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MAX3491E The Analog Devices MAX3491E is a low-power transceiver for RS-485 and RS-422 communications. It offers ±15kV ESD protection and operates at 3.3V.
Mfr Part #:

MAX3491E

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices MAX3491E is a low-power transceiver for RS-485 and RS-422 communications. It offers ±15kV ESD protection and operates at 3.3V.
✓ Total Stock: 275 pcs
$ Price Range: $0.99

MAX3491E Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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Braun Electronic Components ✓
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275 pcs
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275 pcs On Request 1 On Request On Request On Request On Request On Request
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MAX3491E Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Data Rate
ESD Protection
Interface
Mounting Type
Operating Voltage
Output Current
Output Voltage
Propagation Delay
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MAX3491E Description

Short technical summary and product information.

The MAX3491E from Analog Devices (formerly Maxim Integrated) is a versatile transceiver designed for robust RS-485 and RS-422 communication systems. This device provides ±15kV ESD protection, ensuring reliability in demanding environments. It operates on a nominal supply voltage of 3.3V, with a range from 3V to 3.6V, making it suitable for low-voltage applications.

 

The transceiver supports data rates up to 12 Mbps and features a propagation delay of 22ns. It includes one driver and one receiver, with an output voltage capability of 12.5V and an output current of 20µA. The device is housed in a surface-mount SOIC package.

 

With a minimum operating temperature of 0°C and a maximum of 70°C, the MAX3491E is designed for a wide range of operating conditions. Its nominal supply current is 2.2mA, contributing to its low-power characteristics. The maximum power dissipation is rated at 800mW.

 

This transceiver is ideal for applications requiring reliable serial communication over long distances or in noisy environments, such as industrial automation, building control, and point-of-sale systems.

MAX3491E Quick Information

Product Type: RS-485 Transceiver
Canonical Name: MAX3491E ±15kV ESD-Protected, +3.3V Low-Power RS-485/RS-422 Transceiver
Subcategory: RS-485/RS-422

MAX3491E Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX3491E Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX3491E Features

  • ±15kV ESD protected transceiver.
  • Operates at 3.3V supply voltage.
  • Supports RS-485 and RS-422 interfaces.
  • 12 Mbps maximum data rate.
  • Surface mount SOIC package.

MAX3491E Applications

  • Ideal for industrial automation systems.
  • Used in building control networks.
  • Suitable for point-of-sale systems.
  • Reliable serial communication applications.

MAX3491E FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the MAX3491E?

The MAX3491E operates at a nominal voltage of 3.3V, with a minimum of 3V and a maximum of 3.6V.

What type of interface does the MAX3491E support?

The MAX3491E supports RS-422 and RS-485 interfaces.

What is the maximum data rate of the MAX3491E transceiver?

The MAX3491E transceiver has a maximum data rate of 12 Mbps.

What is the operating temperature range for the MAX3491E?

The MAX3491E operates within a temperature range of 0°C to 70°C.

What package type is the MAX3491E available in?

The MAX3491E is available in a SOIC package and is designed for surface mounting.

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