PIMXRT406LCJM4A datasheet(46/71 Pages) NXP

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i.MX RT1015 Crossover Processors Data Sheet for Industrial Products, Rev. 2, 03/2021

NXP Semiconductors

Electrical characteristics

4.7.2.1

12-bit ADC electrical characteristics

The section provide information about 12-bit ADC electrical characteristics.

4.7.2.1.1

12-bit ADC operating conditions

Table 43. 12-bit ADC operating conditions

Characteristic

Conditions

Symb

Min

Typ1

1 Typical values assume VDDAD = 3.0 V, Temp = 25°C, fADCK=20 MHz unless otherwise stated. Typical values are for reference

only and are not tested in production.

Max

Unit

Comment

Supply voltage

Absolute

VDDA

3.0

3.6

—

Delta to VDD

(VDD-VDDA)2

2 DC potential differences

VDDA

-100

100

—

Ground voltage

Delta to VSS

(VSS-VSSAD)

VSSAD

-100

100

—

Ref Voltage High

—

VDDA

1.13

VDDA

—

Ref Voltage Low

—

VSS

—

Input Voltage

—

VADIN

VSS

—VDDA

—

Input Capacitance

8/10/12 bit modes

CADIN

—1.5

—

Input Resistance

ADLPC=0, ADHSC=1

RADIN

—5

kohms

—

ADLPC=0, ADHSC=0

—

12.5

kohms

—

ADLPC=1, ADHSC=0

—

kohms

—

Analog Source

Resistance

12 bit mode fADCK =

40MHz ADLSMP=0,

ADSTS=10, ADHSC=1

RAS

—

kohms

Tsamp=150

RAS depends on Sample Time Setting (ADLSMP, ADSTS) and ADC Power Mode (ADHSC, ADLPC). See charts for Minimum

Sample Time vs RAS

ADC Conversion Clock

Frequency

ADLPC=0, ADHSC=1

12 bit mode

fADCK

—

MHz

—

ADLPC=0, ADHSC=0

12 bit mode

—

MHz

—

ADLPC=1, ADHSC=0

12 bit mode

—

MHz

—

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