Overview
The ISO7720FQDQ1 is a high-performance, dual-channel digital isolator produced by Texas Instruments. This device is part of the ISO772x-Q1 family, which is qualified for automotive applications and meets the AEC-Q100 standard. It features a robust isolation barrier with up to 5000 V RMS isolation rating for DW and DWV packages, and up to 3000 V RMS for the D package. The device is designed to provide high electromagnetic immunity and low emissions, making it suitable for use in various automotive and industrial systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Isolation Rating | Up to 5000 V RMS (DW, DWV), Up to 3000 V RMS (D) | V RMS |
| Surge Capability | Up to 12.8 kV | kV |
| Common Mode Transient Immunity (CMTI) | ±100 kV/µs | kV/µs |
| Supply Voltage Range | 2.25 V to 5.5 V | V |
| Data Rate | Up to 100 Mbps | Mbps |
| Propagation Delay | 11 ns typical | ns |
| Power Consumption per Channel | Typical 1.7 mA at 1 Mbps | mA |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Options | 16-pin SOIC wide-body (DW), 8-pin SOIC wide-body (DWV), 8-pin SOIC narrow-body (D) |
Key Features
- Qualified for automotive applications with AEC-Q100 qualification.
- Functional Safety-Capable with documentation available to aid in functional safety system design.
- Robust isolation barrier with >30-year projected lifetime at 1.5 kV RMS working voltage.
- Wide supply range: 2.25 V to 5.5 V and 2.25-V to 5.5-V level translation.
- Default output High (ISO772x) and Low (ISO772xF) options.
- Low power consumption and low propagation delay.
- Robust electromagnetic compatibility (EMC) with system-level ESD, EFT, and surge immunity.
- ±8 kV IEC 61000-4-2 contact discharge protection across the isolation barrier.
- Safety-related certifications including VDE reinforced insulation, UL 1577 component recognition, and various IEC certifications.
Applications
- Hybrid, electric, and power train systems (EV/HEV): Battery management systems (BMS), on-board chargers, traction inverters, DC/DC converters, and inverter and motor control.
- Automotive systems: CAN and LIN bus isolation to prevent noise currents from damaging sensitive circuitry.
- Industrial control systems requiring high isolation and EMC performance.
Q & A
- What is the isolation rating of the ISO7720FQDQ1?
The ISO7720FQDQ1 has an isolation rating of up to 5000 V RMS for DW and DWV packages, and up to 3000 V RMS for the D package.
- What is the maximum data rate supported by the ISO7720FQDQ1?
The device supports a maximum data rate of up to 100 Mbps.
- What are the supply voltage range and power consumption of the ISO7720FQDQ1?
The supply voltage range is 2.25 V to 5.5 V, and the typical power consumption per channel is 1.7 mA at 1 Mbps.
- What are the package options available for the ISO7720FQDQ1?
The device is available in 16-pin SOIC wide-body (DW), 8-pin SOIC wide-body (DWV), and 8-pin SOIC narrow-body (D) packages.
- Is the ISO7720FQDQ1 qualified for automotive applications?
- What safety certifications does the ISO7720FQDQ1 have?
The device has safety-related certifications including VDE reinforced insulation, UL 1577 component recognition, and various IEC certifications.
- What is the typical propagation delay of the ISO7720FQDQ1?
The typical propagation delay is 11 ns.
- How does the ISO7720FQDQ1 protect against ESD and surges?
The device offers ±8 kV IEC 61000-4-2 contact discharge protection across the isolation barrier and system-level ESD, EFT, and surge immunity.
- What is the operating temperature range of the ISO7720FQDQ1?
The operating temperature range is -40°C to +125°C.
- What are some common applications of the ISO7720FQDQ1?
