Overview
The ISO7841DWW, produced by Texas Instruments, is a high-performance, quad-channel digital isolator designed to provide robust isolation and reliable data transfer in various industrial and medical applications. This device features a 8000VPK isolation voltage and is certified with reinforced isolation according to VDE, CSA, CQC, and TUV standards. It operates over a wide supply range of 2.25V to 5.5V and supports signaling rates up to 100Mbps. The ISO7841DWW is available in a 16-pin extra-wide body (DWW) SOIC package, enhancing electromagnetic compatibility and reducing power consumption.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC1, VCC2) | 2.25 | - | 5.5 | V |
| Signaling Rate | 0 | - | 100 | Mbps |
| Junction Temperature (TJ) | -55 | - | 150 | °C |
| Ambient Temperature (TA) | -55 | - | 125 | °C |
| High-Level Output Current (IOH) at VCCO = 5V | -4 | - | - | mA |
| Low-Level Output Current (IOL) at VCCO = 5V | 4 | - | - | mA |
| High-Level Input Voltage (VIH) | 0.7 × VCCI | - | VCCI | V |
| Low-Level Input Voltage (VIL) | 0 | - | 0.3 × VCCI | V |
| Isolation Voltage | - | - | 8000VPK | V |
Key Features
- High-performance, quad-channel digital isolator with 8000VPK isolation voltage.
- Wide supply range: 2.25V to 5.5V.
- Signaling rate up to 100Mbps.
- Wide temperature range: –55°C to 125°C.
- Reinforced isolation certifications according to VDE, CSA, CQC, and TUV.
- High electromagnetic immunity and low emissions.
- Low power consumption.
- Enable pins for high impedance output and multi-controller driving applications.
- Available in 16-pin extra-wide body (DWW) SOIC package.
Applications
- Industrial Automation
- Motor Control
- Power Supplies
- Solar Inverters
- Medical Equipment
- Hybrid Electric Vehicles
Q & A
- What is the isolation voltage of the ISO7841DWW?
The ISO7841DWW has an isolation voltage of 8000VPK.
- What is the signaling rate of the ISO7841DWW?
The signaling rate of the ISO7841DWW is up to 100Mbps.
- What is the operating temperature range of the ISO7841DWW?
The operating temperature range is –55°C to 125°C.
- What certifications does the ISO7841DWW have?
The ISO7841DWW has reinforced isolation certifications according to VDE, CSA, CQC, and TUV.
- What package types are available for the ISO7841DWW?
The ISO7841DWW is available in a 16-pin extra-wide body (DWW) SOIC package.
- What is the purpose of the enable pins on the ISO7841DWW?
The enable pins can be used to put the respective outputs in high impedance for multi-controller driving applications and to reduce power consumption.
- How does the ISO7841DWW enhance electromagnetic compatibility?
The ISO7841DWW enhances electromagnetic compatibility through innovative chip design and layout techniques, reducing ESD, EFT, surge, and emissions.
- What are the typical applications of the ISO7841DWW?
Typical applications include Industrial Automation, Motor Control, Power Supplies, Solar Inverters, Medical Equipment, and Hybrid Electric Vehicles.
- What is the maximum supply voltage for the ISO7841DWW?
The maximum supply voltage is 5.5V.
- How does the ISO7841DWW protect against noise currents?
The device helps prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry.
