Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the analog and digital signals separate. The datasheet provides a recommended layout and routing guide.
Optimizing the ADC's performance requires careful consideration of the input signal, clock frequency, and sampling rate. TI provides an ADC Performance Calculator tool to help optimize the ADC's performance for specific applications.
The ADS7041IRUGR can handle input voltages up to 5.5V, but the recommended input voltage range is 0V to VREF (typically 3.3V or 5V). Exceeding the maximum input voltage can damage the device.
To ensure accurate conversions, ensure that the input signal is within the recommended range, the clock frequency is stable, and the device is properly calibrated. Additionally, consider using a low-pass filter to remove noise and aliasing.
The ADS7041IRUGR has a typical power consumption of 1.5mA at 3.3V and 2.5mA at 5V, depending on the operating frequency and mode. The device also has a power-down mode to reduce power consumption when not in use.
ADS7041IRUGR datasheet
by Texas Instruments
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