MAX22444CAWE+

MAX22444CAWE+ is a reinforced, fast, low-power, 4-channel digital galvanic isolator. This device transfers digital signals between circuits with different power domains, using as little as 0.74mW per channel at 1Mbps (1.8V supply). It features reinforced isolation for a withstand voltage rating of 5KVRMS for 60 seconds. It offers all possible unidirectional channel configurations to accommodate any 4-channel design, including SPI, RS-485, and digital I/O applications. It features independent 1.71V to 5.5V supplies on each side of the isolator also make the device suitable for use as level translators. It is approved by UL according to UL1577, cUL according to CSA bulletin 5A, VDE 0884-11 reinforced isolation. It is used in applications such as isolated SPI interface, fieldbus communications for industrial automation, isolated RS-485/RS-422, CAN, battery management, medical systems.

• Up to 200Mbps maximum data rate, 5KVRMS isolation voltage
• Continuously withstands 1500VRMS (VIOWM)
• Withstands ±10kV surge between GNDA and GNDB with 1.2/50μs waveform
• 3 direction configurations, active-high or active-low enable inputs
• VDDA supply voltage range from 1.71V to 5.5V, active high ENA polarity
• Common-mode transient immunity is 50kV/µs typical at (VDDA - VGNDA = 1.71V to 5.5V)
• Propagation delay is 5.7ns typical at (4.5V ≤ VDD- ≤ 5.5V)
• Pulse width distortion is 0.4ns typical at (4.5V ≤ VDD ≤ 5.5V)
• 4/0 channel configuration, 200Mbps data rate, default high output
• Operating temperature range from -40°C to +125°C, 16 wide SOIC package

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