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ADC121S021 - 12-Bit A/D Converter

General Description

The ADC121S021 is a low-power, single channel CMOS 12-bit analog-to-digital converter with a high-speed serial interface.

Unlike the conventional practice of specifying performance at a single sample rate only, the ADC121S021 is fully specified over a sample rate range of 50 kSPS to 200 kSPS.

Key Features

  • n n n n n Specified over a range of sample rates. 6-lead SOT-23 package Variable power management Single power supply with 2.7V - 5.25V range SPI™/QSPI™/.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ADC121S021 Single Channel, 200 ksps, 12-Bit A/D Converter October 2005 ADC121S021 Single Channel, 200 ksps, 12-Bit A/D Converter General Description The ADC121S021 is a low-power, single channel CMOS 12-bit analog-to-digital converter with a high-speed serial interface. Unlike the conventional practice of specifying performance at a single sample rate only, the ADC121S021 is fully specified over a sample rate range of 50 kSPS to 200 kSPS. The converter is based upon a successiveapproximation register architecture with an internal trackand-hold circuit. The output serial data is straight binary, and is compatible with several standards, such as SPI™, QSPI™, MICROWIRE, and many common DSP serial interfaces. The ADC121S021 operates with a single supply that can range from +2.7V to +5.25V.