Mfr Part #:

MAX491CSD

Mfr Name: Analog Devices / Maxim Integrated

The MAX491CSD is a low-power transceiver for RS-485 and RS-422 communication, featuring a single driver and receiver. It supports data transmission up to 2.5Mbps.

✓ Total Stock: 28,525 pcs

$ Price Range: $1.44

MAX491CSD Available from 4 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Romaks Technologies ✓ Non-Authorised Inventory information	25,829 pcs On Request	25829 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Components Technology Group, Inc. ✓ Non-Authorised Inventory information	2,568 pcs On Request	2568 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
MW.FEP S.p.A. ✓ Non-Authorised Inventory information	121 pcs On Request	121 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
PROSOFT ELECTRONICS ✓ Non-Authorised Inventory information	7 pcs On Request	7 pcs	On Request	1	On Request	On Request	97/98G/	On Request	On Request

MAX491CSD Description

Short technical summary and product information.

The MAX491CSD from Analog Devices / Maxim Integrated is a low-power transceiver designed for RS-485 and RS-422 communication. Each unit contains one driver and one receiver, making it suitable for various interface applications.

This transceiver operates from a single 5V supply and supports data rates up to 2.5Mbps. It features a full-duplex communication mode. The device is designed for reliability, with drivers that are short-circuit current limited and protected against excessive power dissipation by thermal shutdown circuitry.

The MAX491CSD is available in a 14-SOIC package, suitable for surface mount applications. Its operating temperature range is 0°C to 70°C, making it appropriate for industrial control and other general-purpose applications requiring robust communication links.

Key electrical characteristics include a receiver hysteresis of 70mV and a wide operating voltage range of 4.75V to 5.25V. These features ensure stable and reliable data transmission in demanding environments.

MAX491CSD Quick Information

Product Type: Transceiver

Canonical Name: MAX491CSD RS485/RS422 Transceiver

Subcategory: Drivers, Receivers, Transceivers

MAX491CSD Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MAX491CSD Estimated Pricing

Qty	Low	High
1+	$1.44	$1.44

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

MAX491CSD Features

Full-duplex RS485/RS422 transceiver.
Supports data rates up to 2.5Mbps.
Operates from a single 5V supply.
Available in a 14-SOIC package.
Wide operating temperature range.

MAX491CSD Applications

Industrial control networks.
Low-power communication systems.
RS-485/RS-422 interface applications.
EMI-sensitive applications.

MAX491CSD FAQs

5 frequently asked questions generated from this part’s specifications.

What type of transceiver is the MAX491CSD?

The MAX491CSD is a full-duplex transceiver for RS422 and RS485 communication.

What is the maximum data rate for the MAX491CSD?

The MAX491CSD supports data rates up to 2.5Mbps.

What is the operating voltage range for the MAX491CSD?

The MAX491CSD operates from a voltage range of 4.75V to 5.25V.

What is the operating temperature range of the MAX491CSD?

The MAX491CSD has an operating temperature range of 0°C to 70°C.

What package type is the MAX491CSD supplied in?

The MAX491CSD is supplied in a 14-SOIC package.

MAX491CSD Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.

View All Alternate Parts

MAX491CSD+T

Analog Devices / Maxim Integrated

IC TRANSCEIVER FULL 1/1 14SOIC

View Part

MAX491ECSD+