The recommended power-on sequence is to apply VCC first, followed by VREF, and then the analog input signal. This ensures proper operation and prevents any potential latch-up conditions.
When using the TLC5602CDW 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 swinging to the supply rails and reduces power consumption.
The maximum input impedance of the TLC5602CDW is not explicitly stated in the datasheet, but it is typically in the range of 10 kΩ to 100 kΩ. This can be affected by the input bias current and the source impedance of the input signal.
While the TLC5602CDW is primarily designed as a comparator, it can be used as an op-amp with a gain greater than 1. However, the gain-bandwidth product is limited, and the device may not be stable at high gains. It's recommended to use a dedicated op-amp for high-gain applications.
To minimize power consumption, ensure that the input signals are within the recommended voltage range, and use a low-impedance output load. Additionally, consider using a lower supply voltage (e.g., 3.3 V instead of 5 V) and reducing the clock frequency if possible.
TLC5602CDW datasheet
by Texas Instruments
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