Overview
The ISO7841DWWR is a high-performance, quad-channel digital isolator produced by Texas Instruments. This device is designed to provide robust isolation between different parts of a system, ensuring high electromagnetic immunity and low emissions while maintaining low power consumption. The ISO7841DWWR features a 8000VPK isolation voltage and is certified with reinforced isolation according to various standards such as VDE, CSA, CQC, and TUV. It is particularly useful in applications requiring high reliability and safety, such as industrial automation, medical equipment, and hybrid electric vehicles.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Signaling Rate | Up to 100 | Mbps |
| Supply Voltage Range | 2.25 to 5.5 | V |
| Temperature Range | –55 to 125 | °C |
| Isolation Voltage | 8000 | VPK |
| Package Type | 16-pin SOIC wide-body (DW) and extra-wide body (DWW) | |
| Package Size (DW) | 10.30mm × 10.30mm | |
| Package Size (DWW) | 10.30mm × 17.25mm | |
| Junction-to-Ambient Thermal Resistance (RθJA) | 78.9 | °C/W |
| High-Level Output Current (VCCO = 5V) | -4 | mA |
| Low-Level Output Current (VCCO = 5V) | 4 | mA |
| High-Level Input Voltage | 0.7 × VCCI | V |
| Low-Level Input Voltage | 0 to 0.3 × VCCI | V |
Key Features
- High-performance quad-channel digital isolator with 8000VPK isolation voltage.
- Wide supply voltage range: 2.25V to 5.5V.
- Wide temperature range: –55°C to 125°C.
- Enable pins for high impedance output and reduced power consumption.
- Three forward and one reverse-direction channels.
- High electromagnetic immunity and low emissions.
- Reinforced isolation certifications according to VDE, CSA, CQC, and TUV.
- Compliance with safety standards such as EN 61010-1 and EN 62368-1.
Applications
- Industrial Automation
- Motor Control
- Power Supplies
- Solar Inverters
- Medical Equipment
- Hybrid Electric Vehicles
Q & A
- What is the maximum isolation voltage of the ISO7841DWWR?
The maximum isolation voltage is 8000VPK.
- What are the supported supply voltage ranges for the ISO7841DWWR?
The device supports a supply voltage range of 2.25V to 5.5V.
- What are the temperature operating ranges for the ISO7841DWWR?
The device operates within a temperature range of –55°C to 125°C.
- What types of packages are available for the ISO7841DWWR?
The device is available in 16-pin SOIC wide-body (DW) and extra-wide body (DWW) packages.
- What is the significance of the enable pins on the ISO7841DWWR?
The enable pins can be used to put the respective outputs in high impedance, which is useful for multi-controller driving applications and reducing power consumption.
- What safety certifications does the ISO7841DWWR hold?
The device holds reinforced isolation certifications according to VDE, CSA, CQC, and TUV, and complies with safety standards such as EN 61010-1 and EN 62368-1.
- What are some common applications for the ISO7841DWWR?
Common applications include industrial automation, motor control, power supplies, solar inverters, medical equipment, and hybrid electric vehicles.
- How does the ISO7841DWWR enhance electromagnetic compatibility?
The device has been designed with innovative chip and layout techniques to significantly enhance electromagnetic compatibility, easing system-level ESD, EFT, surge, and emissions compliance.
- What is the junction-to-ambient thermal resistance of the ISO7841DWWR?
The junction-to-ambient thermal resistance (RθJA) is 78.9°C/W.
- What are the high-level and low-level output current specifications for the ISO7841DWWR at 5V supply?
The high-level output current is -4mA, and the low-level output current is 4mA at VCCO = 5V.
