The recommended layout and placement for the PGA2310UA/1K involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the analog signal sources to minimize noise. TI provides a layout guide in the datasheet and application notes.
To optimize the PGA2310UA/1K for low noise and distortion, use a low-ESR capacitor for the power supply, keep the input impedance low, and use a high-PSRR power supply. Additionally, use a low-noise voltage reference and ensure proper PCB layout and grounding.
The maximum input signal amplitude that the PGA2310UA/1K can handle is ±10V, but it's recommended to keep the input signal amplitude below ±5V to ensure optimal performance and prevent clipping.
The PGA2310UA/1K's gain and offset settings can be programmed using a 3-wire serial interface. The device has a 16-bit gain register and a 16-bit offset register, which can be programmed using a microcontroller or other digital interface.
The power consumption of the PGA2310UA/1K depends on the operating mode and supply voltage. In normal operation, the device consumes around 20mA from a 5V supply. In shutdown mode, the current consumption is typically less than 1μA.
PGA2310UA/1K datasheet
by Texas Instruments
