A 4-layer PCB with a solid ground plane and a separate analog and digital power plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a low-ESR capacitor for power decoupling.
Handle the device by the body, not the leads. Use an anti-static wrist strap or mat to prevent electrostatic discharge. Avoid bending or flexing the leads, and use a soldering iron with a temperature-controlled tip to prevent overheating.
The recommended input voltage range is 2.7V to 5.5V. Operating the device outside this range may affect its performance and reliability.
The PGA309AIPWR has a programmable gain amplifier. Use the GAIN pin to set the gain to 1, 2, 4, 8, 16, or 32. Connect the GAIN pin to VCC, GND, or a resistive divider to set the desired gain.
The maximum output current of the PGA309AIPWR is 30mA. Exceeding this limit may cause the device to overheat or malfunction.