the need for a charge pump.
