Overview
The ISO7141FCCDBQ is a digital isolator produced by Texas Instruments, designed to provide high-speed data isolation in various industrial and communication applications. This component is part of the ISO7141 series, known for its low power consumption and high data rate capabilities. The ISO7141FCCDBQ is particularly useful in environments where noise and electrical isolation are critical concerns.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC1, VCC2) | 2.7 to 5.5 | V |
| Signaling Rate | Up to 50 Mbps (with 5-V supplies), Up to 40 Mbps (with 3.3-V or 2.7-V supplies) | Mbps |
| Propagation Delay | 23 ns (typical at 3.3-V supplies) | ns |
| Ambient Temperature Range | -40 to 125 | °C |
| Junction Temperature Range | -40 to 136 | °C |
| High-Level Output Current (VCC ≥ 3.0 V) | -4 | mA |
| Low-Level Output Current | 4 | mA |
| Input Threshold Voltage Hysteresis | 350 mV | mV |
| Transient Immunity | 50 kV/μs (typical) | kV/μs |
Key Features
- High-Speed Data Isolation: Supports data rates up to 50 Mbps with 5-V supplies and up to 40 Mbps with 3.3-V or 2.7-V supplies.
- Low Power Consumption: Low supply current, making it suitable for power-sensitive applications.
- Wide Temperature Range: Operates from -40°C to 125°C, ensuring reliability in diverse environments.
- High Transient Immunity: Offers 50 kV/μs transient immunity, protecting against electrical noise and surges.
- Integrated Filters: Includes input filters for noise-prone applications, enhancing signal integrity.
- Silicon Dioxide (SiO2) Insulation Barrier: Provides robust electrical isolation between input and output channels.
Applications
- Industrial Fieldbus: Suitable for Profibus, Modbus, DeviceNet, and other industrial communication protocols.
- Serial Interfaces: Used in RS-232, RS-485, and Serial Peripheral Interface (SPI) applications.
- General-Purpose Isolation: Ideal for isolating data in various industrial and medical devices.
- Automotive and Aerospace: Can be used in automotive and aerospace applications where high reliability and isolation are required.
Q & A
- What is the maximum data rate of the ISO7141FCCDBQ?
The ISO7141FCCDBQ supports data rates up to 50 Mbps with 5-V supplies and up to 40 Mbps with 3.3-V or 2.7-V supplies. - What is the operating temperature range of the ISO7141FCCDBQ?
The component operates from -40°C to 125°C. - What is the typical propagation delay of the ISO7141FCCDBQ?
The typical propagation delay is 23 ns at 3.3-V supplies. - Does the ISO7141FCCDBQ have integrated filters?
Yes, it includes input filters for noise-prone applications. - What is the transient immunity of the ISO7141FCCDBQ?
The component offers 50 kV/μs transient immunity. - What are the common applications of the ISO7141FCCDBQ?
It is commonly used in industrial fieldbus, serial interfaces, general-purpose isolation, and in automotive and aerospace applications. - What is the supply voltage range for the ISO7141FCCDBQ?
The supply voltage range is from 2.7 V to 5.5 V. - How many channels does the ISO7141FCCDBQ have?
The ISO7141FCCDBQ has three forward and one reverse-direction channel. - Is the ISO7141FCCDBQ certified for specific standards?
Yes, it has CQC certification per GB 4943.1-2011 and GB 8898:2011. - What is the junction temperature range of the ISO7141FCCDBQ?
The junction temperature range is from -40°C to 136°C.
