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Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Driver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 2/0 |
| Voltage-Supply | 4.75V ~ 5.25V |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| Duplex | Half |
| ReceiverHysteresis | 50 mV |
| DataRate | 250kbps |
| Series | Automotive, AEC-Q100 |
Обзор
Description
The MAX1490AEPG+ is a high-performance, isolated RS-485/RS-422 data communication interface designed by Maxim Integrated. It features a galvanic isolation of up to 2.5kV between its logic and bus lines, enhancing safety and reliability in industrial environments. The device supports data rates up to 250kbps, making it suitable for a wide range of applications. It operates with a wide supply voltage range, enabling compatibility with various systems.
This transceiver includes fail-safe circuitry that ensures a known output state when the bus is idle, shorted, or open. The MAX1490AEPG+ is also equipped with thermal shutdown protection, guarding against excessive power dissipation. Its low power consumption and high noise immunity make it ideal for energy-efficient and robust data transmission. The device typically comes in a 16-pin plastic DIP or wide-body SOIC package, providing flexibility in design. Overall, the MAX1490AEPG+ is a reliable choice for applications requiring robust, isolated RS-485/RS-422 communication.
This transceiver includes fail-safe circuitry that ensures a known output state when the bus is idle, shorted, or open. The MAX1490AEPG+ is also equipped with thermal shutdown protection, guarding against excessive power dissipation. Its low power consumption and high noise immunity make it ideal for energy-efficient and robust data transmission. The device typically comes in a 16-pin plastic DIP or wide-body SOIC package, providing flexibility in design. Overall, the MAX1490AEPG+ is a reliable choice for applications requiring robust, isolated RS-485/RS-422 communication.
Equivalent
The MAX1490AEPGis a high-speed, isolated RS-485/RS-422 data transceiver. Equivalent products include:
1. Analog Devices ADM2483 - RS-485/RS-422 isolated transceiver.
2. Texas Instruments ISO3086T - Isolated RS-485 transceiver.
3. Texas Instruments ISO1500 - Isolated RS-485 transceiver.
4. Broadcom ACPL-M49T - High-speed RS-485/RS-422 optocoupler.
These alternatives offer similar functionality with slight variations in features, performance, and package types. Always check specific datasheets for compatibility with your application.
1. Analog Devices ADM2483 - RS-485/RS-422 isolated transceiver.
2. Texas Instruments ISO3086T - Isolated RS-485 transceiver.
3. Texas Instruments ISO1500 - Isolated RS-485 transceiver.
4. Broadcom ACPL-M49T - High-speed RS-485/RS-422 optocoupler.
These alternatives offer similar functionality with slight variations in features, performance, and package types. Always check specific datasheets for compatibility with your application.
Features
The MAX1490AEPG+ is an isolated RS-485/RS-422 transceiver designed for robust communication in industrial environments. Key features include:
1. Isolation: Provides 2500 VRMS isolation between the data and logic interface, enhancing safety and noise immunity.
2. Data Rate: Supports data rates up to 250kbps, making it suitable for various communication needs.
3. Protection: Includes ±15kV ESD protection on all pins, safeguarding against electrostatic discharge.
4. Power Supply: Operates with a single 5V power supply, simplifying power requirements.
5. Fail-Safe: Integrated fail-safe circuitry ensures a known output State when the bus is idle or open.
6. Driver/Receiver: Features a low-power shutdown mode that reduces power consumption when not in use.
7. Extended Temperature Range: Functions in a broad temperature range of -40°C to +85°C, suitable for harsh environments.
8. Package: Available in a 16-pin wide SOIC package, offering space efficiency.
These features make the MAX1490AEPG+ ideal for industrial automation, programmable logic controllers (PLCs), and other applications requiring reliable isolated data communication.
1. Isolation: Provides 2500 VRMS isolation between the data and logic interface, enhancing safety and noise immunity.
2. Data Rate: Supports data rates up to 250kbps, making it suitable for various communication needs.
3. Protection: Includes ±15kV ESD protection on all pins, safeguarding against electrostatic discharge.
4. Power Supply: Operates with a single 5V power supply, simplifying power requirements.
5. Fail-Safe: Integrated fail-safe circuitry ensures a known output State when the bus is idle or open.
6. Driver/Receiver: Features a low-power shutdown mode that reduces power consumption when not in use.
7. Extended Temperature Range: Functions in a broad temperature range of -40°C to +85°C, suitable for harsh environments.
8. Package: Available in a 16-pin wide SOIC package, offering space efficiency.
These features make the MAX1490AEPG+ ideal for industrial automation, programmable logic controllers (PLCs), and other applications requiring reliable isolated data communication.
Pinout
The MAX1490AEPG+ is a 24-pin device used for RS-485/RS-422 communication. It is an integrated circuit that provides signal isolation between the transceiver and the microcontroller, making it suitable for use in industrial environments where noise can affect signal integrity. The MAX1490AEPG+ is designed to enhance the reliability of data communication by offering features such as high data rates, reduced electromagnetic interference, and isolation to prevent ground loops.
The key functions of the MAX1490AEPG+ include differential line drivers and receivers, fault protection, and low power consumption. The IC supports half-duplex communication and can operate at data rates up to 250 kbps. It can isolate up to 2500 VRMS, ensuring safety and signal integrity in harsh environments.
For specific pin assignments and their detailed functions, refer to the datasheet provided by the manufacturer, as it contains precise information on pin configuration, electrical characteristics, and operational guidelines.
The key functions of the MAX1490AEPG+ include differential line drivers and receivers, fault protection, and low power consumption. The IC supports half-duplex communication and can operate at data rates up to 250 kbps. It can isolate up to 2500 VRMS, ensuring safety and signal integrity in harsh environments.
For specific pin assignments and their detailed functions, refer to the datasheet provided by the manufacturer, as it contains precise information on pin configuration, electrical characteristics, and operational guidelines.
Manufacturer
The MAX1490AEPG+ is manufactured by Maxim Integrated, which is a subsidiary of Analog Devices, Inc. Maxim Integrated is known for designing, manufacturing, and selling a broad range of analog and mixed-signal integrated circuits. The company specializes in products that are used in various applications, including industrial, automotive, communications, consumer, and computing industries. Maxim Integrated focuses on developing innovative solutions to improve power efficiency, signal integrity, and system performance, making it a key player in the semiconductor industry.
Application
The MAX1490AEPG+ is an isolated RS-485/RS-422 transceiver commonly used in industrial and process control applications. Its primary application areas include factory automation systems, data acquisition systems, and remote telemetry. It is also utilized in building automation for communication between various control devices, as well as in energy management systems for monitoring and control of power systems. The device's isolation capabilities make it suitable for environments requiring robust data transmission over long distances with protection against ground loops and voltage spikes.
Package
The MAX1490AEPG+ is a quad-channel RS-485/RS-422 transceiver IC in a 28-pin PDIP (Plastic Dual In-line Package) form factor.
