Overview
The ISO7760DBQR is a high-performance, six-channel digital isolator produced by Texas Instruments. This device is designed to provide robust galvanic isolation between different circuits, ensuring signal integrity and system protection in various electronic applications. It features a double capacitive silicon dioxide (SiO2) insulation barrier, which offers high electromagnetic immunity and low emissions at low power consumption. The ISO7760DBQR is available in a 16-pin SSOP package and is certified according to several safety standards, including UL 1577, VDE, CSA, TUV, and CQC.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SSOP-16 | |
| Number of Channels | 6 | |
| Isolation Rating | 3000 VRMS (DBQ package) | |
| Surge Isolation Voltage | Up to 12.8 kV | |
| CMTI (Typical) | ±100 kV/µs | |
| Data Rate (Max) | 100 Mbps | |
| Supply Voltage Range | 2.25 V to 5.5 V | |
| Operating Temperature Range | -55°C to 125°C | |
| Propagation Delay Time (Typical) | 11 ns at 5 V | |
| Current Consumption per Channel (Typical at 1 Mbps) | 1.4 mA |
Key Features
- Robust isolation barrier with >30-year projected lifetime and up to 5000 VRMS isolation rating.
- High-speed data rate of up to 100 Mbps.
- Wide supply range: 2.25 V to 5.5 V and level translation capabilities.
- Low power consumption with typical current consumption of 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.
- Default output high (ISO776x) and low (ISO776xF) options.
- Safety-related certifications including UL 1577, VDE, CSA, TUV, and CQC.
Applications
The ISO7760DBQR is suitable for various applications that require noise immunity and protection, including:
- Industrial automation
- Motor control
- Power supplies
- Solar inverters
- Medical equipment
It is particularly useful in environments where high-speed digital signal transmission and robust isolation are necessary to prevent noise currents from interfering with sensitive circuitry.
Q & A
- Q: What is the maximum data rate supported by the ISO7760DBQR?
A: The ISO7760DBQR supports data rates up to 100 Mbps. - Q: Is the ISO7760DBQR suitable for harsh industrial environments?
A: Yes, it offers robust isolation and protection features, making it suitable for harsh industrial environments. - Q: What is the isolation rating of the ISO7760DBQR in the SSOP package?
A: The isolation rating is up to 3000 VRMS in the SSOP package. - Q: What is the typical CMTI of the ISO7760DBQR?
A: The typical CMTI is ±100 kV/µs. - Q: What is the operating temperature range of the ISO7760DBQR?
A: The operating temperature range is -55°C to 125°C. - Q: What are the safety certifications for the ISO7760DBQR?
A: It is certified according to UL 1577, VDE, CSA, TUV, and CQC. - Q: How many channels does the ISO7760DBQR have?
A: The ISO7760DBQR has six channels. - Q: What is the typical propagation delay of the ISO7760DBQR at 5 V?
A: The typical propagation delay is 11 ns at 5 V. - Q: What is the current consumption per channel at 1 Mbps for the ISO7760DBQR?
A: The typical current consumption per channel at 1 Mbps is 1.4 mA. - Q: Does the ISO7760DBQR have automotive versions available?
A: Yes, automotive versions are available, such as the ISO776x-Q1 series.
