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