ADC12QS065CISQ

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The ADC12QS065CISQ is a Type IV analog-to-digital converter (ADC), which is specifically built for low-power applications. The device features a 65 MSPS sampling rate and a high accuracy of 4.5 ENOB. This ADC is widely used in medical, multimedia and telecommunications applications. The ADC12QS065CISQ is a 12-bit monolithic converter which is based on a CMOS technology. The device has a wide power supply range of 1.7V to 3.3V and consumes very low current. The device is fully integrated and requires very few external components, which makes it ideal for use in various low-power designs.

In addition to the ADC12QS065CISQ, there are also other types of analog-to-digital converters available such as the ADC12QS255CISQ, which is a Type IV, 12-bit, monolithic, low-power ADC. This device has a sampling rate up to 255 MSPS and features a wide power supply range of 3.3V to 3.6V. The ADC12QS255CISQ also offers a high accuracy of 4.5 ENOB. It is suitable for high-end applications such as medical, multimedia and telecommunications.

Both the ADC12QS065CISQ and the ADC12QS255CISQ utilize a high-speed ADC architecture that utilizes a low-power charge redistribution technique to achieve a low-noise, low-power, and high-accuracy conversion. This technique uses an internal clock to control the charge redistribution. This clock is triggered at the start of the conversion and is then stopped at the end. As a result, the use of an external clock is not required.

In addition to the ADC architecture, the devices also feature a low-power digital circuitry, which includes a low-power shift register, multiplexer, and comparator. The circuitry is designed to reduce power consumption and offers a wide range of features such as window comparison, polarity detection, overflow detection, and more. The digital circuitry is also designed to provide a high degree of accuracy and linearity and is compliant with JEDEC standards.

To utilize the ADC12QS065CISQ or ADC12QS255CISQ in a design, an external reference voltage must be provided. This reference voltage can come from an external source, or the device can be self-biased with an internal reference. The reference must have a minimum output voltage of 1.5V. In addition to the reference voltage, an analog input signal is also required. The signal can be either single-ended or differential, and must have a Maximum Input Voltage (VMAX) between 800mV and 1.6V.

To ensure accurate conversion, the device must be adjusted via the input signal. This is done by setting the gain and offset gain registers. The gain register adjusts the overall gain of the input signal, while the offset gain register sets the offset of the input signal. These registers can be adjusted through an I²C bus.

The ADC12QS065CISQ and ADC12QS255CISQ offer high accuracy and linearity, making them ideal for use in a wide range of applications. They can be used for medical, multimedia, and telecommunications applications, as well as automotive, defense, and industrial applications. The devices also offer low power consumption, which helps make them suitable for battery-operated applications. Furthermore, the low external component count of these devices make them ideal for use in space-constrained designs.

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