MK30DX64VMB7 datasheet(39/72 Pages) FREESCALE

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6.6.1.2 16-bit ADC electrical characteristics

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

Symbol

Description

Conditions1

Min.

Typ.2

Max.

Unit

Notes

IDDA_ADC Supply current

0.215

—

1.7

fADACK

ADC

asynchronous

clock source

• ADLPC=1, ADHSC=0

• ADLPC=1, ADHSC=1

• ADLPC=0, ADHSC=0

• ADLPC=0, ADHSC=1

1.2

3.0

2.4

4.4

2.4

4.0

5.2

6.2

3.9

7.3

6.1

9.5

MHz

tADACK = 1/

fADACK

Sample Time

See Reference Manual chapter for sample times

TUE

Total unadjusted

error

• 12 bit modes

• <12 bit modes

—

±4

±1.4

±6.8

±2.1

LSB4

DNL

Differential non-

linearity

• 12 bit modes

• <12 bit modes

—

±0.7

±0.2

-1.1 to

+1.9

-0.3 to 0.5

LSB4

INL

Integral non-

linearity

• 12 bit modes

• <12 bit modes

—

±1.0

±0.5

-2.7 to

+1.9

-0.7 to

+0.5

LSB4

EFS

Full-scale error

• 12 bit modes

• <12 bit modes

—

-4

-1.4

-5.4

-1.8

LSB4

VADIN =

VDDA

Quantization

error

• 16 bit modes

• ≤13 bit modes

—

-1 to 0

—

±0.5

LSB4

ENOB

Effective number

of bits

16 bit differential mode

• Avg=32

• Avg=4

16 bit single-ended mode

• Avg=32

• Avg=4

12.8

11.9

12.2

11.4

14.5

13.8

13.9

13.1

—

bits

SINAD

Signal-to-noise

plus distortion

See ENOB

6.02 × ENOB + 1.76

THD

Total harmonic

distortion

16 bit differential mode

• Avg=32

16 bit single-ended mode

• Avg=32

—

–94

-85

—

Table continues on the next page...

Peripheral operating requirements and behaviors

K30 Sub-Family Data Sheet, Rev. 2, 4/2012.

Freescale Semiconductor, Inc.

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