AN431BN-ATRG1 Integrated Circuits (ICs)

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The AN431BN-ATRG1 is a high performance, metal-based voltage reference from Infineon Technologies AG. It offers precise and stable voltage references on small-sized applications and offers a wide range of supply voltages from 1.2V to 5.25V, requiring no external compensation. It is packaged in a standard 8-pin, TO-246 package, making it suitable for high-density designs. It features an on-chip temperature coefficient and temperature sensor for high accuracy temperature stabilization, as well as a high accuracy, low power reference current for use in applications that require wide temperature ranges.

The AN431BN-ATRG1 belongs to the PMIC - Voltage Reference class of integrated circuits. It is designed to provide precise, high-accuracy and stable voltages to various applications, such as digital-to-analog converters, power supplies, and data acquisition systems. It is highly reliable and cost-effective and is particularly suitable for small size and large volume applications. The typical dropout voltage of the AN431BN-ATRG1 is only 10mV at full load, with resolution of 0.1V, enabling it to be used for ultra-low power applications such as battery-based systems. The maximum reference voltage is 9V.

The AN431BN-ATRG1 is based on a metal-based voltage reference architecture from Infineon Technologies. This architecture offers excellent temperature stability and allows the reference voltage to be adjusted over a wide range by bias current. The architecture includes an N-Channel MOSFET and an internal ESD protection circuit. An on-chip temperature sensor provides feedback for temperature compensation, and a high-accuracy reference current is provided for use in applications requiring wide temperature ranges.

The AN431BN-ATRG1 is designed to operate at very low power. It consumes only 40µA, allowing it to be used in low power applications. Its on-chip ESD protection circuit, coupled with an internal voltage divider and an internal current limiter, ensures reliable operation in harsh environmental conditions. Its operating temperature range of -40°C to +125°C make it suitable for automotive and industrial applications.

In addition, the AN431BN-ATRG1 is designed to be highly accurate and stable, with a low maximum drift of 0.1mV/V/°C. The reference is also immune from noise, as its ESD protection circuit and internal voltage dividers ensure that it is not affected by external noise sources. In addition, it features an optional short-circuit protection, as well as a reverse battery protection.

The AN431BN-ATRG1 is an excellent choice for applications where precision, stability, and reliability are of paramount importance. Its wide range of supply voltages, its accurate and stable accuracy, and its low power consumption make it an ideal choice for data logging systems and power supplies, as well as for battery-based applications. Its high immunity to noise, wide temperature range, and optional short-circuit and reverse battery protection make it suitable for automotive, industrial and consumer applications. This makes it an ideal fit for any application that requires precise, high-accuracy and stable voltages over a wide temperature range.

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