Overview
The ISO7841FDWWR is a high-performance, quad-channel digital isolator produced by Texas Instruments. This device is designed to provide robust isolation and high electromagnetic immunity, making it suitable for a wide range of applications that require reliable and secure data transmission. The ISO7841FDWWR features a 8000VPK isolation voltage and is certified for reinforced isolation according to various standards including VDE, CSA, CQC, and TUV. It operates over a wide temperature range of –55°C to 125°C and supports signaling rates up to 100Mbps. The device is available in 16-pin SOIC wide-body (DWW) packages, enhancing its suitability for diverse industrial and medical applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (DWW) | - |
| Pins | 16 | - |
| Operating Temperature Range | –55 to 125 | °C |
| Signaling Rate | Up to 100 | Mbps |
| Supply Voltage Range | 2.25 to 5.5 | V |
| Level Translation | 2.25V to 5.5V | - |
| Propagation Delay (Typical at 5V Supplies) | 11ns | - |
| Isolation Voltage | 8000VPK | - |
| CMTI (Minimum) | ±100kV/µs | - |
| Power Consumption (Typical per Channel at 1Mbps) | 1.7mA | - |
Key Features
- High-performance, quad-channel digital isolator with 8000VPK isolation voltage.
- Wide supply range: 2.25V to 5.5V and level translation between these voltages.
- Low-power consumption, with typical 1.7mA per channel at 1Mbps.
- Low propagation delay of 11ns typical at 5V supplies.
- Industry-leading CMTI (Common Mode Transient Immunity) of ±100kV/µs.
- Robust electromagnetic compatibility (EMC) and low emissions.
- System-level ESD, EFT, and surge immunity.
- Enable pins for high impedance output and reduced power consumption.
- Three forward and one reverse-direction channels.
- Default output high for ISO7841 and low for ISO7841F if input power or signal is lost.
- Available in 16-pin SOIC wide-body (DW) and extra-wide body (DWW) packages.
Applications
- Industrial Automation
- Motor Control
- Power Supplies
- Solar Inverters
- Medical Equipment
- Hybrid Electric Vehicles
Q & A
- What is the isolation voltage of the ISO7841FDWWR?
The isolation voltage of the ISO7841FDWWR is 8000VPK.
- What is the signaling rate of the ISO7841FDWWR?
The signaling rate of the ISO7841FDWWR is up to 100Mbps).
- What is the operating temperature range of the ISO7841FDWWR?
The operating temperature range of the ISO7841FDWWR is –55°C to 125°C).
- What are the supply voltage ranges for the ISO7841FDWWR?
The supply voltage range for the ISO7841FDWWR is 2.25V to 5.5V).
- What is the typical power consumption per channel at 1Mbps for the ISO7841FDWWR?
The typical power consumption per channel at 1Mbps for the ISO7841FDWWR is 1.7mA).
- What is the propagation delay of the ISO7841FDWWR at 5V supplies?
The propagation delay of the ISO7841FDWWR at 5V supplies is 11ns typical).
- What are the certifications for the ISO7841FDWWR?
The ISO7841FDWWR has reinforced isolation certifications according to VDE, CSA, CQC, and TUV).
- What are the package options for the ISO7841FDWWR?
The ISO7841FDWWR is available in 16-pin SOIC wide-body (DW) and extra-wide body (DWW) packages).
- How does the ISO7841FDWWR handle input power or signal loss?
If the input power or signal is lost, the default output is high for the ISO7841 device and low for the ISO7841F device).
- What are some common applications of the ISO7841FDWWR?
The ISO7841FDWWR is used in industrial automation, motor control, power supplies, solar inverters, medical equipment, and hybrid electric vehicles).
