Two-channel I2C Digital Isolators that allow interfacing to low-voltage (2.5V) devices.
MAX14933 and MAX14937 are two-channel I2C digital isolator rated for 2.75kVRMS (MAX14933) and 5kVRMS (MAX14937) isolation strength utilizing Maxim’s proprietary process technology. The device transfers digital signals between circuits with different power domains at ambient temperatures up to +125°C.
Benefits and Features:
Robust Galvanic Isolation of Digital Signals (MAX14993/MAX14937 ratings):
Withstands 2.75kVRMS / 5kVRMS for 60s
Continuously withstands 443VRMS / 886VRMS
Repetitive peak voltage 630VPEAK / 1200VPEAK
Withstands 10 kV Surge per IEC 61000-4-5.
Interfacing directly with most MCUs and FPGAs:
Accepts 2.25V to 5.5V supplies
Bidirectional data transfer from DC to 1.7 MHz.
Low Power Consumption
5.3 mA/ch at 1.7MHz.
Safety Regulatory Approvals:
UL1577
CSA Bulletin 5A
VDE 0884-10.
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