Analog Devices / Maxim Integrated MAX2234x 4-Channel Digital Galvanic Isolators
Analog Devices MAX2234x 4-Channel Digital Galvanic Isolators transfer digital signals between circuits with different power domains. The MAX2234x isolators use as little as 0.74mW per channel at 1Mbps (1.8V supply). These isolators feature reinforced isolation for a withstand voltage rating of 3.75kVRMS for 60 seconds. The Analog Devices MAX2234x isolators offer all possible unidirectional channel configurations to accommodate any 4-channel design. These include SPI, RS-485, and digital I/O applications.
Features
- Reinforced galvanic isolation for fast digital signals
- Up to 200Mbps maximum data rate
- Withstands 3.75kVRMS for 60s (VISO)
- Continuously withstands 784VRMS (VIOWM)
- Withstands ±10kV surge between GNDA and GNDB with 1.2/50μs waveform
- High CMTI (50kV/μs, typical)
- Low power consumption
- 0.74mW per channel at 1Mbps with VDD = 1.8V
- 1.4mW per channel at 1Mbps with VDD = 3.3V
- 3.2mW per channel at 100Mbps with VDD = 1.8V
- Options to support a broad range of applications
- Two maximum data rates (200Mbps, 25Mbps)
- Three direction configurations
- Active-high or active-low enable inputs
- Pin-selectable output default states (high/low)
Applications
- Isolated SPI interface
- Fieldbus communications for industrial automation
- Isolated RS-485/RS-422, CAN
- Battery management
- Medical systems
Additional Resources
發佈日期: 2018-11-28
| 更新日期: 2023-04-24