規格
| 屬性 | 價值 |
| Package | Bulk,Tube |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Half |
| ReceiverHysteresis | 70 mV |
| DataRate | 30Mbps |
| Voltage-Supply | 4.75V ~ 5.25V |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The ADM1485JRZ is a high-speed, low-power differential line transceiver designed for RS-485 and RS-422 communication standards. It is manufactured by Analog Devices and is commonly used in industrial and commercial applications where reliable data transmission is crucial. The device features a half-duplex communication capability, allowing for two-way data transmission over a single twisted pair.
The ADM1485JRZ operates over a wide voltage range and supports up to 32 transceivers on a single bus, making it versatile for complex network topologies. It provides robust performance with a high ESD protection level, ensuring durability in harsh environments. The transceiver offers a fail-safe feature, ensuring a known output state when inputs are open or shorted.
With a low power consumption design, the ADM1485JRZ is suitable for applications requiring extended battery life, such as remote sensing and control systems. Its compact surface-mount package makes it easy to integrate into space-constrained designs. Overall, the ADM1485JRZ is valued for its reliability, efficiency, and ease of use in various data communication applications.
The ADM1485JRZ operates over a wide voltage range and supports up to 32 transceivers on a single bus, making it versatile for complex network topologies. It provides robust performance with a high ESD protection level, ensuring durability in harsh environments. The transceiver offers a fail-safe feature, ensuring a known output state when inputs are open or shorted.
With a low power consumption design, the ADM1485JRZ is suitable for applications requiring extended battery life, such as remote sensing and control systems. Its compact surface-mount package makes it easy to integrate into space-constrained designs. Overall, the ADM1485JRZ is valued for its reliability, efficiency, and ease of use in various data communication applications.
Equivalent
The ADM1485JRZ is a high-speed RS-485/RS-422 transceiver. Equivalent products include:
1. MAX485 from Maxim Integrated
2. SN75176B from Texas Instruments
3. LTC485 from Analog Devices (formerly Linear Technology)
4. SP485 from Exar
5. ST485 from STMicroelectronics
These alternatives offer similar functionalities, such as low power consumption, differential signaling, and compatibility with RS-485 standards. Always check the specific datasheets for compatibility with your application.
1. MAX485 from Maxim Integrated
2. SN75176B from Texas Instruments
3. LTC485 from Analog Devices (formerly Linear Technology)
4. SP485 from Exar
5. ST485 from STMicroelectronics
These alternatives offer similar functionalities, such as low power consumption, differential signaling, and compatibility with RS-485 standards. Always check the specific datasheets for compatibility with your application.
Features
The ADM1485JRZ is a low-power, differential line transceiver designed for RS-485 and RS-422 communication protocols. It operates with a wide range of supply voltages, typically from 4.5 V to 5.5 V, and features a low power consumption mode which is particularly useful in battery-powered applications. The device supports data rates up to 5 Mbps, facilitating fast data transmission over long distances.
Key features include:
1. Low Power Consumption: It has a shutdown mode, reducing power consumption to minimal levels when the transceiver is not in use.
2. High-Speed Data Transmission: Supports up to 5 Mbps data rates.
3. Wide Voltage Range: Operates between 4.5 V and 5.5 V.
4. Thermal Shutdown Protection: Built-in protection against overheating.
5. Short-Circuit Protection: Protects against line short circuits.
6. Enhanced ESD Protection: Provides robust ESD protection for reliable operation in harsh environments.
7. Compact Packaging: Available in a space-saving SOIC package.
These features make the ADM1485JRZ suitable for industrial automation, building automation, and other applications requiring robust and efficient serial communication.
Key features include:
1. Low Power Consumption: It has a shutdown mode, reducing power consumption to minimal levels when the transceiver is not in use.
2. High-Speed Data Transmission: Supports up to 5 Mbps data rates.
3. Wide Voltage Range: Operates between 4.5 V and 5.5 V.
4. Thermal Shutdown Protection: Built-in protection against overheating.
5. Short-Circuit Protection: Protects against line short circuits.
6. Enhanced ESD Protection: Provides robust ESD protection for reliable operation in harsh environments.
7. Compact Packaging: Available in a space-saving SOIC package.
These features make the ADM1485JRZ suitable for industrial automation, building automation, and other applications requiring robust and efficient serial communication.
Pinout
The ADM1485JRZ is a transceiver designed for RS-485 and RS-422 communication standards. It is typically housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of its pin functions:
1. RO (Receiver Output): Outputs the received data.
2. RE̅ (Receiver Enable): Active low input that enables the receiver when low.
3. DE (Driver Enable): Activates the driver when high.
4. DI (Driver Input): Accepts data input for transmission.
5. GND: Ground reference for the device.
6. A/Y (Non-Inverting Driver Output/Receiver Input): Used for transmitting or receiving data.
7. B/Z (Inverting Driver Output/Receiver Input): Used for transmitting or receiving data.
8. VCC: Power supply input, typically 5V.
The ADM1485JRZ supports half-duplex communication, allowing it to transmit and receive data but not simultaneously. It is commonly used in industrial automation, process control, and data communication applications.
1. RO (Receiver Output): Outputs the received data.
2. RE̅ (Receiver Enable): Active low input that enables the receiver when low.
3. DE (Driver Enable): Activates the driver when high.
4. DI (Driver Input): Accepts data input for transmission.
5. GND: Ground reference for the device.
6. A/Y (Non-Inverting Driver Output/Receiver Input): Used for transmitting or receiving data.
7. B/Z (Inverting Driver Output/Receiver Input): Used for transmitting or receiving data.
8. VCC: Power supply input, typically 5V.
The ADM1485JRZ supports half-duplex communication, allowing it to transmit and receive data but not simultaneously. It is commonly used in industrial automation, process control, and data communication applications.
Manufacturer
The ADM1485JRZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. The company provides products and technologies used in various industries, including communications, healthcare, automotive, industrial, and consumer electronics. Known for its innovation in signal processing, sensor, and power management technologies, Analog Devices serves a broad range of applications with a focus on performance and reliability.
Application
The ADM1485JRZ is a low-power differential line transceiver designed for RS-485 and RS-422 communication applications. It is commonly used in industrial automation, process control systems, and data networks where long-distance, high-speed data transmission is required. The device is suitable for applications like building automation systems, HVAC control, security systems, and remote sensing. It is also utilized in energy management systems, such as smart grids, where reliable communication over long distances is essential. The ADM1485JRZ's robust design makes it ideal for environments with electrical noise and potential interference, ensuring data integrity and system reliability.
Package
The ADM1485JRZ is typically available in an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is compact and suitable for surface mounting on printed circuit boards.
