Texas Instruments provides a recommended PCB layout in the PGA206UAG4 evaluation module documentation, which includes guidelines for component placement, routing, and grounding to minimize noise and ensure optimal performance.
The PGA206UAG4 requires a two-point calibration process to set the gain and offset. This involves applying a known input voltage and measuring the output voltage, then adjusting the gain and offset registers accordingly. Texas Instruments provides a calibration procedure in the device's user guide.
While the datasheet specifies a maximum input voltage range of ±10.5V, it's essential to consider the headroom required for the internal amplifiers. In practice, the maximum input voltage range is typically limited to ±9V to ensure reliable operation and prevent amplifier saturation.
Yes, the PGA206UAG4 can operate with a single-supply voltage, but it's crucial to ensure that the input voltage range is within the specified limits. Additionally, the output voltage swing will be limited to the supply voltage, which may affect the overall system performance.
To minimize EMI and noise sensitivity, it's recommended to use proper shielding, grounding, and decoupling techniques. Additionally, consider using a low-pass filter at the input stage and a ferrite bead or common-mode choke to reduce high-frequency noise.
PGA206UAG4 datasheet
by Texas Instruments
