Overview
The ISO7741DBQEVM is an evaluation module designed by Texas Instruments to facilitate the evaluation and development of the ISO7741 high-performance, quad-channel digital isolator. This module is part of the ISO774x family, which includes devices with reinforced insulation ratings and high electromagnetic immunity. The ISO7741DBQEVM allows designers to assess the performance of the ISO7741 device with minimal external components, making it an essential tool for fast development and analysis of isolated systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Isolation Rating (DBQ package) | 3000 | VRMS |
| Data Rate | 100 | Mbps |
| Supply Voltage Range | 2.25 to 5.5 | V |
| Operating Temperature Range | -55 to 125 | °C |
| Propagation Delay (typical at 5V Supplies) | 10.7 | ns |
| Power Consumption (typical per channel at 1Mbps) | 1.5 | mA |
| Package Type | QSOP (DBQ-16) | |
| Number of Pins | 16 | |
| Surge Capability | Up to 12.8kV | |
| CMTI (Common Mode Transient Immunity) | ±100kV/µs (typical) | |
| ESD Protection | ±8kV IEC 61000-4-2 contact discharge |
Key Features
- High-performance, quad-channel digital isolator with up to 3000VRMS isolation rating (DBQ package)
- Robust isolation barrier with >30-year projected lifetime at 1500VRMS working voltage and up to 12.8kV surge capability
- Wide supply range: 2.25V to 5.5V and level translation within this range
- Default output high (ISO774x) and low (ISO774xF) options
- Low power consumption, typical 1.5mA per channel at 1Mbps
- Low propagation delay: 10.7ns typical (5V Supplies)
- Robust electromagnetic compatibility (EMC) with system-level ESD, EFT, and surge immunity
- ±8kV IEC 61000-4-2 contact discharge protection across isolation barrier
- Low emissions and wide-SOIC (DW-16) and QSOP (DBQ-16) package options
- Automotive version available: ISO774x-Q1
- Safety-related certifications including DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1
Applications
- Industrial automation
- Motor control
- Power supplies
- Solar inverters
- Medical equipment
- Used in conjunction with isolated power supplies to prevent noise currents on data buses such as RS-485, RS-232, and CAN
Q & A
- What is the primary function of the ISO7741DBQEVM?
The ISO7741DBQEVM is an evaluation module designed to evaluate the performance of the ISO7741 high-performance, quad-channel digital isolator.
- What is the isolation rating of the ISO7741 in the DBQ package?
The isolation rating of the ISO7741 in the DBQ package is up to 3000VRMS.
- What is the data rate capability of the ISO7741?
The ISO7741 can handle data rates up to 100Mbps.
- What is the operating temperature range of the ISO7741?
The operating temperature range is from -55°C to 125°C.
- What is the typical power consumption per channel at 1Mbps?
The typical power consumption per channel at 1Mbps is 1.5mA.
- What kind of ESD protection does the ISO7741 offer?
The ISO7741 offers ±8kV IEC 61000-4-2 contact discharge protection across the isolation barrier.
- What are some of the safety-related certifications of the ISO7741?
The ISO7741 has certifications including DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1.
- What are the package options available for the ISO7741?
The ISO7741 is available in wide-SOIC (DW-16) and QSOP (DBQ-16) package options.
- Is there an automotive version of the ISO7741 available?
Yes, an automotive version, ISO774x-Q1, is available.
- What types of applications can the ISO7741 be used in?
The ISO7741 can be used in industrial automation, motor control, power supplies, solar inverters, and medical equipment.
