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PCF8885T/1,518

Description
IC PROXIMITY SWITCH 8CH 28SOIC
Categorysemiconductor    Analog mixed-signal IC   
File Size364KB,45 Pages
ManufacturerNXP
Websitehttps://www.nxp.com
Environmental Compliance
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PCF8885T/1,518 Overview

IC PROXIMITY SWITCH 8CH 28SOIC

PCF8885T/1,518 Parametric

Parameter NameAttribute value
typebutton
proximity detectionyes
Number of inputs8
LED driver channel-
interfaceI²C
resolution-
Voltage - Power2.5 V ~ 5.5 V
Current - Power10µA
Operating temperature-40°C ~ 85°C
Package/casing28-SOIC (0.295", 7.50mm wide)
PCF8885
Capacitive 8-channel touch and proximity sensor with
auto-calibration and very low power consumption
Rev. 3 — 17 March 2014
Product data sheet
1. General description
The integrated circuit PCF8885 is a capacitive 8-channel touch and proximity sensor that
uses a patented (EDISEN) method to detect a change in capacitance on remote sensing
plates. Changes in the static capacitances (as opposed to dynamic capacitance changes)
are automatically compensated using continuous auto-calibration. Remote sensing plates
(for example, conductive foils) can be connected to the IC
1
using coaxial cable. The eight
input channels operate independently of each other. There is also a built-in option for a
matrix arrangement of the sensors: interrupt generation only when two channels are
activated simultaneously, suppression of additional channel outputs when two channels
are already active.
2. Features and benefits
Dynamic touch and proximity sensor with 8 sensor channels
Support for matrix arrangement of sensors
Sensing plates can be connected remotely
Adjustable response time
Adjustable sensitivity
Continuous auto-calibration
Digital processing method
Can cope with up to 6 mm of acrylic glass
Direct and latching switch modes
I
2
C Fast-mode Plus (Fm+) compatible interface
Two I
2
C-bus addresses
Cascading of two ICs possible
Interrupt signaling over I
2
C-bus
Interrupt output
Large voltage operating range (V
DD
= 2.5 V to 5.5 V)
Sleep mode (I
DD
< 100 nA)
Low-power battery operation possible (I
DD
~ 10
A)
Operating temperature range (T
amb
=
40 C
to +85
C)
Available in TSSOP28 and SOIC28 package
1.
The definition of the abbreviations and acronyms used in this data sheet can be found in
Section 22 on page 38.

PCF8885T/1,518 Related Products

PCF8885T/1,518 PCF8885TS/1,118 PCF8885TS PCF8885TS/1
Description IC PROXIMITY SWITCH 8CH 28SOIC IC PROXIMITY SW 8CH CAP 28-TSSOP IC SPECIALTY ANALOG CIRCUIT, Analog IC:Other IC SPECIALTY ANALOG CIRCUIT, Analog IC:Other
Maker - NXP NXP NXP
package instruction - HTSSOP, TSSOP28,.25 HTSSOP, HTSSOP,
Reach Compliance Code - compliant unknow unknow
Analog Integrated Circuits - Other Types - ANALOG CIRCUIT ANALOG CIRCUIT ANALOG CIRCUIT
JESD-30 code - R-PDSO-G28 R-PDSO-G28 R-PDSO-G28
length - 9.7 mm 9.7 mm 9.7 mm
Number of functions - 1 1 1
Number of terminals - 28 28 28
Maximum operating temperature - 85 °C 85 °C 85 °C
Minimum operating temperature - -40 °C -40 °C -40 °C
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code - HTSSOP HTSSOP HTSSOP
Package shape - RECTANGULAR RECTANGULAR RECTANGULAR
Package form - SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Maximum seat height - 1.2 mm 1.2 mm 1.2 mm
Maximum supply voltage (Vsup) - 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) - 2.5 V 2.5 V 2.5 V
Nominal supply voltage (Vsup) - 5 V 5 V 5 V
surface mount - YES YES YES
Temperature level - INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal form - GULL WING GULL WING GULL WING
Terminal pitch - 0.65 mm 0.65 mm 0.65 mm
Terminal location - DUAL DUAL DUAL
width - 4.4 mm 4.4 mm 4.4 mm
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