AD7863ARS-10

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Analog to Digital converters (ADCs) are essential components in modern electronics systems. The AD7863ARS-10 is an analog to digital converter (ADC) developed by Texas Instruments, which provides a precision, low-power and cost-effective solution to converting analog signals into digital form. The AD7863ARS-10 is a low cost, 10-bit, successive approximation, delta-sigma ADC.

The AD7863ARS-10 operates from a single supply ranging from 2.7 V to 5.5 V and has a maximum sample rate of 8 Msps (million samples per second). It features low power consumption with a single conversion mode power dissipation of 500 μW at 5 V and a shutdown current of 0.1 μA at 2.7 V. The AD7863ARS-10 also features an ultra low power Auto-Zero Mode with a power dissipation of 270 μW at 2.7 V. All these features make the AD7863ARS-10 an ideal choice for battery-operated and portable applications.

The AD7863ARS-10 can be used in multiple applications including data acquisition, communication systems, instrumentation, industrial automation, medical and aerospace. It can be used to sample data from sensors and is perfect for low-power and miniature systems. Additionally, the AD7863ARS-10 has a wide input dynamic range with a maximum input voltage of 5V, which allows it to be used in multiple applications.

The AD7863ARS-10 operates on a successive approximation principle, performing conversions by successively comparing an analog input voltage to a reference voltage using a successive approximation register (SAR). During each sampling cycle, a single bit of information is stored in the SAR and the reference voltage is adjusted based on the bit value. This process is repeated 10 times, resulting in an accurate 10-bit representation of the analog input. The successive approximation principle enables the AD7863ARS-10 to achieve high linearity and a full 10-bit resolution with no missing codes.

The AD7863ARS-10 features a temperature compensation circuit which monitors the die temperature and adjusts the reference voltage to compensate for any changes. This provides improved linearity and accuracy in all temperature ranges, making the device more reliable. The AD7863ARS-10 also features an on-chip reference amplifier which provides a high accuracy reference voltage. Additionally, the AD7863ARS-10 includes an internal digital filter which reduces the output data rate and filter noise. The filter is programmable and can be used to reduce the data rate in applications that require low power consumption.

Overall, the AD7863ARS-10 is a low cost, 10-bit, successive approximation, delta-sigma ADC. It provides a precision, low-power and cost-effective solution to converting analog signals into digital form. The AD7863ARS-10 is ideal for battery-powered applications such as data acquisition, communication systems, instrumentation, industrial automation, medical and aerospace. Its wide input dynamic range, temperature compensation circuit and internal digital filter make the device reliable and offer versatility in many applications.

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