ADS42B49IRGCT

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The ADS42B49IRGCT is a 10-bit, 8-channel SAR (Successive Approximation Register) Analog-to-Digital Converter (ADC) that is designed to meet low-cost requirements in high-speed, high-resolution measurement applications. Its application fields include, but are not limited to, applications such as industrial process control, portable medical instrumentation, motor control, automotive testing and measurement, and power distribution. It is ideal for data conversion applications that require high accuracy, low power and high throughput.

The ADS42B49IRGCT is based on a SAR architecture that is capable of high conversion speed and excellent linearity performance over its full input range. It supports a wide range of input signal frequencies and is capable of high-speed conversion of low-frequency signals and a very low noise floor for low-frequency inputs. The integral non-linearity (INL) of the converter is 2LSB (Least Significant Bits) maximum, ensuring the best possible accuracy in commercial temperature range. The converter supports selectable sampling rate and programmable gain for fast and precise analog measurements. The on-chip power-on reset circuit clears all device settings, ensuring consistent results from one power-on cycle to the next. The ADS42B49IRGCT also features an auto-zeroing capability that eliminates any offset voltage error.

The main operational features of the ADS42B49IRGCT is its high speed 8-channel multiplexed operation and its low distortion, low noise, low power consumption. The fast serial data rate supports data measurement in high resolution and at high speed with up to 10-bit resolution and up to 8-channel multiplexed operation. This allows for accurate measurements of fast changing analog signals with low distortion, low noise and low power consumption. The multiplexed operation permits the simultaneous conversion of up to 8 channels of analog signals with up to 10 bits of resolution per channel. The ADS42B49IRGCT also supports various sampling modes, including continuous sampling, simultaneous sampling, burst sampling, segmented sampling and single cycle sampling modes.

The converter works on the principle of a successive approximation register (SAR). The SAR architecture is a simple digital-to-analog converter that is composed of a series of capacitors and switches. The SAR loop is clocked at a fixed rate and the voltage on the capacitor is compared with the input signal. Depending on the comparison result, the SAR loop either continues to the next bit, or settles with the last determination until the end of the cycle. The input signal is converted to a digital code by successively approximating the signal\'s value. In this way, the SAR loop guarantees high accuracy and speed in the conversion process.

The ADS42B49IRGCT is an ideal choice for high speed, low noise and low power ADC applications. It is suitable for applications in motor control, automotive testing & measurement and power distribution, as well as medical and industrial process control, where high accuracy, low power and high throughput are required. The SAR architecture and advanced features also make this device suitable for a variety of demanding analog measurement applications.

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