Overview
The ADM483EARZ-REEL is a 5 V, low-power data transceiver designed by Analog Devices Inc. for half-duplex communication on multipoint bus transmission lines. This device is part of the RS-485 and RS-422 interface family, offering robust performance and protection features. It is particularly suited for applications requiring reliable data transmission over long distances and in noisy environments.
Key Specifications
| Parameter | Attribute Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADM483EARZ-REEL |
| Package | 8-SOIC (0.154, 3.90mm Width) |
| Interface | RS-485 / RS-422 |
| Number of Drivers/Receivers | 1/1 |
| Data Rate | 250 kbps |
| Receiver Hysteresis | 70 mV |
| Operating Voltage | 5 V |
| ESD Protection | ±15 kV |
| Operating Temperature Range | –40°C to +85°C |
| Storage Temperature Range | –65°C to +125°C |
Key Features
- ±15 kV ESD Protection: Provides robust protection against electrostatic discharge.
- Slew Rate Limited: Reduces electromagnetic interference (EMI) and data errors caused by reflections from improperly terminated buses.
- Fail-Safe Feature: Ensures a logic high output state if the inputs are unconnected (floating).
- Thermal Shutdown Circuit: Prevents excessive power dissipation caused by bus contention or output shorting.
- High Impedance Driver Output: Maintained over the entire common-mode voltage range from –7 V to +12 V when the driver is disabled or powered down.
- Half-Duplex Operation: Supports up to 32 drivers on a single line, with the ability to disable drivers to avoid bus overloading.
Applications
- Industrial Automation: Suitable for use in industrial control systems and automation equipment.
- Telecommunications: Used in telecommunications equipment for reliable data transmission.
- Medical Devices: Applicable in medical devices requiring robust and reliable communication interfaces.
- Automotive Systems: Employed in automotive systems for communication between various modules.
- Building Automation: Used in building automation systems for controlling and monitoring various parameters.
Q & A
- What is the primary function of the ADM483EARZ-REEL?
The ADM483EARZ-REEL is a 5 V, low-power data transceiver designed for half-duplex communication on multipoint bus transmission lines, supporting RS-485 and RS-422 interfaces.
- What type of package does the ADM483EARZ-REEL come in?
The device is packaged in an 8-SOIC (0.154, 3.90mm Width).
- What is the data rate of the ADM483EARZ-REEL?
The data rate of the ADM483EARZ-REEL is 250 kbps.
- Does the ADM483EARZ-REEL have ESD protection?
Yes, the ADM483EARZ-REEL has ±15 kV ESD protection.
- What is the operating temperature range of the ADM483EARZ-REEL?
The operating temperature range is –40°C to +85°C.
- How does the slew rate limitation feature benefit the ADM483EARZ-REEL?
The slew rate limitation reduces electromagnetic interference (EMI) and data errors caused by reflections from improperly terminated buses.
- What is the fail-safe feature of the ADM483EARZ-REEL?
The fail-safe feature ensures a logic high output state if the inputs are unconnected (floating).
- Can multiple drivers be connected to a single line with the ADM483EARZ-REEL?
Yes, up to 32 drivers can be connected to a single line, with the ability to disable drivers to avoid bus overloading.
- How does the thermal shutdown circuit protect the device?
The thermal shutdown circuit prevents excessive power dissipation caused by bus contention or output shorting.
- What are some common applications of the ADM483EARZ-REEL?
The device is commonly used in industrial automation, telecommunications, medical devices, automotive systems, and building automation.
