The recommended input impedance is 1 kΩ to 10 kΩ. However, it's essential to note that the input impedance should be matched to the source impedance to minimize signal reflections and ensure accurate conversions.
To optimize the ADC's performance for high-frequency signals, ensure that the input signal is properly filtered to remove noise and aliasing. Additionally, use a high-quality clock source, and consider using the ADC's internal clock divider to reduce clock jitter. Furthermore, optimize the PCB layout to minimize signal routing and noise coupling.
The maximum sampling rate of the ADC12L066CIVY/NOPB is 125 MSPS. However, this rate is dependent on the clock frequency, and the device can operate at lower sampling rates with reduced clock frequencies.
Metastability can occur when the input signal is close to the threshold voltage. To handle metastability, use hysteresis or Schmitt triggers on the input signal, or implement a metastability resolver circuit. Additionally, consider using the ADC's built-in metastability resolution feature, if available.
The power consumption of the ADC12L066CIVY/NOPB varies depending on the operating mode and clock frequency. In typical operating conditions, the power consumption is around 350 mW at 125 MSPS. However, this value can be reduced by using the device's power-down modes or reducing the clock frequency.
ADC12L066CIVY/NOPB datasheet
by Texas Instruments
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