A good PCB layout for the THS1206CDAR involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
The choice of gain resistors depends on the desired gain and bandwidth of the amplifier. A higher gain resistor value will result in a higher gain, but may also reduce the bandwidth. TI provides a gain resistor calculator tool to help with the selection.
The maximum power dissipation of the THS1206CDAR is 1.4W. However, this can be affected by the ambient temperature, PCB layout, and other factors. It's essential to perform thermal analysis and ensure proper heat sinking to prevent overheating.
Yes, the THS1206CDAR can be used as a single-ended amplifier by tying the negative input to ground and using the positive input as the signal input. However, this will reduce the common-mode rejection ratio and may affect the noise performance.
The THS1206CDAR has a built-in low-pass filter, but additional filtering may be required to remove high-frequency noise. This can be achieved using external filters, such as RC filters or ferrite beads, or by adding a capacitor in series with the input signal.
THS1206CDAR datasheet
by Texas Instruments
