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MAX3485EESA+

Name: MAX3485EESA+
Rating: 4.7 (12 reviews)

IC TRANSCEIVER HALF 1/1 8SOIC

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製造商。部分 #MAX3485EESA+
包 SOIC-8
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規格

Package	Tube
ProductStatus	Active
Type	Transceiver
Protocol	RS422, RS485
NumberofDrivers/Receivers	1/1
Duplex	Half
ReceiverHysteresis	50 mV
DataRate	12Mbps
Voltage-Supply	3V ~ 3.6V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概述

Description

The MAX3485EESA+ is a low-power, half-duplex RS-485/RS-422 transceiver designed for robust communication in industrial and data acquisition applications. It operates over a voltage range of 3.0V to 5.5V and features a maximum data rate of 20 Mbps, making it suitable for high-speed communication. The device supports multipoint applications with up to 32 transceivers on the same bus and offers a robust differential signaling mechanism that enhances noise immunity.
Key features include low power consumption, with a sleep mode that reduces power draw to less than 1 µA, and a wide operating temperature range of -40°C to +85°C. The MAX3485EESA+ is housed in a 8-pin SOIC package, allowing for easy integration into compact designs. Its fail-safe design ensures a known state when the bus is idle, preventing data corruption. Overall, the MAX3485EESA+ is an efficient solution for reliable long-distance data transmission in industrial environments.

Features

The MAX3485EESA+ is a low-power, low-voltage differential signaling (LVDS) transceiver designed for RS-485 and RS-422 applications. Key features include:
1. Data Rate: Supports data rates up to 20 Mbps.
2. Power Supply: Operates on a single 3V to 5.5V power supply.
3. Low Power Consumption: Consumes only 120 µA in low-power mode, making it suitable for battery-operated devices.
4. Driver/Receiver: Integrated driver and receiver with a wide common-mode range (-7V to +12V).
5. Short-Circuit Protection: Provides protection against short circuits and thermal shutdown.
6. Fail-Safe Operation: Ensures a known state on the bus during idle conditions.
7. Interface Compatibility: Compatible with standard RS-485/RS-422 protocols.
8. Temperature Range: Available in extended temperature ranges, suitable for industrial applications.
9. Pin Configuration: 8-pin SOIC package for easy integration into circuit designs.
These features make the MAX3485EESA+ ideal for robust communication in noisy environments.

Package

The MAX3485EESA+ is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package. This surface-mount package is designed for efficient space utilization on printed circuit boards.

Pinout

The MAX3485EESA+ is a low-power, half-duplex 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 outputs for sending data.
2. RO (Receiver Output) (Pin 3): Output pin for received data.
3. RE (Receiver 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 pin for sending data.
6. VCC (Pin 7): Power supply pin.
7. GND (Pin 8): Ground connection.
The MAX3485EESA+ is designed for data transmission over long distances and features low power consumption, making it suitable for various industrial applications.

Manufacturer

The MAX3485EESA+ is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is a semiconductor company that designs and manufactures analog and mixed-signal integrated circuits (ICs). The company specializes in a wide range of applications, including automotive, industrial, communications, and consumer electronics, providing solutions that enhance performance and efficiency. Their product portfolio includes data converters, amplifiers, power management devices, and interface products like the MAX3485EESA+, which is a transceiver for RS-485 communication.

Application

The MAX3485EESA+ is commonly used in applications such as RS-485 and RS-422 communication networks, industrial automation, data acquisition systems, and remote sensor networks. It's suitable for long-distance data transmission, multi-point communication, and robust networking in environments with electrical noise. The chip's low power consumption and support for half-duplex operation make it ideal for applications like automation controllers, building automation, and telemetry systems.

Equivalent

Equivalent products to the MAX3485EESA+ include the SN75176, ADM2483, and LTC2862. These chips are similar in function, providing RS-485/RS-422 transceiver capabilities. Always verify specifications such as voltage range, data rate, and package type for compatibility in your application.