Overview
The ADM2482EBRWZ-REEL7 is a high-performance, isolated RS-485/RS-422 transceiver produced by Analog Devices Inc. This device integrates a 3-channel isolator, a three-state differential line driver, and a differential input receiver into a single package, utilizing Analog Devices' iCoupler® technology. It is designed to provide reliable and isolated communication in various industrial and commercial applications, ensuring robust performance and compliance with TIA/EIA-485-A-98 and ISO 8482:1987(E) standards.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Isolation Voltage | - | - | 2500 | Vrms | - |
| Data Rate | - | - | 16 | Mbps | - |
| Common-Mode Transient Immunity (CMTI) | - | - | 25 | kV/μs | VCM = 1 kV, transient magnitude = 800 V |
| Differential Output Voltage (Loaded) | 1.5 | - | 5.0 | V | RL = 54 Ω (RS-485) |
| Propagation Delay (Driver) | 100 | - | - | ns | RDIFF = 54 Ω, CL = 100 pF |
| Propagation Delay (Receiver) | 110 | - | - | ns | CL = 15 pF |
| Power Supply Current (Bus Side) | - | - | 50 | mA | VDD2 = 3.6 V, half-duplex configuration, RTERMINATION = 120 Ω |
| Logic Side Power Supply | - | - | - | 5 V or 3.3 V | - |
| Bus Side Power Supply | - | - | - | Isolated 3.3 V | - |
Key Features
- High-speed data transmission up to 16 Mbps
- 2.5 kVrms isolation voltage for enhanced safety and reliability
- Compliance with TIA/EIA-485-A-98 and ISO 8482:1987(E) standards
- Three-state differential line driver and differential input receiver
- On-chip oscillator for isolated power generation
- Active high enable for the driver and active low enable for the receiver
- High common-mode transient immunity (CMTI) of 25 kV/μs
- Available in 16-pin SOIC package
Applications
The ADM2482EBRWZ-REEL7 is suitable for a variety of applications requiring isolated and reliable communication, including:
- Industrial automation and control systems
- Building automation and HVAC systems
- Medical devices and equipment
- Aerospace and defense systems
- Automotive systems and networks
- Telecommunications and networking equipment
Q & A
- What is the maximum data rate supported by the ADM2482EBRWZ-REEL7?
The ADM2482EBRWZ-REEL7 supports data rates up to 16 Mbps. - What is the isolation voltage of the ADM2482EBRWZ-REEL7?
The isolation voltage is 2.5 kVrms. - Does the ADM2482EBRWZ-REEL7 comply with industry standards?
Yes, it complies with TIA/EIA-485-A-98 and ISO 8482:1987(E) standards. - What is the common-mode transient immunity (CMTI) of the device?
The CMTI is 25 kV/μs. - What are the power supply options for the logic and bus sides?
The logic side can be powered with either 5 V or 3.3 V, and the bus side is powered with an isolated 3.3 V supply. - What is the package type of the ADM2482EBRWZ-REEL7?
The device is available in a 16-pin SOIC package. - How does the on-chip oscillator function?
The on-chip oscillator outputs a pair of square waveforms that drive an external transformer to provide isolated power. - What are the enable conditions for the driver and receiver?
The driver has an active high enable, and the receiver has an active low enable. - What is the typical propagation delay for the driver and receiver?
The typical propagation delay for the driver is 100 ns, and for the receiver, it is 110 ns. - What are some common applications for the ADM2482EBRWZ-REEL7?
Common applications include industrial automation, building automation, medical devices, aerospace and defense systems, automotive systems, and telecommunications equipment.
