MAX14937 Datasheet | Maxim Integrated

Click here for production status of specific part numbers. EVALUATION KIT AVAILABLE Two Channel, 5k VRMS I2C Isolator General Description The MAX14937 is a two-channel, 5k VRMS I2C digital isolator utilizing Maxim’s proprietary process technology. For applications requiring 2.75k VRMS of isolation, see the MAX14933 data sheet. The device transfers digital signals between circuits with different power domains at ambient temperatures up to +125°C. The device offers two bidirectional, open-drain channels for applications, such as I2C, that require data to be transmitted in both directions on the same line. To prevent latchup action, the A-side outputs prise special buffers that regulate the logic-low voltage at 0.9V (max), and the input logic-low threshold is at least 50m V lower than the output logic-low voltage. The B side Features conventional buffers that do not regulate logic-low output voltage. The device Features independent 2.25V to 5.5V supplies on each side of the isolator. The MAX14937 operates from DC to 1.7MHz and can be used in isolated I2C busses with clock stretching. The MAX14937 is available in a 16-pin, wide-body (10.3mm x 7.5mm) SOIC package, and is rated for operation at ambient temperatures of -40°C to +125°C. Applications - - I2C, SMBus, PMBus™ Interfaces - - Power Supplies - - Battery Management - - Instrumentation Benefits and Features - - Robust Galvanic Isolation of Digital Signals - Withstands 5k VRMS for 60s (VISO) - Continuously Withstands 848VRMS (VIOWM) - 1200VPEAK Repetitive Peak Voltage (VIORM) - Withstands ±10k V Surge per IEC 61000-4-5 - - Interfaces Directly with Most Micros and FPGAs - Accepts 2.25V to 5.5V Supplies - Bidirectional Data Transfer from DC to 1.7MHz - - Low Power Consumption - 5.3m A per Channel Typical at 1.7MHz Safety Regulatory Approvals (See Safety Regulatory Approvals) - UL According to UL1577 - c UL According to CSA Bulletin 5A - VDE 0884-10 Ordering Information appears at end of data...