IMX8ULPIEC datasheet(85/100 Pages) NXP

85 / 100 page

Table 67. ADC electrical specifications (1V≤VREFH<VDD_ANA18MIN and VADINMAX≤VREFH) 1 (continued)

Symbol

Description

Min

Typ2

Max

Unit

Notes

RAS

Analog

source

resistance

—

KΩ

fADCK

ADC

conversion

clock

frequency

—

MHz

Csample

Sample

cycles

3.5

—

131.5

—

Ccompare

Fixed

compare

cycles

—

17.5

—

Cycles

Cconversion

Conversion

cycles

Cconversion= Csample + Ccompare

Cycles

TUE

Total

unadjusted

error

—

-14 to -2

—

LSB

DNL

Differential

nonlinearity

—

±1.2

—

LSB

5,6

INL

Integral

nonlinearity

—

±1.2

—

LSB

5,6

ENOB

Effective number of bits

Single-ended mode

Avg = 1

—

9.8

—

Avg = 2

—

10.2

—

Avg = 16

—

11.1

—

Differential mode

Avg = 1

—

10.7

—

Avg = 2

—

Avg = 16

—

SINAD

Signal to

noise plus

distortion

SINAD=6.02 x ENOB + 1.76

EFS

Full-scale

error

—

-4

—

LSB

EZS

Zero-scale

error

—

0.05

—

LSB

Iin_ext_leak

External

channel

—

500

—

Table continues on the next page...

NXP Semiconductors

Specifications—real-time domain

i.MX 8ULP Applications Processor—Industrial Products, Rev. 1, 09/2023

Data Sheet: Technical Data

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