Overview
The ISO7142CCDBQR, produced by Texas Instruments, is a quad-channel digital isolator designed for high-speed data transmission with robust isolation and low power consumption. This device features two forward and two reverse-direction channels, providing galvanic isolation up to 2500 VRMS for 1 minute per UL 1577 and 4242 VPK per DIN V VDE V 0884-10. It operates over a wide temperature range of -55°C to 125°C and supports data rates of up to 50 Mbps with 5-V supplies and 40 Mbps with 3.3-V or 2.7-V supplies. The ISO7142CCDBQR is ideal for noise-prone applications due to its integrated noise filters and is compliant with various safety and regulatory standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Data Rate (Max) | 50 | Mbps |
| Default Output | High | |
| Forward/Reverse Channels | 2/2 | |
| Integrated Isolated Power | No | |
| Isolation Rating | 2500 | VRMS |
| Number of Channels | 4 | |
| Operating Temperature Range | -55 to 125 | °C |
| Package Type | SSOP (DBQ) | |
| Package Size | 3.9 mm x 4.9 mm | |
| Propagation Delay (Typ) | 21 | ns |
| Supply Voltage (Min/Max) | 2.7 / 5.5 | V |
| Transient Immunity | 50 kV/µs |
Key Features
- Robust design with integrated noise filters to support noise-prone applications.
- Low-power consumption: 1.3 mA at 1 Mbps, 2.5 mA at 25 Mbps with 3.3-V supplies.
- Wide temperature range: -55°C to 125°C.
- Operates from 2.7-V, 3.3-V, and 5-V supplies with 2.7-V to 5.5-V level translation.
- Small QSOP-16 package.
- Safety and regulatory approvals: UL 1577, DIN V VDE V 0884-10, CSA Component Acceptance Notice 5A, IEC 60950-1, IEC 61010-1, and CQC Certification per GB4943.1-2011.
- Long life with SiO2 isolation barrier.
- 50 kV/µs transient immunity.
Applications
The ISO7142CCDBQR is suitable for a variety of applications that require high-speed data isolation and robust noise immunity, including:
- Industrial control systems.
- Medical devices.
- Automotive systems.
- High-speed data acquisition systems.
- Power supplies and DC-DC converters.
- Safety-critical systems requiring galvanic isolation.
Q & A
- What is the maximum data rate of the ISO7142CCDBQR?
The maximum data rate is 50 Mbps with 5-V supplies and 40 Mbps with 3.3-V or 2.7-V supplies. - What is the isolation rating of the ISO7142CCDBQR?
The isolation rating is 2500 VRMS for 1 minute per UL 1577 and 4242 VPK per DIN V VDE V 0884-10. - What is the operating temperature range of the ISO7142CCDBQR?
The operating temperature range is -55°C to 125°C. - Does the ISO7142CCDBQR have integrated isolated power?
No, it does not have integrated isolated power. - What is the package type and size of the ISO7142CCDBQR?
The package type is SSOP (DBQ) with a size of 3.9 mm x 4.9 mm. - What are the typical propagation delays for the ISO7142CCDBQR?
The typical propagation delay is 21 ns. - What are the supply voltage ranges for the ISO7142CCDBQR?
The supply voltage ranges from 2.7 V to 5.5 V. - Is the ISO7142CCDBQR compliant with safety and regulatory standards?
Yes, it is compliant with UL 1577, DIN V VDE V 0884-10, CSA Component Acceptance Notice 5A, IEC 60950-1, IEC 61010-1, and CQC Certification per GB4943.1-2011. - What is the transient immunity of the ISO7142CCDBQR?
The transient immunity is 50 kV/µs. - What kind of noise immunity does the ISO7142CCDBQR offer?
The device has integrated noise filters to support noise-prone applications.
