Overview
The ISO6721BQDRQ1 is a high-performance, dual-channel digital isolator manufactured by Texas Instruments. This device is designed for cost-sensitive applications that require high isolation ratings, making it ideal for automotive and industrial environments. The ISO6721BQDRQ1 provides up to 5000 V RMS (DWV package) and 3000 V RMS (D package) isolation ratings per UL 1577, ensuring robust galvanic isolation between the input and output sides.
The device is AEC-Q100 qualified, which means it meets the stringent requirements for automotive applications, including a wide operating temperature range of -40°C to 125°C. It also complies with various safety-related certifications such as DIN VDE V 0884-11:2017-01, UL 1577, IEC 62368-1, IEC 61010-1, and IEC 60601-1.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Package | 8-SOIC (D, DWV) | Operating Temperature Range | -40°C to 125°C |
| Number of Channels | 2 | Channel Type | Unidirectional (ISO6721BQDRQ1), Bidirectional (ISO6721R-Q1) |
| Voltage - Isolation | 3000 V RMS (D package), 5000 V RMS (DWV package) | Data Rate | 50 Mbps |
| Common Mode Transient Immunity (Min) | 100 kV/µs | Propagation Delay tpLH / tpHL (Max) | 18 ns, 18 ns |
| Voltage - Supply | 1.71 V to 1.89 V, 2.25 V to 5.5 V | Qualification | AEC-Q100 |
| Mounting Type | Surface Mount | ESD Protection | ±8 kV IEC 61000-4-2 contact discharge protection |
Key Features
- Functional Safety-Capable: Documentation available to aid functional safety system design, and AEC-Q100 qualified.
- High Isolation Ratings: Up to 5000 V RMS (DWV package) and 3000 V RMS (D package) isolation ratings per UL 1577.
- Robust Isolation Barrier: High lifetime at 1060 V RMS working voltage and ±150 kV/µs typical CMTI.
- Wide Supply Range: 1.71 V to 1.89 V and 2.25 V to 5.5 V, with 1.71-V to 5.5-V level translation.
- Low Power Consumption: 1.8 mA per channel typical at 1 Mbps.
- Low Propagation Delay: 11 ns typical.
- Robust EMC: System-level ESD, EFT, and surge immunity, with low emissions.
- Default Output Options: High (ISO672x-Q1) and Low (ISO672xF-Q1) options available.
Applications
The ISO6721BQDRQ1 is suitable for a variety of applications, particularly in the automotive and industrial sectors. It is used in systems that require high electromagnetic immunity and low emissions, such as:
- Automotive systems: CAN and LIN bus interfaces, sensor interfaces, and other safety-critical applications.
- Industrial control systems: PLCs, motor drives, and other industrial automation equipment.
- Medical equipment: Isolation of patient interfaces and other safety-critical medical devices.
- Consumer electronics: Applications requiring high isolation and low emissions, such as in audio and video equipment.
Q & A
- What is the primary function of the ISO6721BQDRQ1?
The ISO6721BQDRQ1 is a dual-channel digital isolator that provides galvanic isolation between the input and output sides, ensuring high electromagnetic immunity and low emissions.
- What are the isolation ratings for the ISO6721BQDRQ1?
The device offers up to 5000 V RMS (DWV package) and 3000 V RMS (D package) isolation ratings per UL 1577.
- What is the operating temperature range of the ISO6721BQDRQ1?
The operating temperature range is -40°C to 125°C.
- What is the data rate of the ISO6721BQDRQ1?
The data rate is up to 50 Mbps.
- What kind of ESD protection does the ISO6721BQDRQ1 offer?
The device offers ±8 kV IEC 61000-4-2 contact discharge protection across the isolation barrier.
- Is the ISO6721BQDRQ1 AEC-Q100 qualified?
Yes, the device is AEC-Q100 qualified, making it suitable for automotive applications.
- What are the default output options for the ISO6721BQDRQ1?
The device has default output options of High (ISO672x-Q1) and Low (ISO672xF-Q1).
- What is the typical propagation delay of the ISO6721BQDRQ1?
The typical propagation delay is 11 ns.
- What are the safety-related certifications for the ISO6721BQDRQ1?
The device complies with certifications such as DIN VDE V 0884-11:2017-01, UL 1577, IEC 62368-1, IEC 61010-1, and IEC 60601-1.
- What is the supply voltage range for the ISO6721BQDRQ1?
The supply voltage range is 1.71 V to 1.89 V and 2.25 V to 5.5 V.
