MWCT1014AFVLLPR datasheet(38/65 Pages) NXP

38 / 65 page

Table 26. 12-bit ADC characteristics (3 V to 5.5 V)(VREFH = VDDA, VREFL = VSS)

Symbol

Description

Conditions 1

Min.

Typ.2

Max.

Unit

Notes

VDDA

Supply voltage

—

5.5

IDDA_ADC Supply current per ADC

—

SMPLTS Sample Time

275

—

Refer to

the

Reference

Manual

TUE4

Total unadjusted error

—

±4

±8

LSB5

6, 7, 8, 9

DNL

Differential non-linearity

—

±0.7

—

LSB5

6, 7, 8, 9

INL

Integral non-linearity

—

±1.0

—

LSB5

6, 7, 8, 9

1. All accuracy numbers assume the ADC is calibrated with VREFH=VDDA=VDD, with the calibration frequency set to less than

or equal to half of the maximum specified ADC clock frequency.

2. Typical values assume VDDA = 5.0 V, Temp = 25 °C, fADCK = 40 MHz, RAS=20 Ω, and CAS=10 nF unless otherwise stated.

3. The ADC supply current depends on the ADC conversion rate.

4. Represents total static error, which includes offset and full scale error.

5. 1 LSB = (VREFH - VREFL)/2N

6. The specifications are with averaging and in standalone mode only. Performance may degrade depending upon device

use case scenario. When using ADC averaging, refer to the Reference Manual to determine the most appropriate settings

for AVGS.

7. For ADC signals adjacent to VDD/VSS or XTAL/EXTAL or high frequency switching pins, some degradation in the ADC

performance may be observed.

8. All values guarantee the performance of the ADC for multiple ADC input channel pins. When using ADC to monitor the

internal analog parameters, assume minor degradation.

9. All the parameters in the table are given assuming system clock as the clocking source for ADC.

NOTE

• Due to triple bonding in lower pin packages like the 64-

LQFP, degradation might be seen in ADC parameters.

• When using high speed interfaces such as the QuadSPI,

there may be some ADC degradation on the adjacent

analog input paths. See following table for details.

Pin name

TGATE purpose

PTE8

CMP0_IN3

PTC3

ADC0_SE11/CMP0_IN4

PTC2

ADC0_SE10/CMP0_IN5

PTD7

CMP0_IN6

PTD6

CMP0_IN7

PTD28

ADC1_SE22

PTD27

ADC1_SE21

ADC electrical specifications

MWCT101XS Data Sheet, Rev. 3, 12/2019

NXP Semiconductors

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