MPC5644BCAMMJ1 datasheet(71/116 Pages) NXP

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Electrical Characteristics

MPC5646C Microcontroller DataSheet, Rev. 7

NXP Semiconductors

4.17

ADC electrical characteristics

4.17.1

Introduction

The device provides two Successive Approximation Register (SAR) analog-to-digital converters (10-bit and 12-bit).

NOTE

Due to ADC limitations, the two ADCs cannot sample a shared channel at the same time

i.e., their sampling windows cannot overlap if a shared channel is selected. If this is done,

neither of the ADCs can guarantee their conversion accuracies.

ΔSIRCPRE CC C Slow internal RC oscillator precision

after software trimming of fSIRC

TA = 25 °C

−2—

ΔSIRCTRIM CC C Slow internal RC oscillator trimming

step

——

2.7

—

ΔSIRCVAR CC C Variation in fSIRC across

temperature and fluctuation in

supply voltage, post trimming

—

−10

—

+10

1 V

DD = 3.3 V ± 10% / 5.0 V ± 10%, TA = −40 to 125 °C, unless otherwise specified.

2 All values need to be confirmed during device validation.

3 This does not include consumption linked to clock tree toggling and peripherals consumption when RC oscillator is

ON.

Table 40. Slow internal RC oscillator (128 kHz) electrical characteristics (continued)

Symbol

Parameter

Conditions1

Value2

Unit

Min

Typ

Max

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