ISLA214P12IRZ

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Analog to digital converters (ADCs) are responsible for producing digital signals from analog signals. They are essential in fields related to data acquisition, such as vision systems, industrial control, and instrumentation. The ISLA214P12IRZ is an economical and multi-functional 2-channel 12-bit SAR (Successive Approximation Register) analog to digital converter (ADC). It is designed for simultaneously sampling input signals up to 1MHz in differential mode.

The ISLA214P12IRZ features a low noise and low distortion design, while simultaneously providing two channels of 12-bit conversion resolution. The two channels are multiplexed to a single 16-pin TSSOP (Thermally Enhanced Small Outline Package) package. It is designed to provide up to 16 input signal ranges with an active power consumption of only 5mW. Furthermore, the device features 12mV INL (Integral Non-Linearity) and 25μV RMS (Root Mean Square) of noise for ideal signal-to-noise performance. The device also has a low differential gain and phase error, which ensures accurate signal transmission.

The ISLA214P12IRZ application field mainly includes base station and backhaul system transitions, digital signal processing (DSP), audio precision measurement, and image signal processing. It is ideal for applications that require precision analog-to-digital signal conversion at a fast rate. It offers a power-efficient solution for high-end audio applications, as well as large array telemetry systems.

The working principle of the ISLA214P12IRZ is based on the successive approximation register (SAR) ADC topology. A SAR ADC consists of a comparator, a successive approximation register (SAR) logic, and a digital-to-analog converter (DAC). The comparator is used to compare the input signal with the output of the DAC. The SAR logic module then creates the successive approximation cycles, which starts by setting the MSB bit in the SAR logic and then moving down the bit string, until the LSB bit is set. During each cycle, the output of the DAC and the input signal is compared and the result of the comparison is latched into the SAR register. The result of these successive cycles will be the digital output value.

The ISLA214P12IRZ offers a great solution for creating precise, high-performance digital signals from analog signals. It is a low-cost, low-power ADC that is ideally suited for applications requiring fast and accurate signal conversion, including base station and backhaul system transitions, DSP, audio precision measurement, and image signal processing.

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