The ISO7741DBQR is a Robust EMC, quad-channel, 3/1, reinforced digital isolator 16-SSOP -55 to 125 manufactured by Texas Instruments. It helps protect sensitive circuitry by isolating voltages and signals across both the primary and secondary sides of electrical systems. The four isolated channels feature wide 3/1, reinforced channel to channel isolation, providing up to 7kV of reliable isolation capability. With an operating temperature range of -55° to 125°C, the ISO7741DBQR is designed to provide high-performance and reliable protection in a variety of industrial and communication applications. It features industry-leading low power consumption, minimal turn-on and turn-off delays, and a wide VCC to IOH power supply range to match changes in a variety of system conditions.