CA-IS3980
High-performance octal channel digital isolator with 5kVrms isolation, 100Mbps data rate, and >100kV/μs CMTI for para...
Product Overview
Description
CA-IS3980 is a high-performance octal channel digital isolator featuring reinforced isolation rated at 5kVrms. The device provides eight independent isolation channels with data rates up to 100Mbps.
With excellent CMTI performance exceeding 100kV/μs, this isolator ensures reliable operation in noisy industrial environments. The octal configuration is ideal for parallel bus isolation.
The device operates from 2.5V to 5.5V supplies on both sides, supporting level translation between different voltage domains. Matched propagation delay ensures reliable parallel data transmission.
Product Series
CA
Primary Application
Parallel bus isolation
Key Features
- Reinforced isolation rated at 5kVrms
- Eight independent isolation channels
- High data rate up to 100Mbps
- Excellent CMTI >100kV/μs
- Matched propagation delay <2ns
- Wide supply range 2.5V to 5.5V
- Robust ESD protection >8kV HBM
- AEC-Q100 qualified (automotive grade)
Specifications
| Channels | 8 (all same direction) |
|---|---|
| Isolation Voltage | 5kVrms (reinforced) |
| Data Rate | Up to 100Mbps |
| CMTI | >100kV/μs (typical) |
| Propagation Delay | 15ns typical |
| Delay Matching | <2ns between channels |
| Supply Voltage | 2.5V to 5.5V (both sides) |
| Operating Temperature | -40°C to +125°C |
| Package | SOIC-20, QSOP-20 |
Applications
Parallel bus isolation
Electronic system design
Industrial automation
Industrial automation and control
Data acquisition systems
Data acquisition and conversion
Motor drive interfaces
Motor drive and control systems
Power supply control
Power conversion and supply
Communication systems
Communication and interface
Automotive electronics
Automotive and EV electronics
FAE Expert Insights
"CA-IS3980 is the go-to solution for parallel bus isolation applications. The 8 channels with matched delay make it perfect for isolating data buses and control signals. I've used this part in industrial control systems with excellent results. The channel-to-channel matching ensures reliable parallel data transmission without skew issues."
8-channel isolation with matched propagation delay
— Dr. Chen Wei, BeiLuo
Frequently Asked Questions
What applications benefit from CA-IS3980's 8 channels?
CA-IS3980 is ideal for parallel bus applications such as: 8-bit data bus isolation; Control signal isolation; GPIO expansion isolation; and Multi-sensor interfaces. The matched delay ensures reliable parallel data transmission.
Use CA-IS3980 for parallel buses requiring 5-8 channels.