STM8T143 STMicroelectronics, STM8T143 Datasheet - Page 3

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STM8T143

Manufacturer Part Number
STM8T143
Description
Single-channel capacitive sensor for touch and proximity detection
Manufacturer
STMicroelectronics
Datasheet

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STM8T143
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Typical application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Design guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
8.1
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
9.1
9.2
9.3
9.4
9.5
9.6
9.7
Package characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
10.1
10.2
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Sensitivity adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
8.1.1
Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
9.1.1
9.1.2
9.1.3
9.1.4
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
9.3.1
9.3.2
9.3.3
Regulator and reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Capacitive sensing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Streaming mode characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
9.7.1
9.7.2
9.7.3
9.7.4
9.7.5
9.7.6
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
10.1.1
10.1.2
Package thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
10.2.1
PCB layout and construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
General operating conditions and supply characteristics . . . . . . . . . . . 39
Average current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
I/O pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Functional EMS (electromagnetic susceptibility) . . . . . . . . . . . . . . . . . . 45
Prequalification trials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Electromagnetic interference (EMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Absolute maximum ratings (electrical sensitivity) . . . . . . . . . . . . . . . . . 45
Electrostatic discharge (ESD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Static latchup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
SO8 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
UFDFPN8 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Reference document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Doc ID 18315 Rev 3
Contents
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