Datasheet > IQS128

IQS128

更新时间： 2024-02-21 19:53:25

品牌	Logo	应用领域
其他 - ETC		传感器接近传感器控制器
页数	文件大小	规格书
33页	1763K
描述
Single Channel Capacitive Proximity, Touch Controller

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IQS128 数据手册

IQ Switch^®ProxSense^®Series

IQS128 / IQS128L Datasheet

IQ Switch^®- ProxSense^®Series

Single Channel Capacitive Proximity/Touch Controller

The IQS128 / IQS128L ProxSense^®IC is a fully integrated capacitive sensor implementing

Dynamic Calibration (DYCAL™) technology: intelligent hysteresis to allow for sensor drift even

during sensor activation.

Features

IQS128 TSOT23-6

DYCAL™ : Intelligent Hysteresis

Internal Capacitor Implementation (ICI) – reference

capacitor on-chip

IQS128L DFN8 (2x3)

Automatic Tuning Implementation (ATI) -

Automatic adjustment for optimal sensor performance

Supply voltage: 2.95V to 5.5V

Minimum external components

1-Wire open drain data streaming option

Advanced on-chip digital signal processing

User selectable (OTP):

External synchronisation control or

External control over filter operation

I/O Sink or Source selection

Time-out for stuck key

Proximity and Touch sensitivity selections

IQS128L: Low Power options available

Keys:

Touch:

5mm x 5mm or larger (overlay thickness dependent)

Proximity:

Material:

Thickness:

Various electrical options (wire / PCB trace / ITO / conductive foil)

Various non-metal materials (i.e. glass, plastic, painted surfaces)

Dielectric:

6 mm plastic, 10 mm glass for touch. Very thick overlay possible for proximity

Human Interface Devices

Proximity activated backlighting

Any applications where a touch and

proximity condition can prevail for an

extended period of time with or

without a host controller

Applications

Occupancy sensors

SAR qualification for Tablet PC’s

On-ear detection for mobile phones

3D glasses

Personal Media Players

White goods and appliances

Minimal power consumption (<7µA)

when in standby mode (Charge Halt).

Advantages

Allows for sensor drift in periods of

activation and non-activation

Improved digital filtering to reduce

external noise

Available Options

T_A

TSOT23-6

DFN8 (2x3)

-40°C to 85°C

IQS128

IQS128L

IQS128 & IQS128LP Datasheet v2.4

Page 1 of 33

November 2012

12 3 4 5 6 7...33

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