MAX3491CPD
- Mfr.Part #
- MAX3491CPD
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 14-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- RS-485/RS-422 TRANSCVR
- Stock
- 1,198
- In Stock :
- 1,198
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Drivers, Receivers, Transceivers
- Supply Voltage :
- 3.3V
- JESD-609 Code :
- e3
- Receive Delay-Max :
- 90 ns
- Width :
- 7.62mm
- Receiver Number of Bits :
- 1
- Output Low Current-Max :
- 0.0025A
- Terminal Pitch :
- 2.54mm
- Base Part Number :
- MAX3491
- Out Swing-Min :
- 2 V
- ECCN Code :
- EAR99
- Terminal Position :
- Dual
- Driver Number of Bits :
- 1
- Peak Reflow Temperature (Cel) :
- 260
- Input Characteristics :
- DIFFERENTIAL SCHMITT TRIGGER
- Height Seated (Max) :
- 4.572mm
- Transmit Delay-Max :
- 35 ns
- Output Polarity :
- Complementary
- Number of Pins :
- 14
- Number of Functions :
- 1
- Operating Temperature :
- 0°C~70°C
- Pbfree Code :
- yes
- Supply Current-Max :
- 2.2mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Duplex :
- Full
- Number of Drivers/Receivers :
- 1/1
- Protocol :
- RS422, RS485
- Type :
- Transceiver
- HTS Code :
- 8542.39.00.01
- Length :
- 19.05mm
- Receiver Hysteresis :
- 50mV
- Factory Lead Time :
- 6 Weeks
- Number of Terminations :
- 14
- Terminal Finish :
- Matte Tin (Sn)
- RoHS Status :
- ROHS3 Compliant
- Power Supplies :
- 3.3V
- Surface Mount :
- No
- Mounting Type :
- Through Hole
- Output Characteristics :
- 3-STATE
- Interface Standard :
- EIA-422; EIA-485
- Differential Output :
- yes
- Qualification Status :
- Not Qualified
- Data Rate :
- 10Mbps
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- High Level Input Current-Max :
- 0.000002A
- Published :
- 1995
- Voltage - Supply :
- 3V~3.6V
- Pin Count :
- 14
- Package / Case :
- 14-DIP (0.300, 7.62mm)
- Packaging :
- Tube
- Datasheets
- MAX3491CPD

Drivers, Receivers, Transceivers Analog Devices, Inc. MAX3491CPD Overview
The MAX3491CPD by Analog Devices, Inc. is a high-performance RS485/RS422 transceiver designed to facilitate robust data communication in complex industrial environments. This device ensures reliable data transmission over long distances and in electrically noisy environments, making it an essential component for industrial networking. The Drivers, Receivers, Transceivers Analog Devices, Inc. MAX3491CPD stands out for its balanced differential drivers and receivers, which provide a protected and efficient means of communication. Its low-power operation and extended temperature range make it suitable for demanding applications, including those in harsh industrial settings.
MAX3491CPD Features
The MAX3491CPD transceiver includes several key features that enhance its performance in network communication systems:
- Full-duplex RS485/RS422 communication capability, enabling simultaneous data transmission and reception.
- Robust electrostatic discharge (ESD) protection, which guards the transceiver against sudden voltage spikes common in industrial environments.
- Thermal shutdown feature to prevent damage from overheating.
- Low quiescent current, which helps in reducing the overall power consumption of the system.
- Integrated fail-safe features that ensure a logic-high receiver output when the inputs are open, shorted, or idle, thereby enhancing the reliability of the communication system.
MAX3491CPD Applications
- Industrial Automation Systems: In automation plants, the MAX3491CPD can be used to connect various sensors and actuators across long distances, ensuring robust and error-free communication.
- Building Automation: This transceiver is ideal for integration into building management systems, where reliable data exchange is required for controlling lighting, heating, and security systems.
- Networked Security Cameras: The device supports high-speed data transmission essential for the operation of networked security camera systems, enabling real-time surveillance with minimal signal degradation.
- Remote Data Loggers: Used in remote monitoring, the MAX3491CPD ensures that data collected from distant locations is accurately transmitted to central systems for analysis and response.
- Point-of-Sale Networks: It provides the necessary robustness and reliability for POS systems, particularly in environments with high electronic interference.
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