사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Half |
| ReceiverHysteresis | 70 mV |
| DataRate | 250kbps |
| Voltage-Supply | 4.75V ~ 5.25V |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
개요
Description
The MAX487CSA+T is a low-power transceiver designed for RS-485 and RS-422 communication protocols. It is ideal for applications requiring reliable data transmission over long distances and in electrically noisy environments. The device operates over a wide supply voltage range of 4.75V to 5.25V and features a low current draw, making it suitable for power-sensitive applications. The MAX487CSA+T supports data rates up to 250 kbps.
Key features include a fail-safe receiver that ensures a known output state when the bus is idle, open, or shorted, and a thermal shutdown feature that protects the device in the event of excessive temperatures. The device also has a slew-rate-limited driver that minimizes reflections from improperly terminated lines. It can be configured for half-duplex communication and supports up to 32 transceivers on the bus.
The MAX487CSA+T is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package, making it compact and easy to integrate into various designs. This transceiver is widely used in industrial, commercial, and consumer applications requiring robust serial communication.
Key features include a fail-safe receiver that ensures a known output state when the bus is idle, open, or shorted, and a thermal shutdown feature that protects the device in the event of excessive temperatures. The device also has a slew-rate-limited driver that minimizes reflections from improperly terminated lines. It can be configured for half-duplex communication and supports up to 32 transceivers on the bus.
The MAX487CSA+T is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package, making it compact and easy to integrate into various designs. This transceiver is widely used in industrial, commercial, and consumer applications requiring robust serial communication.
Equivalent
The MAX487CSA+T is a low-power RS-485/RS-422 transceiver. Equivalent products include:
1. TI SN75176BP
2. TI SN65HVD72
3. TI SN65HVD3082E
4. Analog Devices ADM485
5. STMicroelectronics ST3485E
6. NXP PCA82C250 (for CAN applications)
7. ON Semiconductor AM26C31
These alternatives offer similar functionalities, such as differential signaling and low power consumption, for RS-485/RS-422 communication. Always check voltage levels, power ratings, and specific features to ensure compatibility.
1. TI SN75176BP
2. TI SN65HVD72
3. TI SN65HVD3082E
4. Analog Devices ADM485
5. STMicroelectronics ST3485E
6. NXP PCA82C250 (for CAN applications)
7. ON Semiconductor AM26C31
These alternatives offer similar functionalities, such as differential signaling and low power consumption, for RS-485/RS-422 communication. Always check voltage levels, power ratings, and specific features to ensure compatibility.
Features
The MAX487CSA+T is a low-power RS-485/RS-422 transceiver designed for communication in cost-sensitive applications. Key features include:
1. Low Power Consumption: Operates efficiently with reduced power draw, ideal for battery-powered and energy-sensitive devices.
2. Wide Operating Range: Functions effectively across a voltage range of 4.75V to 5.25V.
3. High Data Rates: Supports data transmission speeds of up to 250 kbps, suitable for numerous industrial communication requirements.
4. Extended Common-Mode Range: Offers a common-mode voltage range from -7V to +12V, enhancing its robustness in noisy environments.
5. Reduced EMI: Features slew-rate limited drivers which minimize electromagnetic interference (EMI).
6. EIA/TIA-485 and EIA/TIA-422 Compatible: Ensures compatibility with standard RS-485 and RS-422 communication protocols.
7. Short-Circuit Protection: Provides protection against short circuits, enhancing the longevity and reliability of the device.
8. Thermal Shutdown: Incorporates thermal protection to prevent damage from overheating.
9. Compact Design: Available in an 8-pin SOIC package, facilitating easy integration into space-constrained applications.
These features make the MAX487CSA+T suitable for applications requiring efficient and reliable serial communication.
1. Low Power Consumption: Operates efficiently with reduced power draw, ideal for battery-powered and energy-sensitive devices.
2. Wide Operating Range: Functions effectively across a voltage range of 4.75V to 5.25V.
3. High Data Rates: Supports data transmission speeds of up to 250 kbps, suitable for numerous industrial communication requirements.
4. Extended Common-Mode Range: Offers a common-mode voltage range from -7V to +12V, enhancing its robustness in noisy environments.
5. Reduced EMI: Features slew-rate limited drivers which minimize electromagnetic interference (EMI).
6. EIA/TIA-485 and EIA/TIA-422 Compatible: Ensures compatibility with standard RS-485 and RS-422 communication protocols.
7. Short-Circuit Protection: Provides protection against short circuits, enhancing the longevity and reliability of the device.
8. Thermal Shutdown: Incorporates thermal protection to prevent damage from overheating.
9. Compact Design: Available in an 8-pin SOIC package, facilitating easy integration into space-constrained applications.
These features make the MAX487CSA+T suitable for applications requiring efficient and reliable serial communication.
Pinout
The MAX487CSA+T is a low-power transceiver for RS-485 and RS-422 communication. It operates with a 5V power supply and is designed for half-duplex communication. The MAX487 comes in an 8-pin SOIC package. Here are the pin functions:
1. RO (Receiver Output): Outputs the received data.
2. RE̅ (Receiver Enable): Enables the receiver when low; disables when high.
3. DE (Driver Enable): Enables the driver when high; disables when low.
4. DI (Driver Input): Data input for the driver.
5. GND: Ground reference.
6. A (Non-Inverting Receiver Input/Driver Output): Data line A.
7. B (Inverting Receiver Input/Driver Output): Data line B.
8. VCC: Supply voltage input (5V).
The MAX487 features reduced slew rates, minimizing EMI emissions, and allows for data transmission rates up to 250 kbps. It is suitable for industrial and network communication applications, providing robust performance with a high level of noise immunity and fault protection.
1. RO (Receiver Output): Outputs the received data.
2. RE̅ (Receiver Enable): Enables the receiver when low; disables when high.
3. DE (Driver Enable): Enables the driver when high; disables when low.
4. DI (Driver Input): Data input for the driver.
5. GND: Ground reference.
6. A (Non-Inverting Receiver Input/Driver Output): Data line A.
7. B (Inverting Receiver Input/Driver Output): Data line B.
8. VCC: Supply voltage input (5V).
The MAX487 features reduced slew rates, minimizing EMI emissions, and allows for data transmission rates up to 250 kbps. It is suitable for industrial and network communication applications, providing robust performance with a high level of noise immunity and fault protection.
Manufacturer
The MAX487CSA+T is manufactured by Analog Devices, Inc. This company specializes in designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing integrated circuits. Analog Devices serves various industries, including communications, healthcare, automotive, industrial, and consumer electronics, by providing high-performance solutions for signal processing needs.
Application
The MAX487CSA+T is a low-power transceiver designed for RS-485 and RS-422 communication applications. It is commonly used in industrial automation systems, process control networks, building automation, and HVAC systems due to its capability to enable reliable data transmission over long distances. Additionally, the device is suitable for use in telecommunications equipment, security systems, and energy management systems. Its ability to operate at high speeds and with low power consumption makes it ideal for battery-powered devices and portable instruments. The device’s robustness in handling electrostatic discharge (ESD) and noise in harsh environments extends its application to automotive and medical equipment communication interfaces.
Package
The MAX487CSA+T is a surface-mount IC package known as an 8-pin SOIC (Small Outline Integrated Circuit). The "+T" suffix indicates that the device is supplied in a tape and reel format for automated assembly processes.
