FS32R274VCK2VMM datasheet(32/78 Pages) NXP

32 / 78 page

Table 25. ADC conversion characteristics (continued)

Symbol

Parameter

Conditions1

Min

Typ

Max

Unit

TUEIS1WINJ Total unadjusted error for IS1WINJ

–6

—

LSB

TUEIS1WWINJ Total unadjusted error for IS1WWINJ

–6

—

LSB

IS1WINJ (pad

going to one

ADC)

(single ADC channel)

Max leakage

150 °C

—

250

Max positive/negative injection

–3

—

IS1WWINJ

(pad going to

two ADCs)

(double ADC channel)

Max leakage

150 °C

—

300

Max positive/negative injection 7

|Vref_ad0 - Vref_ad1| < 150 mV

–3.6

—

3.6

SNR

Signal-to-noise ratio

3.3 V reference voltage

—

THD

Total harmonic distortion

@ 50 KHz

—

SINAD

Signal-to-noise and distortion

Fin < 50 KHz

6.02 x ENOB + 1.76

ENOB

Effective number of bits

Fin < 50 KHz

10.5

—

bits

1. VDD_HV_ADC = 3.3 V -5%,+10%, TJ = –40 to +150°C, unless otherwise specified and analog input voltage from VAGND to

VDD_HV_ADCREFx.

2. AD_CK clock is always half of the ADC module input clock defined via the auxiliary clock divider for the ADC.

3. During the sample time the input capacitance CS 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 tsample. After the end of the

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

clock tsample depend on programming.

4. This parameter does not include the sample time tsample, but only the time for determining the digital result and the time to

load the result register with the conversion result.

5. SeeInput equivalent circuit figure.

6. No missing codes.

7. ADC specifications are met only if injection is within these specified limits

8. Max injection current for all ADC IOs is ± 10 mA

NOTE

The ADC performance specifications are not guaranteed if two

ADCs simultaneously sample the same shared channel. Aurora

interface along with SAR-ADC would degrade SAR-ADC

performance. General Purpose Input (GPI) functionality should

not be used on any of the SAR-ADC channels when SARADC

is functional.

Analog modules

S32R274/S32R264 Series Data Sheet, Rev. 6, 06/2021

NXP Semiconductors

FS32R274VCK2VMM Datasheet(PDF) 32 Page - NXP Semiconductors

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