PCF8883

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Product data sheet

Rev. 4.1 — 14 September 2016

5 of 35

NXP Semiconductors

PCF8883

Capacitive touch/proximity switch with auto-calibration

7.2 Pin description

[1]

The substrate (rear side of the die) is connected to VSS and should be electrically isolated.

[2]

The internal regulated supply voltage output must be decoupled with a decoupling capacitor to VSS.

Table 4.

Pin description

Input or input/output pins must always be at a defined level (VSS or VDD) unless otherwise specified.

Symbol

Pin

Type

Description

PCF8883T

PCF8883US

IN

1

1

analog input/output sensor input

TYPE

2

2

input

pin OUT behavior

configuration input

CPC

3

3

analog input/output sensitivity setting

VSS[1]

4

4

supply

ground supply voltage

VDD

5

5

supply

supply voltage

OUT

6

6

output

switch output

CLIN

7

7

analog input/output sampling rate setting

VDD(INTREGD)[2] 8

8

supply

internal regulated supply

voltage output