A good PCB layout for the DRV134UA involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the analog signal sources. Additionally, using a 4-layer PCB with a dedicated power plane and a dedicated ground plane can help reduce noise and improve performance.
The gain resistor values for the DRV134UA depend on the desired gain and the input impedance of the device. A good starting point is to use the recommended values in the datasheet, and then adjust them based on the specific requirements of your application. It's also important to consider the tolerance of the resistors and their temperature coefficient.
The DRV134UA can handle input voltages up to ±10V, but it's recommended to limit the input voltage to ±5V to ensure optimal performance and to prevent damage to the device.
To filter out noise and interference, you can use a low-pass filter or a band-pass filter in conjunction with the DRV134UA. You can also use shielding and grounding techniques to reduce electromagnetic interference (EMI). Additionally, using a high-quality power supply and decoupling capacitors can help reduce noise and hum.
The typical settling time of the DRV134UA is around 10-15 microseconds, which means that the device takes around 10-15 microseconds to settle to its final output value after a step change in the input signal. This settling time can affect applications that require fast response times, such as audio processing and filtering.
DRV134UA datasheet
by Texas Instruments
