Overview
The ISO7730DBQR from Texas Instruments is a high-performance, triple-channel digital isolator designed to provide robust electrical isolation and high data transfer rates. This device is part of the ISO773x family, which is known for its enhanced electromagnetic compatibility and low power consumption. The ISO7730DBQR is particularly suited for applications requiring reliable and high-speed data transfer across isolated domains.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Data Rate | Up to 100 Mbps | |
| Isolation Rating | 3000 VRMS (DBQ package) | |
| Surge Capability | Up to 12.8 kV | |
| Common Mode Transient Immunity (CMTI) | ±100 kV/μs typical | |
| Supply Voltage Range | 2.25 V to 5.5 V | |
| Propagation Delay | 11 ns typical (5V supplies) | |
| Power Consumption | Typical 1.5 mA per channel at 1 Mbps | |
| Temperature Range | -55°C to +125°C | |
| Package Type | QSOP (DBQ-16) | |
| ESD Protection | ±8 kV IEC 61000-4-2 contact discharge protection |
Key Features
- Robust isolation barrier with >30-year projected lifetime at 1500 VRMS working voltage
- High data rate of up to 100 Mbps
- Wide supply range of 2.25 V to 5.5 V with level translation capability
- Default output high (ISO773x) and low (ISO773xF) options
- Low power consumption and low propagation delay
- Enhanced electromagnetic compatibility (EMC) with system-level ESD, EFT, and surge immunity
- Safety-related certifications including UL 1577, IEC 61010-1, IEC 62368-1, and IEC 60601-1
- Enable pins for multi-controller driving applications and power reduction
Applications
- Industrial automation
- Motor control
- Power supplies
- Solar inverters
- Medical equipment
Q & A
- What is the maximum data rate of the ISO7730DBQR?
The ISO7730DBQR supports data rates up to 100 Mbps. - What is the isolation rating of the ISO7730DBQR?
The isolation rating is 3000 VRMS for the DBQ package. - What is the typical propagation delay of the ISO7730DBQR?
The typical propagation delay is 11 ns at 5V supplies. - What is the operating temperature range of the ISO7730DBQR?
The operating temperature range is -55°C to +125°C. - What types of safety certifications does the ISO7730DBQR have?
The device has certifications including UL 1577, IEC 61010-1, IEC 62368-1, and IEC 60601-1. - What is the purpose of the enable pins on the ISO7730DBQR?
The enable pins can be used to put the respective outputs in high impedance for multi-controller driving applications and to reduce power consumption. - What are the package options for the ISO7730DBQR?
The device is available in a QSOP (DBQ-16) package. - Does the ISO7730DBQR have ESD protection?
Yes, it has ±8 kV IEC 61000-4-2 contact discharge protection across the isolation barrier. - What are some common applications for the ISO7730DBQR?
Common applications include industrial automation, motor control, power supplies, solar inverters, and medical equipment. - How does the ISO7730DBQR enhance electromagnetic compatibility?
The device features enhanced EMC with system-level ESD, EFT, and surge immunity, and low emissions.
