PIMXRT805VXAF4A datasheet(64/119 Pages) NXP

64 / 119 page

i.MX RT1060 Crossover Processors for Consumer Products, Rev. 4, 04/2024

NXP Semiconductors

Electrical Characteristics

4.8.2

A/D converter

This section introduces information about A/D converter.

4.8.2.1

12-bit ADC electrical characteristics

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

4.8.2.1.1

12-bit ADC operating conditions

Efficiency

90% max

@150 mA

Low power mode

Open loop mode

Ripple is about 15 mV in Run mode

Run mode

• Always continuous mode

• Support discontinuous mode

Configurable by register

Inductor

4.7 H

—

Capacitor

33 F

—

Over voltage protection

1.55 V

Detect VDDSOC, when the voltage is higher

than 1.6 V, shutdown DCDC.

Over Current protection

1 A

Detect the peak current

• Run mode: when the current is larger than

1 A, shutdown DCDC.

Low DCDC_IN detection

2.6 V

Detect the DCDC_IN, when battery is lower

than 2.6 V, shutdown DCDC.

Table 54. 12-bit ADC operating conditions

Characteristic

Conditions

Symb

Min

Typ1

Max

Unit

Comment

Supply voltage

Absolute

VDDA

3.0

3.6

—

Delta to

VDDA_ADC_3P3

(VDD-VDDA)2



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

—

kohms

—

ADLPC=0, ADHSC=0

—

12.5

kohms

—

ADLPC=1, ADHSC=0

—

kohms

—

Table 53. DCDC electrical specifications (continued)

Mode

Buck mode, one output

Notes

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