사양
| 속성 | 가치 |
| Package | Tape & Reel (TR) |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Half |
| ReceiverHysteresis | 70 mV |
| DataRate | 2.5Mbps |
| 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 MAX1487ESA+T is a high-speed RS-485/RS-422 transceiver designed for multipoint communication on balanced lines. It is manufactured by Maxim Integrated and is intended for use in industrial and commercial applications where robust data communication is required over long distances and in electrically noisy environments.
Key features of the MAX1487ESA+T include:
- Half-Duplex Communication: Supports bidirectional data flow, allowing for both sending and receiving signals on the same line.
- High Data Rates: Capable of data rates up to 5 Mbps.
- Low Power Consumption: Features low power operation with reduced supply current.
- Enhanced ESD Protection: Offers protection against electrostatic discharge, enhancing its reliability in harsh environments.
- Wide Temperature Range: Operational temperature range suitable for industrial use, typically -40°C to +85°C.
- Small Footprint: Available in an 8-pin SOIC package, making it suitable for space-constrained applications.
This transceiver is ideal for applications such as industrial automation, process control, and any system requiring reliable serial data communication.
Key features of the MAX1487ESA+T include:
- Half-Duplex Communication: Supports bidirectional data flow, allowing for both sending and receiving signals on the same line.
- High Data Rates: Capable of data rates up to 5 Mbps.
- Low Power Consumption: Features low power operation with reduced supply current.
- Enhanced ESD Protection: Offers protection against electrostatic discharge, enhancing its reliability in harsh environments.
- Wide Temperature Range: Operational temperature range suitable for industrial use, typically -40°C to +85°C.
- Small Footprint: Available in an 8-pin SOIC package, making it suitable for space-constrained applications.
This transceiver is ideal for applications such as industrial automation, process control, and any system requiring reliable serial data communication.
Equivalent
The MAX1487ESA+T is a low-power RS-485/RS-422 transceiver. Equivalent products include the TI SN75176B, the LTC1487 by Analog Devices, the SN65HVD3082E from Texas Instruments, the ADM485 by Analog Devices, and the SP3485 by MaxLinear. These alternatives offer similar functionality for half-duplex communication and low power consumption in RS-485 applications. Always verify pin compatibility and electrical characteristics to ensure suitability for your specific application.
Features
The MAX1487ESA+T is a high-speed RS-485/RS-422 transceiver designed for communication networks. Key features include:
1. High-Speed Data Rate: Supports up to 5Mbps, suitable for fast data transfer in industrial and communication applications.
2. Low Power Consumption: Features a low quiescent current, enhancing power efficiency and extending battery life in portable devices.
3. Fail-Safe Receiver: Incorporates a fail-safe function that ensures a known output state when the input is open, shorted, or terminated but undriven.
4. Wide Operating Voltage Range: Operates on a voltage range from 4.75V to 5.25V, compatible with standard 5V systems.
5. Extended ESD Protection: Offers protection exceeding ±15kV using the Human Body Model, ensuring robust performance in harsh environments.
6. Small Package Size: Available in an 8-pin SOIC package, making it suitable for space-constrained applications.
7. Temperature Range: Functions effectively over a temperature range from -40°C to +85°C, suitable for industrial applications.
These features make the MAX1487ESA+T ideal for robust and efficient serial communication in various electronic systems.
1. High-Speed Data Rate: Supports up to 5Mbps, suitable for fast data transfer in industrial and communication applications.
2. Low Power Consumption: Features a low quiescent current, enhancing power efficiency and extending battery life in portable devices.
3. Fail-Safe Receiver: Incorporates a fail-safe function that ensures a known output state when the input is open, shorted, or terminated but undriven.
4. Wide Operating Voltage Range: Operates on a voltage range from 4.75V to 5.25V, compatible with standard 5V systems.
5. Extended ESD Protection: Offers protection exceeding ±15kV using the Human Body Model, ensuring robust performance in harsh environments.
6. Small Package Size: Available in an 8-pin SOIC package, making it suitable for space-constrained applications.
7. Temperature Range: Functions effectively over a temperature range from -40°C to +85°C, suitable for industrial applications.
These features make the MAX1487ESA+T ideal for robust and efficient serial communication in various electronic systems.
Pinout
The MAX1487ESA+T is an 8-pin device designed for RS-485/RS-422 communications. It serves as a low-power, high-speed transceiver featuring a slew rate-limited driver for reduced EMI, and a receiver that maintains high input sensitivity and noise immunity.
Here's a brief breakdown of its pin count and functions:
1. RO (Receiver Output): Outputs the received data.
2. RE̅ (Receiver Enable): Active-low input to enable the receiver.
3. DE (Driver Enable): Enables the driver when high.
4. DI (Driver Input): Accepts the data for transmission.
5. GND (Ground): The ground reference for the device.
6. A/Y (Driver Output/Receiver Input): Non-inverting line of the differential bus.
7. B/Z (Driver Output/Receiver Input): Inverting line of the differential bus.
8. VCC (Supply Voltage): Positive power supply input.
This device is suitable for low-power applications and is used to convert single-ended signals to differential signals for robust communication over long distances.
Here's a brief breakdown of its pin count and functions:
1. RO (Receiver Output): Outputs the received data.
2. RE̅ (Receiver Enable): Active-low input to enable the receiver.
3. DE (Driver Enable): Enables the driver when high.
4. DI (Driver Input): Accepts the data for transmission.
5. GND (Ground): The ground reference for the device.
6. A/Y (Driver Output/Receiver Input): Non-inverting line of the differential bus.
7. B/Z (Driver Output/Receiver Input): Inverting line of the differential bus.
8. VCC (Supply Voltage): Positive power supply input.
This device is suitable for low-power applications and is used to convert single-ended signals to differential signals for robust communication over long distances.
Manufacturer
The MAX1487ESA+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing a wide range of analog and mixed-signal integrated circuits. These components are used in various applications, including communications, computing, consumer, automotive, and industrial markets. The company specializes in enhancing the performance of electronic devices by offering high-performance solutions that improve efficiency, reliability, and integration.
Application
The MAX1487ESA+T is a low-power RS-485/RS-422 transceiver designed for communication networks. It is commonly used in industrial automation, building automation, and process control due to its robust data transmission capabilities over long distances. The device is suitable for applications requiring high data rate communication, typically up to 250 kbps, in noisy environments. Additionally, it's used in point-to-point and multipoint networks, such as factory instrumentation, HVAC systems, and security systems. Its low power consumption and ability to handle differential signaling make it ideal for enhancing signal integrity in electrically noisy environments.
Package
The MAX1487ESA+T is a transceiver IC with an 8-pin SOIC (Small Outline Integrated Circuit) package type. The "+T" indicates it comes in a tape and reel format for automated assembly processes.
