Overview
The ISO7842DWWR from 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 reinforced isolation voltage of 8000 VPK, ensuring high electromagnetic immunity and low emissions while maintaining low power consumption. The ISO7842DWWR is part of the ISO7842 family, which is known for its wide supply range, high signaling rates, and comprehensive safety certifications.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Signaling Rate | - | - | 100 | Mbps |
| Supply Voltage Range | 2.25 | - | 5.5 | V |
| Isolation Voltage | - | - | 8000 | VPK |
| Operating Temperature Range | -55 | - | 125 | °C |
| Maximum Power Dissipation | - | - | 200 | mW |
| Supply Current (Disable) | 1 | 1.5 | 3.4 | mA |
| Supply Current (All Channels Switching at 100 Mbps) | 3.3 | - | 4.5 | mA |
Key Features
- High-performance quad-channel digital isolator with up to 100 Mbps signaling rate
- Wide supply voltage range: 2.25V to 5.5V with level translation capability
- Reinforced isolation with 8000 VPK isolation voltage and compliance with VDE, CSA, CQC, and TUV certifications
- Low power consumption and high electromagnetic immunity
- Wide operating temperature range: –55°C to +125°C
Applications
- Industrial Automation
- Motor Control
- Power Supplies
- Solar Inverters
- Medical Equipment
- Hybrid Electric Vehicles
Q & A
- What is the maximum signaling rate of the ISO7842DWWR?
The maximum signaling rate is up to 100 Mbps. - What is the supply voltage range for the ISO7842DWWR?
The supply voltage range is from 2.25V to 5.5V. - What is the isolation voltage of the ISO7842DWWR?
The isolation voltage is 8000 VPK. - What are the operating temperature limits for the ISO7842DWWR?
The operating temperature range is from –55°C to +125°C. - What are the key safety certifications for the ISO7842DWWR?
The device complies with VDE, CSA, CQC, and TUV certifications. - What are some typical applications for the ISO7842DWWR?
Typical applications include industrial automation, motor control, power supplies, solar inverters, medical equipment, and hybrid electric vehicles. - How much power does the ISO7842DWWR consume?
The maximum power dissipation is 200 mW, and supply current varies depending on the operating conditions but is typically around 3.3 to 4.5 mA at 100 Mbps. - What is the package type of the ISO7842DWWR?
The package type is a 16-pin SOIC. - Does the ISO7842DWWR support level translation?
Yes, it supports level translation between 2.25V and 5.5V. - What is the maximum safety temperature for the ISO7842DWWR?
The maximum safety temperature is 150°C.
