ADUM241E1BRIZ

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Digital isolators are electronic components used to electrically isolate signals and circuits for communication, power, and other applications. A variety of digital isolators are available, including the ADUM241E1BRIZ series, which provide an integrated, yet isolable, optocoupler solution for applications requiring energy-efficient signal isolation.

The ADUM241E1BRIZ is designed for applications with high insulation requirements and improved robustness over conventional solutions. It is also designed to offer a high ESD protection level, low power consumption, and small package size. This digital isolator offers outstanding performance in terms of signal quality, isolation, and noise attenuation.

The ADUM241E1BRIZ digital isolator is available in a ultra-small quad flat no lead (QFN) package, and is ideal for applications requiring a more reliable, cost-effective, and versatile signal-isolation solution. Typical applications for the ADUM241E1BRIZ include industrial automation, test and measurement, instrumentation, medical, avionics, and automotive.

The digital isolator is composed of two primary silicon components: a photoreceiver and a transimpedance amplifier. The photoreceiver is an optocoupler that works by using light to transfer signals between two circuits. The output of the photoreceiver couples with the input of a high-speed transimpedance amplifier, which is responsible for amplifying the signal from the photoreceiver to the desired voltage level. This combination allows for the isolated input signal to be amplified, while keeping the two circuits electrically isolated.

The ADUM241E1BRIZ digital isolator also includes integrated protection circuitry to ensure reliable operation under a variety of signal and noise conditions. The device is protected from many types of noise, including cable-induced electrical noise, RF noise, common-mode surges, and ESD. Additionally, the integrated EMC filtering provides a high level of noise immunity.

The ADUM241E1BRIZ digital isolator features a wide range of operating parameters, including a -40°C to +85°C temperature range, 3.3V to 5V supply voltage range, and 15KV/μs minimum common-mode transient immunity. Additionally, the device features a low 0.75pF input to output capacitance, enabling it to transmit high-level signals without distortion. With its low power consumption of <1mW, the ADUM241E1BRIZ allows for extended battery life in portable and mobile applications.

The ADUM241E1BRIZ Series digital isolator is an excellent choice for a wide range of applications requiring reliable and energy-efficient signal isolation. Its ultra-small QFN package, low power consumption, and wide operating parameter range make it an ideal solution for many industries, including industrial automation, test and measurement, instrumentation, medical, avionics, and automotive.

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