Overview
The ADM2795ETRWZ-EP-R7 from Analog Devices Inc. is a robust, 5 kV rms signal isolated RS-485/RS-422 transceiver. This device integrates Analog Devices' iCoupler® technology, combining a 3-channel isolator, RS-485 transceiver, and IEC electromagnetic compatibility (EMC) transient protection in a single package. It is designed to operate over a wide range of power supply voltages (1.7 V to 5.5 V) and temperatures (−55°C to +125°C), making it versatile for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Power Supply Voltage (VDD1) | 1.7 | 5.5 | V | ||
| Power Supply Voltage (VDD2) | 3 | 5.5 | V | ||
| Operating Temperature | −55 | 125 | °C | ||
| Data Rate | 2.5 | Mbps | |||
| Bus Overvoltage Fault Protection | ±42 | V | AC/DC peak bus overvoltage | ||
| Common-Mode Input Range | −25 | 25 | V | ||
| Input Capacitance (A, B) | 150 | pF | TA = 25°C | ||
| Line Input Resistance | 96 | kΩ | −25 V ≤ VCM ≤ +25 V | ||
| Package Type | 16-lead, wide-body SOIC |
Key Features
- Fully TIA/EIA RS-485/RS-422 compliant
- 5 kV rms signal isolation
- ±42 V AC/DC peak bus overvoltage fault protection
- Integrated IEC EMC transient protection
- Extended common-mode input range of ±25 V
- Operating temperature range of −55°C to +125°C
- Flexible power supply range (1.7 V to 5.5 V)
- Supports up to 256 nodes
- Section 22 lightning protection and Section 25 ±15 kV ESD air discharge protection
Applications
- Industrial automation and control systems
- Automotive systems
- Consumer electronics
- Military and aerospace applications
- RS-485/RS-422 communication networks in noisy environments
Q & A
- What is the ADM2795ETRWZ-EP-R7 used for?
The ADM2795ETRWZ-EP-R7 is used as a robust, isolated RS-485/RS-422 transceiver in various communication networks, especially in noisy environments.
- What are the key features of the ADM2795ETRWZ-EP-R7?
Key features include 5 kV rms signal isolation, ±42 V AC/DC peak bus overvoltage fault protection, integrated IEC EMC transient protection, and a flexible power supply range.
- What is the operating temperature range of the ADM2795ETRWZ-EP-R7?
The device operates over a temperature range of −55°C to +125°C.
- What is the data rate supported by the ADM2795ETRWZ-EP-R7?
The device supports a data rate of up to 2.5 Mbps.
- What type of package does the ADM2795ETRWZ-EP-R7 come in?
The device is available in a 16-lead, wide-body SOIC package.
- Is the ADM2795ETRWZ-EP-R7 compliant with RS-485/RS-422 standards?
Yes, the device is fully TIA/EIA RS-485/RS-422 compliant.
- What is the common-mode input range of the ADM2795ETRWZ-EP-R7?
The common-mode input range is ±25 V.
- Does the ADM2795ETRWZ-EP-R7 have built-in ESD protection?
Yes, it provides Section 25 ±15 kV ESD air discharge protection.
- How many nodes can the ADM2795ETRWZ-EP-R7 support?
The device can support up to 256 nodes.
- What are some typical applications of the ADM2795ETRWZ-EP-R7?
Typical applications include industrial automation, automotive systems, consumer electronics, and military and aerospace applications.
