規格
| 屬性 | 價值 |
| Package | Tube |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Half |
| ReceiverHysteresis | 70 mV |
| DataRate | 250kbps |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The ADM483EARZ is a product from Analog Devices, Inc., designed as a low-power, robust RS-485/RS-422 transceiver. It provides reliable communication in industrial and commercial environments. The device supports data transmission speeds up to 250 kbps and features a half-duplex communication mode, allowing bidirectional data flow on a single twisted pair. One of its key features is its enhanced electrostatic discharge (ESD) protection, offering immunity against electrical surges that can damage the device. The ADM483EARZ operates over a wide voltage range and includes fail-safe mechanisms to ensure consistent performance even in the presence of bus faults. Additionally, it features thermal shutdown and short-circuit protection, which safeguard the device from overheating and current overload scenarios. The small-size packaging makes it suitable for applications where space is a constraint, including telecommunications, industrial automation, and instrumentation systems. Its low power consumption also makes it ideal for battery-powered applications, emphasizing its versatility across various use cases.
Equivalent
The ADM483EARZ is a low power, half-duplex RS-485/RS-422 transceiver by Analog Devices. Equivalent products include:
1. MAX3485E by Maxim Integrated.
2. SN65HVD3082E by Texas Instruments.
3. SP485E by MaxLinear (formerly Sipex).
4. LTC1480 by Linear Technology (part of Analog Devices now).
These alternatives offer similar functionalities and can be used in RS-485/RS-422 communication applications. Always verify pin compatibility and electrical specifications before substituting.
1. MAX3485E by Maxim Integrated.
2. SN65HVD3082E by Texas Instruments.
3. SP485E by MaxLinear (formerly Sipex).
4. LTC1480 by Linear Technology (part of Analog Devices now).
These alternatives offer similar functionalities and can be used in RS-485/RS-422 communication applications. Always verify pin compatibility and electrical specifications before substituting.
Features
The ADM483EARZ is a high-performance, robust RS-485/RS-422 transceiver designed for reliable communication over long distances and in electrically noisy environments. Here are its key features:
1. Data Rate: Supports up to 250 kbps, suitable for various industrial and communication applications.
2. Half-Duplex Communication: Facilitates bi-directional data transfer on a single twisted pair, making it ideal for RS-485 networks.
3. Extended Common-Mode Range: Operates over a wide common-mode voltage range of -7 V to +12 V, enhancing noise immunity.
4. Thermal Shutdown Protection: Includes thermal shutdown circuitry to prevent damage from overheating.
5. Fail-Safe Operation: Ensures a known output state when the bus is idle or open, preventing indeterminate states.
6. Low Power Consumption: Features a low power shutdown mode, reducing power consumption to 0.1 µA.
7. High Input Impedance: Supports up to 256 nodes on the bus, maximizing network flexibility.
8. ESD Protection: Offers high Electrostatic Discharge (ESD) protection on bus pins, enhancing durability.
These features make the ADM483EARZ well-suited for industrial automation, process control, and communication systems that require reliable data transmission.
1. Data Rate: Supports up to 250 kbps, suitable for various industrial and communication applications.
2. Half-Duplex Communication: Facilitates bi-directional data transfer on a single twisted pair, making it ideal for RS-485 networks.
3. Extended Common-Mode Range: Operates over a wide common-mode voltage range of -7 V to +12 V, enhancing noise immunity.
4. Thermal Shutdown Protection: Includes thermal shutdown circuitry to prevent damage from overheating.
5. Fail-Safe Operation: Ensures a known output state when the bus is idle or open, preventing indeterminate states.
6. Low Power Consumption: Features a low power shutdown mode, reducing power consumption to 0.1 µA.
7. High Input Impedance: Supports up to 256 nodes on the bus, maximizing network flexibility.
8. ESD Protection: Offers high Electrostatic Discharge (ESD) protection on bus pins, enhancing durability.
These features make the ADM483EARZ well-suited for industrial automation, process control, and communication systems that require reliable data transmission.
Pinout
The ADM483EARZ is an RS-485/RS-422 transceiver. It is typically housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a breakdown of its pin functions:
1. RO (Receiver Output): Outputs the received data from the bus.
2. RE (Receiver Enable): Active-low input to enable the receiver.
3. DE (Driver Enable): Active-high input to enable the driver.
4. DI (Driver Input): Input for data to be transmitted on the bus.
5. GND: Ground reference for the device.
6. A (Non-inverting Driver Output/Non-inverting Receiver Input): One of the differential bus terminals.
7. B (Inverting Driver Output/Inverting Receiver Input): The other differential bus terminal.
8. VCC: Supply voltage for the device.
The ADM483EARZ is used for differential data communication over long distances and operates at a higher data rate, suitable for various industrial and communication applications.
1. RO (Receiver Output): Outputs the received data from the bus.
2. RE (Receiver Enable): Active-low input to enable the receiver.
3. DE (Driver Enable): Active-high input to enable the driver.
4. DI (Driver Input): Input for data to be transmitted on the bus.
5. GND: Ground reference for the device.
6. A (Non-inverting Driver Output/Non-inverting Receiver Input): One of the differential bus terminals.
7. B (Inverting Driver Output/Inverting Receiver Input): The other differential bus terminal.
8. VCC: Supply voltage for the device.
The ADM483EARZ is used for differential data communication over long distances and operates at a higher data rate, suitable for various industrial and communication applications.
Manufacturer
The ADM483EARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in data conversion, signal processing, and power management technology. They design, manufacture, and market a wide range of integrated circuits used in electronic equipment for various industries, including industrial, automotive, communications, and consumer electronics. The company is known for its high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits.
Application
The ADM483EARZ is an RS-485/RS-422 transceiver designed for high-speed, long-distance data communication applications. Key application areas include industrial automation for machine-to-machine communication, building automation systems, and process control networks. It is also used in HVAC control systems, security and surveillance systems, and energy management applications. Additionally, the ADM483EARZ can be employed in telecommunications infrastructure, automotive networking, and any scenario requiring robust, differential signaling over twisted-pair cables. Its ability to handle data rates of up to 250 kbps and operate over extended temperature ranges makes it suitable for harsh and demanding environments.
Package
The ADM483EARZ is available in a 14-lead narrow SOIC (Small Outline Integrated Circuit) package.