The MAX22664/MAX22665 devices feature reinforced isolation with a withstand voltage rating of 5kVRMS for 60 seconds. Both automotive and general-purpose devices are rated for operation at ambient temperatures from -40°C to +125°C. Devices with /V suffix are AEC-Q100 qualified. See the ordering information for all automotive grade part numbers.
- Industrial
- Isolated SPI, RS-232/422/485, CAN, Digital I/O
- Fieldbus Communications
- Motor Control
- Medical Systems
These devices transfer digital signals between circuits with different power domains, using as little as 0.71mW per channel at 1Mbps (1.8V supply). The low-power feature reduces system dissipation, increases reliability, and enables compact designs.
Devices are available with a maximum data rate of either 25Mbps or 200Mbps and with default-high or default-low outputs. The devices feature low propagation delay and low clock jitter, reducing system latency.
Independent 1.71V to 5.5V supplies on each side also make the devices suitable for use as level translators. Three channels of the MAX22663 transmit digital signals in one direction, while the remaining three do in the opposite. The MAX22664 provides four channels for digital signal transmission, two of which travel in one direction and the other two in the opposite direction. The MAX22665 provides five channels for digital signal transmission in one direction and the other in the opposite direction. The MAX22666 features all six channels transmitting digital signals in one direction.
Key Features and Benefits
- AEC-Q100 Qualification for /V Devices
- Reinforced Galvanic Isolation for Digital Signals
- 16 Wide SOIC with 8mm Creepage and Clearance
- Withstands 5kVRMS for 60s (VISO)
- Continuously Withstands 848VRMS (VIOWM)
- Withstands ±12.8kV Surge between GNDA and GNDB with 1.2/50μs
- Waveform
- High CMTI (50kV/μs, typ)
- Low Power Consumption
- 0.71mW per Channel at 1Mbps with VDD = 1.8V
- 1.34mW per Channel at 1Mbps with VDD = 3.3V
- 3.21mW per Channel at 100Mbps with VDD = 1.8V
- Low Propagation Delay and Low Jitter
- Maximum Data Rate Up to 200Mbps
- Low Propagation Delay 7ns (typ) at VDD = 3.3V
- Clock Jitter RMS 11.1ps (typ)
- Safety Regulatory Approvals
- UL According to UL1577
- cUL According to CSA Bulletin 5A
- VDE 0884-11 Reinforced Insulation (Pending)
Applications
- Automotive
- Hybrid Electric Vehicle
- Chargers
- Battery Management System (BMS)
- Inverters
Evaluation Board
The MAX22664/MAX22665 can be evaluated with the MAX2256XAEVKIT#.
Block Diagrams and Tables
