LDC1051NHRT Integrated Circuits (ICs)

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The LDC1051NHRT is a high quality differential current sensing amplifier designed for very precise measurements of a differential input current, typically used in current mode chemical sensors, pressure sensors and turbines. The device, featuring an integrated Analog to Digital Converter (ADC) with an onboard temperature sensor, delivers accurate measurements and eliminates the need for an external ADC. Designed to address demanding precision application requirements, the device features a low offset voltage, low noise floor and thermal stability with a temperature coefficient of 0.1ppm/°C. The LDC1051NHRT also features a programmable gain amplifier for wide range precision current measurements.

The LDC1051NHRT is typically used in applications which require precise and accurate measurements of small currents, such as chemical sensors and pressure sensors. The device is also used in applications where precise and accurate measurements of larger currents are required, such as turbines. The device can also be used in applications where a high level of accuracy and resolution are required. In addition, the device is useful for applications which require measurements of temperature and a temperature compensation function, as it features an integrated temperature sensor.

The LDC1051NHRT features a main and an auxiliary input, both of which can be used for current sensing. The main input is used to measure the main differential current, while the auxiliary input can be used to measure the common-mode voltage of the circuit. Both input signals are conditioned and then converted to digital using the onboard ADC.

The LDC1051NHRT utilizes a differential amplifier topology to ensure high precision current sensing. The input voltage is applied to the differential connections of a differential amplifier which amplifies the input by a certain gain depending on the settings of the gain settings resistor. The output voltage of the amplifier is an amplified signal of the input voltage. The output voltage is then sent to the onboard ADC, which converts it to digital.

The output of the LDC1051NHRT is a 20-bit digital signal which is sent to an external system for further processing. The digital output can be programmed to provide an 8-bit or 12-bit resolution depending on the requirements of the application. The digital output can be used for applications such as data logging, current/voltage measurement and control.

In summary, the LDC1051NHRT is a high quality, differential current sensing amplifier designed for precise and accurate measurements of a differential input current. Featuring an integrated Analog to Digital Converter (ADC) with an onboard temperature sensor, it is suitable for applications which require high resolution and accuracy. The device is particularly useful for applications which require precise and accurate measurements of small currents, and can also be used in applications which require measurements of temperature and a temperature compensation function.

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