STM32W108CB datasheet(165/179 Pages) STMICROELECTRONICS

165 / 179 page

STM32W108CB, STM32W108HB

Electrical characteristics

Doc ID 16252 Rev 2

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Note:

The signal-ended ADC measurements are limited in their range and only guaranteed for

accuracy within the limits shown in this table. The ADC's internal design allows for

measurements outside of this range (±200 mV) when the input buffer is disabled, but the

accuracy of such measurements is not guaranteed. The maximum input voltage is of more

interest to the differential sampling where a differential measurement might be small, but a

common mode can push the actual input voltage on one of the signals towards the upper

voltage limit.

Maximum input voltage

Input buffer disabled

Input buffer enabled

VREF

VDD_PADS - 0.1

Single-ended signal range

Input buffer disabled

Input buffer enabled

0.1

VREF

VDD_PADS – 0.1

Differential signal range

Input buffer disabled

Input buffer enabled

-VREF

-VDD_PADS + 0.1

+VREF

+VDD_PADS -

0.1

Common mode range

Input buffer disabled

Input buffer enabled

VDD_PADS/2

VREF

Input referred ADC offset

-10

Input Impedance

1 MHz sample clock

6 MHz sample clock

Not sampling

0.5

Table 39.

ADC specifications (continued)

Parameter

Min.

Typ.

Max.

Units

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