STM32F407IG datasheet(110/154 Pages) STMICROELECTRONICS

Nome de Peças	STM32F407IG

Descrição Electrónicos	USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera

PDF	154 Pages

Scroll/Zoom	100%

Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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110 / 154 page

Electrical characteristics

STM32F405xx, STM32F407xx

110/154

Doc ID 022152 Rev 1

Figure 41.

ADC accuracy characteristics

See also Table 65.

Example of an actual transfer curve.

Ideal transfer curve.

End point correlation line.

ET = Total Unadjusted Error: maximum deviation between the actual and the ideal transfer curves.

EO = Offset Error: deviation between the first actual transition and the first ideal one.

EG = Gain Error: deviation between the last ideal transition and the last actual one.

ED = Differential Linearity Error: maximum deviation between actual steps and the ideal one.

EL = Integral Linearity Error: maximum deviation between any actual transition and the end point

correlation line.

Figure 42.

Typical connection diagram using the ADC

Refer to Table 64 for the values of RAIN, RADC and CADC.

Cparasitic represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the

pad capacitance (roughly 5 pF). A high Cparasitic value downgrades conversion accuracy. To remedy this,

fADC should be reduced.

ai17534

STM32F

VDD

AINx

IL±1 µA

0.6 V

RAIN(1)

Cparasitic

VAIN

0.6 V

RADC(1)

CADC(1)

12-bit

converter

Sample and hold ADC

converter

STM32F407IG Folha de dados(PDF) 110 Page - STMicroelectronics