REF3430IDBVR

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REF3430IDBVR is a voltage reference IC from Texas Instruments, based on the bandgap voltage reference architecture. It offers both high accuracy and a low equivalent series resistance. This is particularly useful for applications where a precise, low voltage reference is needed.

The main function of an IC such as the REF3430IDBVR is to ensure a precise and consistent output voltage over a wide range of temperatures, and to maintain accuracy when presented with different input voltages. The main application fields of this voltage reference IC are within linear power management solutions and systems requiring an accurate reference voltage, such as analog-to-digital converters, digital-to-analog converters, regulators, or any application which requires an ultra-precise voltage reference.

The REF3430IDBVR is based on the Bandgap Voltage Reference concept, using a transistor’s “bandgap” voltage as a reference voltage. This voltage is more accurate and stable than the normal 0.6V that is generated from a Zener diode. This is possible due to the integrated temperature sensor, which compensates the reference voltage for temperature variations. The bandgap voltage is further amplified and regulated by an internal voltage reference amplifier, which results in an ultra-precise output voltage.

The REF3430IDBVR Voltage Reference IC is available in both PDIP and SOIC packages and operates over a -40 to +85 °C temperature range. It features an input voltage range of 4.5V to 10V, with an output voltage of 2.5V at +25°C. The device also has a low equivalent series resistance of only 2 Ω and a low drop-out voltage of 0.2V at 2.5V. It also has a low output temperature coefficient of 15 ppm/°C.

The inherent advantages of the REF3430IDBVR voltage reference IC make it a viable choice for precision power management and other applications which require a stable and accurate low voltage reference. Its low ESR, temperature coefficient and drop-out voltage make it a reliable, robust and cost-effective choice for almost any voltage reference, analog to digital converter, or linear power management application.

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