Overview
The ISO7761DWR, produced by Texas Instruments, is a high-performance, six-channel digital isolator. This device is part of the ISO776x family, known for its robust isolation barrier and high electromagnetic immunity. The ISO7761DWR is designed to isolate CMOS or LVCMOS digital I/Os, providing a reliable and efficient solution for various industrial and medical applications. It features a wide supply range of 2.25 V to 5.5 V and operates over a broad temperature range from -55°C to +125°C, making it versatile for diverse environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC1, VCC2) | 2.25 to 5.5 | V |
| Data Rate | 0 to 100 | Mbps |
| Isolation Rating (DW package) | 5000 | VRMS |
| Isolation Rating (DBQ package) | 3000 | VRMS |
| Surge Capability | Up to 12.8 kV | |
| Common Mode Transient Immunity (CMTI) | ±100 kV/μs | |
| Propagation Delay | 11 ns (typical at 5 V) | ns |
| Power Consumption (typical at 1 Mbps) | 1.4 mA per channel | mA |
| Operating Temperature | -55°C to +125°C | °C |
| Package Options | Wide-SOIC (DW-16) and SSOP (DBQ-16) |
Key Features
- Robust isolation barrier with >30-year projected lifetime and up to 5000 VRMS isolation rating.
- High data rate of up to 100 Mbps.
- Wide supply range of 2.25 V to 5.5 V and level translation capabilities.
- Low power consumption, with typical 1.4 mA per channel at 1 Mbps.
- Low propagation delay of 11 ns typical at 5 V.
- Robust electromagnetic compatibility (EMC) with system-level ESD, EFT, and surge immunity.
- Automotive version available (ISO776x-Q1).
- Safety-related certifications including UL 1577, CSA, TUV, and CQC.
Applications
- Industrial automation.
- Motor control.
- Power supplies.
- Solar inverters.
- Medical equipment.
Q & A
- What is the maximum data rate of the ISO7761DWR?
The maximum data rate of the ISO7761DWR is up to 100 Mbps.
- What is the isolation rating of the ISO7761DWR in the DW package?
The isolation rating of the ISO7761DWR in the DW package is up to 5000 VRMS.
- What is the operating temperature range of the ISO7761DWR?
The operating temperature range of the ISO7761DWR is from -55°C to +125°C.
- What are the package options available for the ISO7761DWR?
The ISO7761DWR is available in Wide-SOIC (DW-16) and SSOP (DBQ-16) packages.
- Does the ISO7761DWR have any safety-related certifications?
- What is the typical power consumption of the ISO7761DWR at 1 Mbps?
The typical power consumption of the ISO7761DWR at 1 Mbps is 1.4 mA per channel.
- What is the propagation delay of the ISO7761DWR at 5 V?
The propagation delay of the ISO7761DWR at 5 V is 11 ns typical.
- Is the ISO7761DWR suitable for automotive applications?
- What kind of electromagnetic compatibility does the ISO7761DWR offer?
The ISO7761DWR offers robust electromagnetic compatibility with system-level ESD, EFT, and surge immunity.
- What are some common applications of the ISO7761DWR?
