Overview
The ISO7631FCDW is a low-power, triple-channel digital isolator manufactured by Texas Instruments. This device is designed to provide electrical isolation between input and output signals, preventing noise currents and ground loops from interfering with or damaging sensitive circuitry. It operates with TTL input thresholds and can be powered from 2.7-V, 3.3-V, or 5-V supplies, with all inputs being 5-V tolerant when supplied from 3.3-V or 2.7-V supplies.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 3 | |
| Maximum Data Rate | 25 Mbps | |
| Supply Voltage (VCC1 and VCC2) | 2.7 V, 3.3 V, 5 V | V |
| Input Threshold Voltage Hysteresis | 350 mV | mV |
| High-Level Output Voltage (VCC1 = 3.3 V, IOH = -4 mA) | 2.9 - 3 V | V |
| Low-Level Output Voltage (VCC1 = 3.3 V, IOL = 4 mA) | 0.2 - 0.4 V | V |
| Common-Mode Transient Immunity | 25 kV/μs | kV/μs |
| Package Type | SOIC (16-pin) | |
| Body Size | 10.30 mm × 7.50 mm | mm |
Key Features
- Electrical Isolation: Provides isolation between input and output signals using a silicon dioxide (SiO2) insulation barrier.
- Low Power Consumption: Designed for low power operation, making it suitable for energy-efficient applications.
- High-Speed Data Transfer: Supports data rates up to 25 Mbps.
- Multi-Voltage Operation: Can operate from 2.7-V, 3.3-V, or 5-V supplies with 5-V tolerant inputs.
- Common-Mode Transient Immunity: Offers high immunity to common-mode transients, ensuring robust performance in noisy environments.
Applications
- Industrial Automation: Used in control systems, sensors, and actuators to prevent ground loops and noise interference.
- Medical Devices: Ensures safety and reliability in medical equipment by isolating sensitive circuits from noisy environments.
- Automotive Systems: Applied in automotive electronics to protect against electrical noise and transients.
- Telecommunications: Used in telecommunications equipment to isolate data lines and prevent interference.
Q & A
- What is the primary function of the ISO7631FCDW?
The primary function of the ISO7631FCDW is to provide electrical isolation between input and output signals, preventing noise currents and ground loops from interfering with or damaging sensitive circuitry.
- What are the supported supply voltages for the ISO7631FCDW?
The ISO7631FCDW can operate from 2.7-V, 3.3-V, or 5-V supplies.
- What is the maximum data rate supported by the ISO7631FCDW?
The maximum data rate supported by the ISO7631FCDW is 25 Mbps.
- What type of package does the ISO7631FCDW come in?
The ISO7631FCDW comes in a 16-pin SOIC package.
- What is the common-mode transient immunity of the ISO7631FCDW?
The common-mode transient immunity of the ISO7631FCDW is 25 kV/μs.
- Is the ISO7631FCDW suitable for high-speed applications?
Yes, the ISO7631FCDW is suitable for high-speed applications with data rates up to 25 Mbps.
- Can the ISO7631FCDW be used in medical devices?
Yes, the ISO7631FCDW can be used in medical devices to ensure safety and reliability by isolating sensitive circuits from noisy environments.
- What is the body size of the ISO7631FCDW package?
The body size of the ISO7631FCDW package is 10.30 mm × 7.50 mm.
- Are the inputs of the ISO7631FCDW 5-V tolerant?
Yes, the inputs of the ISO7631FCDW are 5-V tolerant when supplied from 3.3-V or 2.7-V supplies.
- What is the input threshold voltage hysteresis of the ISO7631FCDW?
The input threshold voltage hysteresis of the ISO7631FCDW is 350 mV.
