The recommended power-on sequence is to apply VCC first, followed by VREF, and then the analog input signal. This sequence helps to prevent latch-up and ensures proper operation.
When using the TLC0820AIDWR as a comparator, the output voltage swing can be limited by adding a pull-up or pull-down resistor to the output pin. This helps to prevent the output from exceeding the supply voltage and reduces power consumption.
Input capacitance can affect the TLC0820AIDWR's performance by increasing the input impedance and reducing the bandwidth. To minimize the impact, use a low-capacitance input source and keep the input traces as short as possible.
While the TLC0820AIDWR is primarily designed as a comparator, it can be used as an amplifier with a gain greater than 1. However, the gain bandwidth product and slew rate limitations must be considered to ensure stable operation.
To ensure EMC, use proper PCB layout techniques, such as separating analog and digital grounds, using shielding, and minimizing loop areas. Additionally, consider using filters or chokes to reduce electromagnetic interference (EMI).
TLC0820AIDWR datasheet
by Texas Instruments
