Overview
The ISO7761DBQR from Texas Instruments is a high-performance, six-channel digital isolator designed to provide robust electromagnetic compatibility (EMC) and low power consumption. This device is part of the ISO776x family, which offers high-speed data transfer and reinforced insulation, making it suitable for a variety of applications requiring reliable and isolated digital signal transmission.
Key Specifications
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Data Rate | Maximum specified data rate | 100 | Mbps |
| Isolation Rating | Maximum working voltage (DBQ-16 package) | 3000 | VRMS |
| Supply Voltage Range | Input and output side supply voltage | 2.25 to 5.5 | V |
| Propagation Delay | Typical propagation delay at 5 V | 11 | ns |
| Temperature Range | Operating temperature range | -55 to 125 | °C |
| Package Type | Package options | SSOP-16 | |
| ESD Protection | Contact discharge protection across isolation barrier | ±8 kV IEC 61000-4-2 | |
| Surge Capability | Maximum surge isolation voltage (DBQ-16 package) | 10000 | VPK |
Key Features
- High-speed data rate of up to 100 Mbps
- Robust isolation barrier with >30-year projected lifetime and up to 3000 VRMS isolation rating (DBQ-16 package)
- Wide supply range: 2.25 V to 5.5 V
- Level translation between different voltage domains
- Low power consumption, typical 1.4 mA per channel at 1 Mbps
- Low propagation delay: 11 ns typical at 5 V
- Robust EMC with system-level ESD, EFT, and surge immunity
- Configurable for sourcing or sinking type digital inputs with minimal hardware change
- Safety-related certifications including UL 1577, VDE, 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 ISO7761DBQR?
The maximum specified data rate is 100 Mbps, although higher data rates are possible.
- What is the isolation rating of the ISO7761DBQR?
The isolation rating is up to 3000 VRMS for the DBQ-16 package.
- What is the operating temperature range of the ISO7761DBQR?
The operating temperature range is -55°C to +125°C.
- What types of packages are available for the ISO7761DBQR?
The device is available in SSOP-16 packages.
- Does the ISO7761DBQR have ESD protection?
- What are the safety-related certifications for the ISO7761DBQR?
- What is the typical propagation delay of the ISO7761DBQR at 5 V?
- What is the maximum surge isolation voltage for the DBQ-16 package?
- What are some common applications for the ISO7761DBQR?
- How does the ISO7761DBQR handle electromagnetic compatibility (EMC)?
