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ADM1485AR
+BOMIC TX/RX RS-485 HS 5V 8SOIC
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メーカーテキサス・インスツルメンツ
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メーカー品番 #ADM1485AR
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データシート ADM1485AR DataSheet
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パッケージ SOIC-8
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在庫状況7536
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tube |
| ProductStatus | Obsolete |
| Type | Transceiver |
| Protocol | RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Voltage-Supply | 4.75V ~ 5.25V |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
Key features of the ADM1485AR include a wide common-mode range, thermal shutdown protection, and short-circuit protection. It includes a driver and a receiver that share the same differential bus pins, allowing for efficient data transmission and reception over twisted-pair cables.
With its high input impedance, the ADM1485AR can support up to 32 nodes on the bus, making it suitable for multi-point communication networks. The transceiver also provides fail-safe features to ensure a stable logic level when the bus is idle or open. Designed for industrial and instrumentation applications, the ADM1485AR offers robust performance and reliability in electrically noisy environments. Its compact SOIC-8 package is ideal for space-constrained applications.
Equivalent
1. MAX1487 by Maxim Integrated
2. SN75176B by Texas Instruments
3. LTC485 by Analog Devices
4. SP485 by MaxLinear
5. SN65HVD485E by Texas Instruments
These alternatives provide similar functionalities, such as half-duplex communication and comparable data rates, but check specific datasheets for compatibility in terms of voltage, speed, and package type.
Features
1. High Data Rate: Supports data rates up to 12 Mbps, making it suitable for fast data transmission.
2. Low Power Consumption: Features a low power shutdown mode, reducing the supply current to less than 1 µA.
3. Wide Supply Voltage Range: Operates from 5 V, offering compatibility with various systems.
4. Thermal Shutdown Protection: Ensures the device is protected from overheating under fault conditions.
5. Short-Circuit Protection: Safeguards the transceiver output against short circuits, enhancing reliability.
6. Driver and Receiver Enable: Includes separate driver and receiver enable pins for operation flexibility.
7. Fail-Safe Receiver Inputs: Ensures a known output state when the inputs are open, shorted, or terminated.
8. Industry Standard Interface: Complies with RS-485 and RS-422 standards, facilitating integration into existing systems.
These features make the ADM1485AR ideal for use in industrial automation, building automation, and other applications requiring robust and reliable serial communication.
Pinout
Here is a brief overview of its pin functions:
1. RO (Receiver Output): Outputs the data received from the bus.
2. RE (Receiver Enable): Active low input to enable the receiver. When high, the receiver output is high impedance.
3. DE (Driver Enable): Active high input to enable the driver. When low, the driver outputs are high impedance.
4. DI (Driver Input): Data input for the driver.
5. GND (Ground): Ground reference for the device.
6. A (Non-inverting Driver Output/Receiver Input): Connected to the line.
7. B (Inverting Driver Output/Receiver Input): Connected to the line.
8. VCC (Power Supply): Positive power supply input.
The ADM1485AR is suitable for use in industrial control, telecommunications, and other applications requiring robust data communication over long distances.
Manufacturer
Application
1. Industrial Automation: Used in factory floor communications for robust data transmission.
2. Building Automation: Facilitates communication in HVAC systems and security systems.
3. Networking: Employed in networked systems for reliable data transfer.
4. Telecommunications: Supports data transmission in telecom systems.
5. Energy Management: Utilized in smart grid and energy monitoring systems.
6. Remote Data Acquisition: Ideal for systems that require long-distance and high-speed data transmission.
These applications leverage the transceiver's capabilities for reliable communication over long distances and noisy environments.