LT1019AIS8-2.5#PBF

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The Power Management Integrated Circuit (PMIC) voltage reference LT1019AIS8-2.5#PBF (LT1019) is a popular device for maintaining a constant voltage in circuit applications when faced with noisy or varying conditions. By providing an internal reference voltage, LT1019 enables accurate regulation even when faced with noisy input or output signals.

The LT1019 reference voltage can be either adjustable or fixed. The adjustable version features adjustable voltage from 1.5V to 36V with a maximum reference output current of 50mA and an adjustable range of 1.25 to 2.5V in 3 fixed output currents, 8mA, 10mA, and 15mA. The fixed version is available in 1.25, 1.8, 2.35, and 6V references. The capacitor-based noise rejection filter built into the LT1019 can filter out much of the noise on the input, allowing the output to remain stable and consistent.

The LT1019 is most commonly used in a variety of linear regulator applications because of its ability to reduce voltage noise and ripple. LT1019 can also be used in any application that requires the establishment of an accurate and stable reference voltage. For example, the LT1019 can be used in digital to analog converters, isolated high voltage power supplies, temperature control systems, and many other situations that require dependable and precise voltages.

The LT1019 also has very low power consumption of only 1mA and very low output bias current of only 0.1mA. This makes it suitable for use with low power circuits. The LT1019 also has very high stability and accuracy, with a temperature coefficient of 0.005%/°C, making it a great device for stable voltage measurements.

The LT1019 works by producing a voltage across a resistive load, with the difference between the resistive load and the reference voltage being the output voltage. At the power input, the voltage rises and falls, and the internal circuitry of the LT1019 holds the reference voltage at a stable level. This is done through its Dynamic Error Amplifier, which helps compensate for the overshoot and undershoot of the voltage during changes in input voltage conditions. This makes LT1019 less susceptible to noise, ensuring a stable and consistent output voltage.

The LT1019 has a wide range of applications, making it a versatile device. It is commonly used as a voltage regulator in low-power linear voltage regulation in a wide range of applications such as audio power amplifiers, power supply regulators, addressable switch mode power supplies and optical jitter attenuators. The LT1019 is also used in higher-end medical applications, such as vital sign monitoring and ECG monitoring, due to its precision and accuracy.

The LT1019AIS8-2.5#PBF is an excellent choice for precise voltage reference applications when high stability, accuracy, and low power consumption are required. Its ability to reject noise on the input and provide a consistent output voltage make it an ideal choice in a wide range of applications.

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