MAX12931FASA+

MAX12931FASA+ is a 2-channel, 3kV/5KVRMS digital galvanic isolator. This device transfers digital signals between circuits with different power domains while using as little as 0.65mW per channel at 2Mbps with 1.8V. The two channels of the MAX12931 transfer data in opposite directions. Independent 1.71V to 5.5V supplies on each side of the isolator also make the devices suitable for use as level translators. It is approved by UL according to UL1577, cUL according to CSA bulletin 5A. It is used in applications such as fieldbus communications for industrial automation, isolated RS232, RS-485/RS-422, CAN, general isolation application, battery management, and medical systems.

• Robust galvanic isolation of digital signals, 5KVRMS isolation voltage
• 1/1 channel configuration, 25Mbps data rate, high default output
• Supply voltage range from 1.71V to 5.5V
• Supply current is 0.42mA typical at (1MHz square wave, CL = 0pF, VDDA = 5V)
• Input capacitance is 2pF typical at (IN-, fSW = 1MHz)
• Common-mode transient immunity is 50kV/µs typical at (IN- = GND- or VDD- )
• Glitch rejection is 17ns typical at (VDDA - VGNDA = 1.71V to 5.5V)
• Propagation delay is 23.9ns typical at (4.5V ≤ VDD ≤ 5.5V)
• Pulse width distortion is 0.4ns typical at (4.5V ≤ VDD ≤ 5.5V)
• Operating temperature range from -40°C to 125°C, 8-pin narrow SOIC package

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