AP432QL-7

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PMIC (power management integrated circuits) is a class of transistor-level digital circuit designs that are integrated onto a single chip. Voltage references, such as the AP432QL-7, are a type of PMIC that provide a stable output with respect to an external voltage reference source. As such, they are commonly used in contemporary electronics designs due to their low noise, low drift, and stability of output across ambient temperature changes.

The AP432QL-7 is a voltage reference that is suitable for use in a wide range of analog, digital and mixed signal applications. It features a low quiescent current of 2.5µA and a wide output voltage range of 1.20V to 5.30V, with a typical temperature coefficient of 50ppm/°C. The input/output offset voltage is typically 3.2mV, making it a highly accurate component for precision circuits. It also has a fast rise/fall time of 4ns and can supply up to 20mA of output current. Additionally, it provides excellent low-noise PSRR, a ground pin for bypassing, and an enable pin for configuring logic. The AP432QL-7 is a mature, cost-effective solution for power applications requiring low power and accurate regulation of output voltage.

The AP432QL-7 is designed to be used in power supply designs, as well as other applications benefiting from a precision voltage reference. These applications include, but are not limited to, data converters, battery-powered systems, current sensing, signal conditioning, and low-power regulators. It can also be used to generate a voltage reference signal in oscillator-based circuits, and to set the reference level of op-amps and comparators used as threshold detectors.

The AP432QL-7’s performance is well-suited for Precision Measurement Instrumentation, where accuracy and repeatability are paramount. Its features enable enhanced accuracy with small size, low power consumption and low noise operation. This makes it suitable for a variety of test devices, such as digital multimeters, medical instrumentation, and industrial controllers.

The AP432QL-7’s working principle is simple. It uses a Vin-Ref voltage reference to reference its output voltage, providing a stable output with respect to the reference voltage. This voltage reference is supplied from its own internal reference source, meaning that the internal reference voltage supply can be used to compare against its own output and generate a highly accurate output voltage. In addition to its input/output voltage comparison function, it provides a disable pin for configuring logic and a ground pin for bypassing. The AP432QL-7’s architecture is based on a homogenous voltage reference circuit, making it a high performing, cost-effective voltage reference solution.

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