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MAX485CSA+T

Name: MAX485CSA+T
Rating: 4.7 (12 reviews)

IC TRANSCEIVER HALF 1/1 8SOIC

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Mfr。パート #MAX485CSA+T
パッケージ SOIC-8
データシート
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Transceiver
Protocol	RS422, RS485
NumberofDrivers/Receivers	1/1
Duplex	Half
ReceiverHysteresis	50 mV
DataRate	2.5Mbps
Voltage-Supply	4.75V ~ 5.25V
OperatingTemperature	0°C ~ 70°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概要

Description

The MAX485CSA+T is a low-power, differential transceiver designed for RS-485 and RS-422 communications. It enables data transmission over long distances, making it ideal for industrial applications, building automation, and data acquisition systems. The device operates within a wide voltage range of 3.0V to 5.5V and features a high data rate of up to 2.5 Mbps.
Key features include low power consumption, a half-duplex operation, and the ability to drive up to 32 nodes on a bus, making it suitable for multi-point communication. The MAX485 also incorporates thermal shutdown protection and a fail-safe feature that ensures a known state when the receiver inputs are open.
The package type, CSA, refers to a small outline IC (SOIC), and the ‘+T’ indicates that the part is lead-free and suitable for use in RoHS-compliant applications. Overall, the MAX485CSA+T is a reliable choice for robust, long-distance data communication in various electronic systems.

Features

The MAX485CSA+T is a low-power, half-duplex RS-485/RS-422 transceiver designed for reliable serial communication over long distances. Key features include:
1. Low Power Consumption: Operates with a supply voltage of 3.0V to 5.5V, drawing only 120 µA in low power mode.
2. High Data Rate: Supports data rates up to 2.5 Mbps, making it suitable for fast communication.
3. Long Transmission Distance: Capable of driving loads up to 4000 feet, enhancing its utility in industrial applications.
4. Integrated Termination: Features internal resistors for better signal integrity and reduced component count.
5. Wide Temperature Range: Operates from -40°C to +85°C, suitable for harsh environments.
6. Fail-Safe Design: Provides fail-safe features against line faults, ensuring reliable operation.
7. Small Package Size: Available in an 8-pin SOIC package, facilitating compact design layouts.
These features make the MAX485CSA+T a versatile choice for applications requiring robust and efficient data communication.

Package

The MAX485CSA+T is available in a SOIC (Small Outline Integrated Circuit) package type. It features a 8-lead configuration, making it compact and suitable for surface-mount applications.

Pinout

The MAX485CSA+T is a low-power transceiver for RS-485 and RS-422 communication. It features an 8-pin DIP package. The pin functions are as follows:
1. RO (Receive Output) - Receives data from the RS-485 bus.
2. RE (Receiver Enable) - Active low input to enable the receiver.
3. DE (Driver Enable) - Active high input to enable the driver.
4. DI (Data Input) - Input for data to be transmitted.
5. A (Non-Inverting Driver Output) - Output for the non-inverting signal.
6. B (Inverting Driver Output) - Output for the inverting signal.
7. GND (Ground) - Common ground connection.
8. VCC (Power Supply) - Supply voltage input (typically +5V).
This device allows for half-duplex communication and supports data rates up to 2.5 Mbps over long distances.

Manufacturer

The MAX485CSA+T is manufactured by Maxim Integrated, which is now a part of Analog Devices, Inc. Maxim Integrated is a semiconductor company that specializes in analog and mixed-signal integrated circuits. Founded in 1983, the company focuses on creating innovative solutions for various applications, including automotive, communications, industrial, and consumer electronics. Their product offerings include data converters, amplifiers, interface devices, and power management solutions. The acquisition by Analog Devices in 2021 expanded their portfolio and capabilities in the semiconductor industry, further enhancing their commitment to high-performance solutions.

Application

The MAX485CSA+T is a low-power, differential transceiver primarily used for RS-485 communication in industrial automation, data acquisition systems, and networked devices. Its applications include long-distance data transmission, multi-drop networks, and connecting microcontrollers to sensors or other devices. It is also utilized in automotive communication, smart grid systems, and building automation for reliable, noise-resistant data transfer.

Equivalent

Equivalent products to the MAX485CSA+T include the SN75176, MAX3485, and LTC2862. These chips serve similar functions in RS-485 communication applications, offering differential data transmission in a comparable package. Always verify specifications and compatibility for your specific application.