ADS7886SDCKT

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Data Acquisition – Analog to Digital Converters (ADC) have become a fundamental requirement for most applications requiring capture, analysis and storage of data. The ADS7886SDCKT is a 12-bit, low-power and low-profile high-performance complementary metal oxide semiconductor (CMOS) Data Acquisition – Analog to Digital Converter. This product combines a small form factor for space constrained applications, high resolution for accurate measurements and on- chip, improved linearity and distortion control for probe-type applications. The ADS7886SDCKT’s low-power, low-profile capabilities make it ideal for applications such as mobile instrumentation, medical imaging and professional audio.

The ADS7886SDCKT is a single-channel, 12-bit, highly-integrated and low-noise 1-MΩ CMOS Analog to Digital Converter. The device features up to 22-bit effective resolution when the noise-elimination mode is enabled. The design incorporates a 25-MHz input sampling frequency and enables sample rates of up to 48-KHz without external devices. The device also contains a low-drift bandgap reference and a 12-bit ADC that provides better than 1-LSB ENOB accuracy. Additionally, it can be used with an external reference for improved linearity.

The ADS7886SDCKT utilizes a wide range of input signals from single ended, ground referenced signals to differential signals. It can be used in single-ended mode as well as differential mode and uses an internal switch to select between these two input modes. Additionally, the device incorporates offset and gain calibration, an integrate-and-dump filter with 16-tap ROM, a filter gain control, a power-saving control register and an interrupt control register.

The ADS7886SDCKT also features on-chip digital filtering to reduce aliasing distortion and improved temperature stability. On-chip filters are built using a combination of bandpass, low-pass, high-pass and notch digital filters that are used to reject noise components while preserving the desired signals. The digital filters provide improved linearity and distortion control compared to traditional sigma delta converters used in similar applications.

The ADS7886SDCKT is suitable for precision measurement applications such as medical imaging and audio equipment, as it supports a wide range of input signals and a high resolution of up to 22-bits. Additionally, it requires just a single power supply, while its small form factor and low power consumption make the device suitable for portable and embedded applications.

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