MAX3490ESA+

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MAX3490ESA+

IC TRANSCEIVER FULL 1/1 8SOIC

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  • Ông. Phần #MAX3490ESA+
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100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Part Status Active
Type Transceiver
Protocol RS422, RS485
Number of Drivers/Receivers 1/1
Duplex Full
Receiver Hysteresis 50 mV
Data Rate 10Mbps
Voltage - Supply 3V ~ 3.6V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number MAX3490

Tổng quan

Description

The MAX3490ESA+ is a high-speed, low-power differential bus transceiver designed for RS-485 and RS-422 communication protocols. It offers a robust solution for long-distance data transmission in industrial and telecommunications applications. With a data rate of up to 20 Mbps, it supports multi-point configurations, allowing multiple devices to connect on a single bus.
Key features include a wide supply voltage range (3.0V to 5.5V), low power consumption, and thermal shutdown protection. The device supports a wide temperature range, making it suitable for harsh environments. It also includes a fail-safe feature that ensures a known state during power-down conditions.
The MAX3490ESA+ is packaged in an 8-pin SOIC, facilitating easy integration into various circuit designs. Overall, it provides reliable performance and efficiency for applications requiring robust serial communication over long distances.

Features

The MAX3490ESA+ is a low-power, half-duplex RS-485/RS-422 transceiver designed for data communication over long distances. Key features include:
1. Data Rate: Supports data rates up to 250 kbps.
2. Power Supply: Operates from a single +5V supply with low power consumption.
3. Driver and Receiver: Contains a driver and a receiver, allowing for full-duplex or half-duplex operation.
4. Operating Temperature: Available in a commercial temperature range of 0°C to +70°C.
5. Bus Compatibility: Supports multi-point applications with up to 32 transceivers on the bus.
6. Fail-Safe Design: Ensures a safe idle state during power loss or bus faults.
7. Protection: Features ESD protection with high common-mode voltage range.
8. Packaging: Available in an 8-pin SOIC package.
These features make the MAX3490ESA+ suitable for industrial automation, process control, and other applications requiring robust serial communication.

Package

The MAX3490ESA+ is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format.

Pinout

The MAX3490ESA+ is an RS-485/RS-422 transceiver with a pin count of 8.
Pin Functions:
1. RO (Receiver Output) - Outputs the received data from the bus.
2. DI (Driver Input) - Inputs the data to be transmitted.
3. DE (Driver Enable) - Activates the driver when high.
4. RE (Receiver Enable) - Activates the receiver when low.
5. A (Non-Inverting Bus Termination) - Positive terminal for differential signals.
6. B (Inverting Bus Termination) - Negative terminal for differential signals.
7. GND (Ground) - Reference point for the supply voltage.
8. VCC (Supply Voltage) - Power supply for the transceiver.
The MAX3490ESA+ supports data rates up to 20 Mbps and is designed for half-duplex communication.

Manufacturer

The MAX3490ESA+ is manufactured by Maxim Integrated, which is a company that specializes in designing and manufacturing analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated focuses on innovative semiconductor solutions for various applications, including communications, automotive, industrial, and consumer electronics. The company is known for its high-performance products that enable efficient signal processing and power management. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further expanding its reach and product offerings in the semiconductor industry.

Application

The MAX3490ESA+ is primarily used in RS-485 and RS-422 communication applications, facilitating reliable data transmission over long distances in noisy environments. Its application areas include industrial automation, building automation, process control, and telecommunications. Additionally, it serves in data acquisition systems and remote sensor networks, where robust and efficient communication is essential.

Equivalent

The MAX3490ESA+ is a RS-485 transceiver. Equivalent products include the SN75176B, LT1785, and TI's THVD1450. These chips offer similar functionalities for differential signaling in RS-485 applications. Always check the specific electrical characteristics and features to ensure compatibility for your application.

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