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CSG14K_CSG8K

Functional Description

Datasheet

• PUBLIC

DS000571

• v2-01 • 2023-Feb-10

113

│ 21

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1:5 of CLK_SER in 10-bit ADC mode

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1:6 of CLK_SER in 12-bit ADC mode

7.1.10

OTP Memory

A non-volatile, one time programmable memory is included on-chip. This is programmed with

unique identifier and temperature sensor calibration data.

7.2

Operating the Sensor

This section explains how to connect and power the sensor, as well as basic recipes of how

to configure the sensor in a certain operation mode.

7.2.1

Power Supplies

External Power Supplies

To power the sensor, eight externally generated supplies are required as listed in Figure 6. A

Figure 6 distinction is made between digital supplies (VDD12, VDD12C, VDD33D,

VDD12_PLL) and analog supplies (VDD33, VDDPIX, VDD45, VSSNEG). Avoid using

switching power supplies when possible, especially for the analog supplies.

Sufficient bulk (at the regulators) and local (at the sensor pins) decoupling is needed, see

Figure 14. In case of multiple pins for the same supply, local decoupling must be foreseen for

each pin (e.g. 3 capacitors for the 3 VDDPIX pins). Separate ground planes must be provided

to minimize coupling.

For optimal noise performance, it is advised to keep the analog and digital ground nets

separated and connect them together as close as possible to the external supply regulators.

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