MK20DX32VLF5 datasheet(39/60 Pages) FREESCALE

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Table 24. 16-bit ADC characteristics (VREFH = VDDA, VREFL = VSSA) (continued)

Symbol

Description

Conditions1

Min.

Typ.2

Max.

Unit

Notes

SFDR

Spurious free

dynamic range

16 bit differential mode

• Avg=32

16 bit single-ended mode

• Avg=32

—

EIL

Input leakage

error

IIn × RAS

IIn =

leakage

current

(refer to

the MCU's

voltage

and

current

operating

ratings)

Temp sensor

slope

–40°C to 105°C

—

1.715

—

mV/°C

VTEMP25

Temp sensor

voltage

25°C

—

719

—

1. All accuracy numbers assume the ADC is calibrated with VREFH = VDDA

2. Typical values assume VDDA = 3.0 V, Temp = 25°C, fADCK = 2.0 MHz unless otherwise stated. Typical values are for

reference only and are not tested in production.

3. The ADC supply current depends on the ADC conversion clock speed, conversion rate and the ADLPC bit (low power).

For lowest power operation the ADLPC bit should be set, the HSC bit should be clear with 1MHz ADC conversion clock

speed.

4. 1 LSB = (VREFH - VREFL)/2N

5. ADC conversion clock <16MHz, Max hardware averaging (AVGE = %1, AVGS = %11)

6. Input data is 100 Hz sine wave. ADC conversion clock <12MHz.

7. Input data is 1 kHz sine wave. ADC conversion clock <12MHz.

Peripheral operating requirements and behaviors

K20 Sub-Family Data Sheet, Rev. 4 5/2012.

Freescale Semiconductor, Inc.

MK20DX32VLF5 Datasheet(PDF) 39 Page - Freescale Semiconductor, Inc

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