MPC5644BCAMMJ1 datasheet(81/116 Pages) NXP

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Electrical Characteristics

MPC5646C Microcontroller DataSheet, Rev. 7

NXP Semiconductors

IINJ

—

Input current

Injection

Current

injection

on one

ADC_1

input,

different

from the

converted

one

VDD = 3.3

V ± 10%

−5

—

VDD = 5.0

V ± 10%

−5

—

INLP

Absolute Integral

non-linearity-Preci

se channels

No overload

LSB

INLS

Absolute Integral

non-linearity-

Standard channels

No overload

1.5

LSB

DNL

Absolute

Differential

non-linearity

No overload

0.5

LSB

OFS

Absolute Offset

error

—2

LSB

GNE

Absolute Gain error —2

LSB

TUEP9

Total Unadjusted

Error for precise

channels, input

only pins

Without current

injection

−6

LSB

With current injection

−8

LSB

TUES(9)

Total Unadjusted

Error for standard

channel

Without current

injection

−10

LSB

With current injection

−12

LSB

1 V

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

2 Analog and digital V

SS_HV must be common (to be tied together externally).

3 PA3, PA7, PA10, PA11 and PE12 ADC_1 channels are coming from V

DD_HV_B domain hence VDD_HV_ADC1 should be

within ±100 mV of VDD_HV_B when these channels are used for ADC_1.

4 VDD_HV_ADC1 can operate at 5V condition while V

DD_HV_B can operate at 3.3V provided that ADC_1 channels coming

from VDD_HV_B domain are limited in max swing as VDD_HV_B.

5 V

AINx may exceed VSS_ADC1 and VDD_ADC1 limits, remaining on absolute maximum ratings, but the results of the

conversion will be clamped respectively to 0x000 or 0xFFF.

6 During the sample time the input capacitance C

S can be charged/discharged by the external source. The internal

resistance of the analog source must allow the capacitance to reach its final voltage level within tADC1_S. After the end of

the sample time tADC1_S, changes of the analog input voltage have no effect on the conversion result. Values for the sample

clock tADC1_S depend on programming.

7 Conversion time = Bit evaluation time + Sampling time + 1 Clock cycle delay.

8 Refer to ADC conversion table for detailed calculations.

Table 43. Conversion characteristics (12-bit ADC_1) (continued)

Symbol

Parameter

Conditions1

Value

Unit

Min

Typ

Max

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