STM32F407IG datasheet(97/167 Pages) STMICROELECTRONICS

97 / 167 page

STM32F405xx, STM32F407xx

Electrical characteristics

Doc ID 022152 Rev 2

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Electromagnetic Interference (EMI)

The electromagnetic field emitted by the device are monitored while a simple application,

executing EEMBC® code, is running. This emission test is compliant with SAE IEC61967-2

standard which specifies the test board and the pin loading.

5.3.14

Absolute maximum ratings (electrical sensitivity)

Based on three different tests (ESD, LU) using specific measurement methods, the device is

stressed in order to determine its performance in terms of electrical sensitivity.

Electrostatic discharge (ESD)

Electrostatic discharges (a positive then a negative pulse separated by 1 second) are

applied to the pins of each sample according to each pin combination. The sample size

depends on the number of supply pins in the device (3 parts × (n+1) supply pins). This test

conforms to the JESD22-A114/C101 standard.

Table 40.

EMI characteristics

Symbol

Parameter

Conditions

Monitored

frequency band

Max vs.

[fHSE/fCPU]

Unit

25/168 MHz

SEMI

Peak level

VDD = 3.3 V, TA = 25 °C, LQFP176

package, conforming to SAE J1752/3

EEMBC, code running from Flash with

ART accelerator enabled

0.1 to 30 MHz

dBµV

30 to 130 MHz

130 MHz to 1GHz

SAE EMI Level

VDD = 3.3 V, TA = 25 °C, LQFP176

package, conforming to SAE J1752/3

EEMBC, code running from Flash with

ART accelerator and clock dithering

enabled

0.1 to 30 MHz

dBµV

30 to 130 MHz

130 MHz to 1GHz

SAE EMI level

3.5

Table 41.

ESD absolute maximum ratings

Symbol

Ratings

Conditions

Class

Maximum

value(1)

Unit

VESD(HBM)

Electrostatic discharge

voltage (human body

model)

TA = +25 °C conforming to JESD22-A114

2000(2)

VESD(CDM)

Electrostatic discharge

voltage (charge device

model)

TA = +25 °C conforming to JESD22-C101

500

Based on characterization results, not tested in production.

On VBAT pin, VESD(HBM) is limited to 1000 V.

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