DC1369A-I

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Analog-to-digital converters (ADCs) play an important role in converting analog signals to digital measurements, and are used in electronic systems from medical equipment to automotive designs.

The DC1369A-I is a low-noise, high-speed, low-power analog-to-digital converter designed for evaluation and test applications. It includes a 12-bit, 16-channel SAR ADC, an internal 2.5V reference, a delay line, an operating-temperature range of -40°C to +125°C, the capability of self-calibrating SNR, THD and ENOB, and an exclusive low-noise, high-speed high-order noise-shaping digital filter designed to reduce the noise of digitized analog inputs. This flexibility makes it ideal for a variety of applications including evaluation of analog performance of a system, troubleshooting and debugging in a laboratory environment, and low-power energy-harvesting applications.

The DC1369A-I can convert analog signals into digital values over a large signal range from 0.5V to 4.5V with resolutions up to 12-bit accuracy, and can operate at sampling rates up to 120k samples per second. It can be operated using either a single ended voltage input or differential voltage input. The differential input range ensures that the signal range extends well beyond 3.3V, allowing it to support a wide range of analog signals. The device also has an adjustable integration time which can be used to increase the sampling rate or the dynamic range. The adjustable offset can be used to remove any offset voltage present on the input signal prior to sampling.

The DC1369A-I also features an internal clock generator that allows it to operate at any frequency between 10kHz and 120 kHz. This clock generator eliminates the need to connect an external clock source, which makes for a simpler design. The device also includes an internal temperature sensor, which allows it to adjust the voltage reference in order to maintain consistent performance over the rated operating temperature range.

Another interesting feature of the DC1369A-I is its low-noise, high-speed high-order noise-shaping digital filter. This filter is designed to reduce the noise of digitized analog inputs and can be used to increase the SNR of the digitized signals. The combination of this filter and the adjustable integration time makes the DC1369A-I an ideal choice for low-noise, low-power applications.

Overall, the DC1369A-I is an excellent choice for evaluating the performance of analog systems, debugging and troubleshooting circuits, and low-power energy-harvesting applications. Its low-noise, high-speed high-order noise-shaping digital filter makes it an ideal choice for low-noise applications, while its adjustable integration time and internal temperature sensor ensure consistent performance over the rated operating temperature range.

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