This IP is a general purpose Analog to Digital Converter (ADC) for low-power applications. The converter is a charge-redistribution successive-approximation type converter, suitable for the entire Nyquist band.The key feature of this ADC is its low power consumption. This is achieved by using an energy efficient comparator and by making all circuitry dynamic. As a result, quiescent current in e.g. amplifiers is avoided, and the power consumption is fully proportional to the sample-rate. This property makes the ADC ideal for low duty-cycle sensor applications and other applications benefiting from low power consumption.The converter can operate in both single-ended and differential mode, making it suitable for a broad range of applications.
The converter can operate in both single-ended and differential mode, making it suitable for a broad range of applications.
The functional block diagram of the 12.5 MS/s ADC is shown below.
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