MAX487ESA+T

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MAX487ESA+T

IC TRANSCEIVER HALF 1/1 8SOIC

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배송 준비 24 시간

365 일 보장

RFQ 및더 많은 할인

사양

Supplier Analog Devices Inc./Maxim Integrated
Package Tape & Reel (TR)
ProductStatus Obsolete
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Half
ReceiverHysteresis 70 mV
DataRate 250kbps
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

개요

Description

The MAX487ESA+T is a low-power transceiver designed for RS-485 and RS-422 communication, allowing for robust data transmission over long distances and in noisy environments. It operates typically with a supply voltage of 5V and has a maximum data rate of 2.5 Mbps. The device features a half-duplex operation, meaning it can send and receive data but not simultaneously.
Key features include its low standby current (less than 1 µA), enabling power-efficient designs, and thermal shutdown protection. The MAX487ESA+T supports a wide temperature range, making it suitable for industrial applications. It provides a differential signaling method, which enhances noise immunity and reduces electromagnetic interference.
The device is packaged in an 8-pin SOIC format, facilitating easy integration into various circuit designs. Its typical applications include telecommunications, industrial automation, and data acquisition systems, where reliable long-distance communication is crucial. Overall, the MAX487ESA+T is an effective solution for engineers seeking a reliable and efficient RS-485 transceiver.

Features

The MAX487ESA+T is a low-power, half-duplex transceiver designed for RS-485 and RS-422 communication. Key features include:
1. Low Power Consumption: Operates with a supply voltage range of 3.0V to 5.5V and consumes only 120 µA in low-power mode.

2. High Data Rate: Supports data rates up to 2.5 Mbps, making it suitable for high-speed applications.

3. Wide Temperature Range: Rated for operation from -40°C to +85°C, ideal for harsh environments.

4. Integrated Fail-Safe: It includes a fail-safe feature that ensures a known state when the bus is idle.

5. Short-Circuit Protection: The device features short-circuit protection, enhancing reliability in various applications.

6. Driver/Receiver Configuration: It can drive up to 32 transceivers on the bus, allowing for versatile network topologies.
7. Small Package Size: Available in a 8-pin DIP or SOIC package, facilitating easy integration into designs.
Overall, the MAX487ESA+T is an efficient choice for robust and reliable serial communication systems.

Package

The MAX487ESA+T is packaged in an 8-PDIP (Plastic Dual In-line Package) format. This package type is suitable for through-hole mounting on PCBs and provides easy handling and soldering.

Pinout

The MAX487ESA+T is a low-power, half-duplex RS-485 transceiver with a pin count of 8.
Here are the pin functions:
1. RO (Receiver Output): Outputs the received data.
2. RE (Receiver Enable): Active low input to enable the receiver.
3. DE (Driver Enable): Active high input to enable the driver.
4. DI (Driver Input): Inputs the data to be transmitted.
5. A (Non-inverting Input): The non-inverting data input for the differential signal.
6. B (Inverting Input): The inverting data input for the differential signal.
7. GND: Ground reference.
8. VCC: Supply voltage (typically +5V).
The device supports data rates up to 2.5 Mbps and is designed for communication over long distances in noisy environments, making it suitable for industrial applications.

Manufacturer

The MAX487ESA+T is manufactured by Maxim Integrated, which is a company specializing in analog and mixed-signal integrated circuits (ICs). Maxim Integrated designs and manufactures a wide range of semiconductor products, including sensors, amplifiers, voltage regulators, and communication interfaces. The company focuses on creating innovative solutions for various applications in industries such as automotive, industrial, telecommunications, and consumer electronics. In 2020, Maxim Integrated was acquired by Analog Devices, Inc., further enhancing its product offerings and market reach in the semiconductor space.

Application

The MAX487ESA+T is a low-power, half-duplex RS-485/RS-422 transceiver used in applications such as industrial automation, data acquisition systems, and motor control. It facilitates long-distance communication in noisy environments, making it suitable for building automation, HVAC systems, and networked sensors. Its robust design supports multi-drop connections, enabling multiple devices to communicate over a single bus, ideal for telemetry and remote monitoring systems.

Equivalent

The MAX487ESA+T chip is a low-power RS-485/RS-422 transceiver. Equivalent products include:
1. SN75176B (Texas Instruments)
2. ADM2483 (Analog Devices)
3. LT1785 (Analog Devices)
4. MAX3485 (Maxim Integrated)
5. SP485 (Exar Corp)
Always check specific datasheets for detailed specifications and compatibility.

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