ISO7742FDBQR – TEXAS INSTRUMENTS
General Purpose Digital Isolator 2500Vrms 4 Channel 100Mbps 85kV/µs CMTI 16-SSOP (0.154″, 3.90mm Width)
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The Texas Instruments ISO7742FDBQR is a quad-channel digital isolator employing iCoupler® technology. This device provides 5kVrms isolation voltage, crucial for robust galvanic isolation in high-noise industrial environments. Each channel features a 30Mbps data rate, supporting bidirectional communication. The device operates from a wide supply voltage range of 2.7V to 5.5V, offering flexibility in system design. It’s packaged in a compact 16-pin SOIC (Small Outline Integrated Circuit) with a width of 3.9mm, facilitating high-density PCB layouts._x000D_
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The ISO7742FDBQR excels in applications requiring high-speed data transfer across isolated domains, such as motor control systems, industrial automation, and medical equipment. Its inherent low propagation delay and high common-mode transient immunity minimize latency and improve signal integrity. Unlike optocouplers, it offers superior bandwidth and eliminates the need for external circuitry for level shifting, simplifying design and reducing component count. The inherent robustness of iCoupler® technology ensures reliable operation even under harsh environmental conditions, making it a suitable choice for demanding applications where reliability and safety are paramount. Its low power consumption further enhances its suitability for battery-powered systems.
