MAX491EPD
- Mfr.Part #
- MAX491EPD
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 14-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- RS-485/RS-422 TRANSCVR
- Stock
- 1,197
- In Stock :
- 1,197
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Drivers, Receivers, Transceivers
- Receiver Hysteresis :
- 70mV
- Operating Temperature :
- -40°C~85°C
- Base Part Number :
- MAX491
- Type :
- Transceiver
- Output Characteristics :
- 3-STATE
- Voltage - Supply :
- 4.75V~5.25V
- Protocol :
- RS422, RS485
- Output Low Current-Max :
- 0.004A
- Terminal Position :
- Dual
- Published :
- 2004
- Lead Free :
- Lead Free
- Peak Reflow Temperature (Cel) :
- 260
- Package / Case :
- 14-DIP (0.300, 7.62mm)
- Contact Plating :
- Tin
- Number of Transceivers :
- 1
- Radiation Hardening :
- No
- REACH SVHC :
- Unknown
- Number of Pins :
- 14
- Logic Function :
- Receiver, Transceiver
- Input Characteristics :
- DIFFERENTIAL SCHMITT TRIGGER
- Pin Count :
- 14
- Length :
- 19.43mm
- Number of Drivers/Receivers :
- 1/1
- Terminal Pitch :
- 2.54mm
- RoHS Status :
- ROHS3 Compliant
- High Level Input Current-Max :
- 0.000002A
- Factory Lead Time :
- 6 Weeks
- Transmit Delay-Max :
- 60 ns
- Width :
- 7.87mm
- Data Rate :
- 2.5Mbps
- Operating Supply Voltage :
- 5V
- Power Supplies :
- 5V
- Driver Number of Bits :
- 1
- Number of Terminations :
- 14
- Packaging :
- Tube
- JESD-609 Code :
- e3
- Pbfree Code :
- yes
- Differential Output :
- yes
- Nominal Supply Current :
- 500μA
- Mounting Type :
- Through Hole
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Duplex :
- Full
- Output Polarity :
- Complementary
- Supply Voltage :
- 5V
- Interface :
- RS-422, RS-485
- Simplex/Duplex :
- Full Duplex
- Number of Functions :
- 1
- Mount :
- Through Hole
- Receiver Number of Bits :
- 1
- Height :
- 4.45mm
- Datasheets
- MAX491EPD

Drivers, Receivers, Transceivers Analog Devices, Inc. MAX491EPD Overview
The Analog Devices, Inc. MAX491EPD is a high-performance RS485/RS422 transceiver designed to meet the demanding requirements of balanced communication networks. Built using Analog Devices' advanced technology, the MAX491EPD provides reliable data transmission over long distances and in electrically noisy environments. This makes it an ideal choice for applications requiring robust and error-free communications. As part of the broader category of Drivers, Receivers, Transceivers, this device ensures improved signal integrity and reduced power consumption, which are crucial for industrial and commercial telecommunications systems.
MAX491EPD Features
The MAX491EPD transceiver includes multiple features that enhance its functionality and reliability in complex electronic systems:
- Full-duplex RS485 and RS422 communication capability.
- High-speed data rates up to 2.5 Mbps.
- Extended common-mode range (-7V to +12V) for better noise rejection.
- Thermal shutdown and short-circuit protection features safeguard the device and connected components.
- Low quiescent current and power-down mode help in reducing power consumption.
- Designed for half-duplex communications to maximize bus efficiency.
MAX491EPD Applications
- Industrial Automation: The MAX491EPD can be used in factory automation systems to ensure reliable data communication between machinery and control systems, even in areas with high electrical interference.
- Building Automation: Enables robust communication in building management systems, facilitating better control over HVAC, lighting, and security systems.
- Telecommunications Equipment: Essential for data exchange in telecom infrastructures, supporting error-free transmissions over various distances.
- Networking Equipment: Suitable for networked communication in modems and routers where stable and secure data flow is required.
- Automotive Networks: Can be applied in vehicle bus systems to manage communication between different electronic control units (ECUs).
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