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MAX3485CSA

Name: MAX3485CSA
Rating: 4.7 (12 reviews)

RS-485/RS-422 TRANSCVR

メーカー
Mfr。パート #MAX3485CSA
パッケージ SOP-8
データシート
在庫中3417

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100% オリジナル &新しい

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仕様

Package	Bulk
ProductStatus	Active

概要

Description

The MAX3485CSA is a low-power, half-duplex RS-485/RS-422 transceiver designed for robust communication over long distances in noisy environments. It features a wide operating voltage range of 3.0V to 5.5V, making it suitable for various applications, including industrial automation and remote sensor monitoring. The device supports data rates up to 2.5 Mbps, ensuring fast data transmission.
Key features include low power consumption, with a typical supply current of 120 µA in standby mode, and a high output drive capability, capable of transmitting signals over multi-point networks. The MAX3485CSA also includes built-in protection against ESD, making it reliable for outdoor or harsh conditions.
Its small footprint and surface mount package make it ideal for space-constrained designs. The device is commonly used in applications such as motor control, building automation, and communication in embedded systems. Overall, the MAX3485CSA is a versatile solution for reliable, long-distance serial communication.

Features

The MAX3485CSA is a low-power, half-duplex RS-485/RS-422 transceiver. Key features include:
1. Operating Voltage: It operates from a single 3V to 5.5V supply.
2. Data Rate: Supports data rates up to 2.5 Mbps.
3. Low Power Consumption: It consumes only 120 µA in low-power mode, making it suitable for battery-operated devices.
4. Temperature Range: Designed for operation over a wide temperature range (-40°C to +85°C).
5. Driver/Receiver: Contains a driver and a receiver, allowing for half-duplex communication.
6. Common Mode Range: Supports a common mode voltage range of -7V to +12V, enhancing noise immunity.
7. Fail-Safe Design: Features fail-safe inputs that ensure a known state in the absence of a differential signal.
8. Compact Package: Available in a 8-pin NSOIC package for space-constrained applications.
These attributes make the MAX3485CSA ideal for industrial automation, automotive, and other applications requiring robust communication over long distances.

Package

The MAX3485CSA is packaged in a standard 8-pin SOIC (Small Outline Integrated Circuit) format. This type of package is characterized by its small size and surface mount design, making it suitable for compact electronic applications.

Pinout

The MAX3485CSA is an RS-485/RS-422 transceiver with a total of 8 pins. Its primary functions include:
1. A and B (Pins 1 and 2): Differential signal output and input for the RS-485/RS-422 communication.
2. RO (Receive Output) (Pin 3): Outputs the received data from the A and B pins.
3. RE (Receive Enable) (Pin 4): Active-low control pin to enable the receiver.
4. DE (Driver Enable) (Pin 5): Active-high control pin to enable the driver.
5. DI (Driver Input) (Pin 6): Input for data to be transmitted.
6. VCC (Power Supply) (Pin 7): Supply voltage.
7. GND (Ground) (Pin 8): Ground connection.
The device supports half-duplex communication and is designed for robust data transmission over long distances, making it suitable for various industrial applications.

Manufacturer

The MAX3485CSA is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is a semiconductor company that specializes in designing and manufacturing analog and mixed-signal integrated circuits. Their product offerings include a wide range of components for applications in automotive, communications, industrial, and consumer electronics. The company is known for its focus on innovation and high-performance solutions, particularly in the areas of data conversion, power management, and interface products.

Application

The MAX3485CSA is a low-power, multipoint transceiver for RS-485 and RS-422 communications. Its application areas include industrial automation, data acquisition systems, building automation, remote sensor networks, and other systems requiring robust long-distance data transmission in noisy environments. It's ideal for connecting multiple devices in a network, enabling reliable and efficient data communication.

Equivalent

The MAX3485CSA chip is a low-power RS-485/RS-422 transceiver. Equivalent products include the SN75176, SN65HVD3082, LTC2862, and ADM2483. These alternatives provide similar functionality in terms of differential signaling and data rates suitable for RS-485 applications. Always check the specific electrical characteristics and pin configurations to ensure compatibility.