ISO1541QDQ1 Information

ISO154x/-Q1 Low-Power Bidirectional Isolators

Texas Instruments ISO154x/ISO154x-Q1 low-power, bidirectional isolators are compatible with I²C interfaces. These TI devices have their logic input and output buffers separated by TI's Capacitive Isolation technology using a silicon dioxide (SiO2) barrier. When used in conjunction with isolated power supplies, IS0154x/ISO154x-Q1 block high voltages, isolate grounds, and prevent noise currents from entering the local ground and interfering with or damaging sensitive circuitry. This isolation technology provides for function, performance, size, and power consumption advantages when compared to opto-couplers. The ISO154x/ISO154x-Q1 enable a complete isolated I²C interface to be implemented within a small form factor. ISO1540/-Q1 has two isolated bidirectional channels for clock and data lines while ISO1541/-Q1 has a bidirectional data and a unidirectional clock channel. ISO1541/-Q1 is useful in applications that have a single master while ISO1540/-Q1 is ideally fit for multi-master applications. The ISO154x-Q1 devices are AEC-Q100 qualified for automotive applications.Learn More

Specifications

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Alternate Names

Texas Instruments has several brands around the world that may have alternate names for ISO1541QDQ1 due to regional differences or acquisition. ISO1541QDQ1 may also be known as the following names: