ST7LUS5 datasheet(102/124 Pages) STMICROELECTRONICS

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Electrical characteristics

ST7LUS5, ST7LU05, ST7LU09

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12.7.2

Electromagnetic interference (EMI)

Based on a simple application running on the product (toggling two LEDs through the I/O

ports), the product is monitored in terms of emission. This emission test is in line with the

norm SAE J 1752/3 which specifies the board and the loading of each pin.

12.7.3

Absolute maximum ratings (electrical sensitivity)

Based on three different tests (ESD, LU and DLU) using specific measurement methods, the

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

For more details, refer to the application note AN1181.

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 pin). Three

models can be simulated: Human Body Model, Charged Device Model and Machine Model.

This test conforms to the JESD22-A114A/A115A standard.

Static and dynamic latch-up

●

LU: 3 complementary static tests are required on 10 parts to assess the latch-up

performance. A supply overvoltage (applied to each power supply pin) and a current

injection (applied to each input, output and configurable I/O pin) are performed on each

Table 76.

EMI emissions(1)

Data based on characterization results, not tested in production.

Symbol

Parameter

Conditions

Monitored

frequency band

Max vs.

[fOSC/fCPU]

Unit

-/8 MHz

SEMI

Peak level

VDD =5V, TA = +25°C,

SO8 package,

conforming to SAE J 1752/3

0.1 MHz to 30 MHz

dBµV

30 MHz to 130 MHz

130 MHz to 1 GHz

SAE EMI Level

Table 77.

Absolute maximum ratings

Symbol

Ratings

Conditions

Maximum value(1)

Data based on characterization results, not tested in production.

Unit

VESD(HBM)

Electrostatic discharge voltage

(Human Body Model)

TA = +25 °C

4000

VESD(CDM)

Electrostatic discharge voltage

(Charged Device Model)

750

VESD(MM)

Electrostatic discharge voltage

(Machine Model)

400

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