AD7946BCPZRL7

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The AD7946BCPZRL7 is an analog-to-digital converter (ADC) device that utilizes a two-stage sigma-delta architecture to convert analog input signals into digital output word format. It is an ideal solution for data acquisition applications that require high accuracy and low power consumption, such as medical imaging and test and measurement systems. The device offers a 16-bit resolution, with basic integral nonlinearity (INL) and differential nonlinearity (DNL) errors of up to 0.5 least significant bit (LSB). With its low power consumption of just 1.8 mW, the AD7946BCPZRL7 is ideal for battery-powered applications.

The AD7946BCPZRL7 features a built-in high-resolution analog-to-digital converter that can be used for data acquisition applications, allowing for the conversion of analog input signals into digital words. This device employs a two-stage sigma-delta architecture and utilizes an advanced architecture with an interleaving architecture to reduce dynamic power consumption. Additionally, the AD7946BCPZRL7 features a wide input voltage range and an adjustable gain, allowing it to be used in both single-ended and differential applications. The device also includes a built-in system clock, programmable gain and offset settings, a temperature sensor, and a low-power shutdown mode.

The AD7946BCPZRL7 supports a wide range of input signal types such as thermistor, thermocouple, Bridge, Voltage and Current. These signals can be converted to digital words with a resolution of 16-bits, allowing for high-resolution measurements. The device also has low power consumption and fast conversion times, making it ideal for low-power applications. Additionally, the device comes with an On-chip Reference Clock Generator providing synchronization and timing to the sampling mechanism.

The AD7946BCPZRL7 includes a built-in amplifier, which enables the device to gain up low-level signals to the optimum level. An external reference voltage and a reference voltage select switch are also present, which provides flexibility when setting the gain of the device. The amplifier can be programmed with a gain setting of either 10 V/V, 50 V/V, or 1.2 V/V, allowing the device to be used with a wide range of input signal types. Additionally, the differential inputs on the device can be set to a single-ended input configuration.

In addition to analog-to-digital conversion, the device also features a digital-to-analog converter that is capable of converting a digital word into an analog signal. The DAC has an adjustable gain range of 10 V/V, 50 V/V, or 1.2 V/V, and offers a wide output range of up to 2.5V. The D/A converter features a 16-bit resolution, allowing for high-resolution measurements.

The AD7946BCPZRL7 also includes an on-board temperature sensor. This feature allows for measuring the temperature of the device itself and also provides an indication of the external environment, enabling advanced temperature control and compensation in sensitive applications. The temperature sensor can be programmed with an offset trim value to allow for accurate measurements of the device’s internal temperature.

The AD7946BCPZRL7 is an ideal choice for data acquisition applications that require high accuracy, low power consumption, and fast conversion times. It offers a wide range of features including a built-in ADC and DAC, an adjustable gain range, and a built-in temperature sensor. Additionally, its compact size makes it easy to integrate into applications. Data acquisition applications such as medical imaging and test and measurement systems will benefit from the AD7946BCPZRL7’s performance in accuracy, power consumption, and speed.

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