EFM32GG942 datasheet(32/74 Pages) SILABS

Part #	EFM32GG942

Description	Output state retention and wake-up from Shutoff Mode

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Manufacturer	SILABS [Silicon Laboratories]

Direct Link	http://www.silabs.com

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32 / 74 page

...the world's most energy friendly microcontrollers

2014-05-23 - EFM32GG942FXX - d0128_Rev1.30

32

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Figure 3.14. Integral Non-Linearity (INL)

Ideal t ransfer

curve

Digit al ouput code

Analog Input

INL= | [(VD- VSS)/ VLSBIDEAL] - D| where 0 < D < 2

N - 1

0

1

2

3

4092

4093

4094

4095

VOFFSET

Act ual ADC

t ranfer funct ion

before offset and

gain correct ion

Act ual ADC

t ranfer funct ion

aft er offset and

gain correct ion

INL Error

(End Point INL)

Figure 3.15. Differential Non-Linearity (DNL)

Ideal t ransfer

curve

Digit al

ouput

code

Analog Input

DNL= | [(VD+ 1 - VD)/ VLSBIDEAL] - 1| where 0 < D < 2

N - 2

0

1

2

3

4092

4093

4094

4095

Act ual t ransfer

funct ion wit h one

m issing code.

4

5

Full Scale Range

0.5

LSB

Ideal Code Cent er

Ideal 50%

Transit ion Point

Ideal spacing

bet ween t wo

adjacent codes

VLSBIDEAL= 1 LSB

Code widt h = 2 LSB

DNL= 1 LSB

Example: Adjacent

input value VD+ 1

corrresponds t o digit al

out put code D+ 1

Example: Input value

VD corrresponds to

digit al out put code D

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EFM32GG942 Datasheet(PDF) 32 Page - Silicon Laboratories

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