STA333IS datasheet(38/43 Pages) STMICROELECTRONICS

поискавой системы для электроныых деталей

STA333IS датащи(PDF) 38 Page - STMicroelectronics

номер детали	STA333IS

подробное описание детали	100 dB SNR and dynamic range

PDF	43 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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38 / 43 page

Application information

STA333IS

38/43

DocID022855 Rev 3

Application information

6.1

Application scheme for power supplies

Figure 11 below shows a typical application scheme for the STA333IS.

Special care has to be taken with regard to the power supplies when laying out the PCB. In

particular the 3.3-

Ω resistors on the digital supplies (VDD_DIG) have to be placed as close

as possible to the device. This prevents unwanted oscillation on the digital parts of the

device due to the inductive effects of the PCB tracks. The same rule also applies to all the

decoupling capacitors; they should be placed as close as possible to the device in order to

limit the effect of spikes on the supplies.

Figure 11. Application diagram

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