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| TDC1011_15 Datasheet, PDF (41/49 Pages) Texas Instruments – TDC1011 Single Channel Ultrasonic Sensing Analog Front End (AFE) for Level Sensing,Concentration Sensing Applications | |||
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TDC1011
SNAS662 â JULY 2015
10 Power Supply Recommendations
The analog circuitry of the TDC1011 is designed to operate from an input voltage supply range between 2.7V
and 5.5V. It is recommended to place a 100nF ceramic bypass capacitor to ground as close as possible to the
VDD pins. In addition, an electrolytic or tantalum capacitor with value greater than 1µF is recommended. The
bulk capacitor does not need to be in close vicinity with the TDC1011 and could be close to the voltage source
terminals or at the output of the voltage regulators powering the TDC1011.
The IO circuitry of the TDC1011 is designed to operate from an input voltage supply range between 1.8V and
5.5V. The IO voltage supply (VIO) can be lower than the analog voltage supply (VDD), but it should not exceed it.
It is also recommended to place a 100nF ceramic bypass capacitor to ground as close as possible to the VIO
pin. If a separate source or regulator is used for VIO, an additional electrolytic or tantalum capacitor with value
greater than 1µF is recommended.
In some cases an additional 10µF bypass capacitor may further reduce the supply noise.
Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: TDC1011
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