Datasheet > LDS6003NQGI8

LDS6003NQGI8

更新时间： 2023-01-02 16:07:37

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
2页	305K
描述
Micro Peripheral IC

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LDS6003NQGI8 数据手册

semiconductor solutions

LDS6003

PureTouch™ Capacitance Touch IC

The LDS6003 PureTouch™ controller empowers system designers to create streamlined, attractive,

and reliable product designs, enabling the replacement of mechanical controls with capacitive touch

buttons, sliders, and scroll wheels.

Description

LDS6003 Features

The LDS6003 is a programmable capacitance-to-digital converter (CDC) designed for use with capacitive

sensor arrays implementing touch-based input controls including sliders, scroll wheels, and buttons.

Featuring 6 sensor inputs, the LDS6003 provides the ﬂexibility to implement multiple touch inputs using

a single controller.

Versatile, accurate capacitance-

to-digital converter (CDC)

•ꢀ 500ꢀkHzꢀsigma-deltaꢀCDC

•ꢀ 6ꢀcapacitanceꢀsensorꢀinputꢀchannels

•ꢀ 2ꢀmsꢀupdateꢀrateꢀperꢀactiveꢀsensor

The capacitive sensor inputs are directed through an integrated switch matrix to a 500 kHz sigma-delta

CDC which senses changes in the external sensor array. When a sufﬁciently large change in capacitance

occurs, a sensor activation is registered and the host processor is notiﬁed.

Integrated, automatic

calibration algorithms

•ꢀ Environmentalꢀcompensation

On-chip calibration logic continuously monitors the environment and automatically adjusts on-and-off

threshold levels to prevent false sensor activation. The LDS6003 is offered with both SPI-compatible and

I²C-compatible interfaces (active interface selected by I/F select pin) and features a general-purpose input/

output (GPIO) and interrupt output for additional communication with the host processor.

•ꢀ On-chipꢀRAMꢀtoꢀstoreꢀcalibrationꢀdata

Integrated touch preference modes

•ꢀ Strongestꢀsingleꢀtouch

•ꢀ Strongestꢀtwoꢀtouches

•ꢀ Unrestrictedꢀ(all)ꢀtouches

LDS6003

Ultra-low touch sensor

power consumption*

•ꢀ Operatingꢀmodeꢀ(typical):ꢀꢀ

<150 uW (VDD1=1.8V)

Power-On

Reset Logic

Calibration

Engine

Sigma-Delta

CDC

•ꢀ Shutdownꢀmodeꢀ(typical):ꢀꢀ

VDD1

<1 uW (VDD1=1.8V)

Calibration

RAM

VSS1

RESETB

TEST

Flexible interface options

•ꢀ SPI-compatibleꢀserialꢀI/F

•ꢀ I²C-compatible serial I/F

Control and

Data Registers

•ꢀ SeparateꢀV_DDIOlevel for serial interface

•ꢀ GPIOꢀandꢀInterruptꢀOutput

* ꢂxcludes I/F and voltage dependent V_DDIOcurrent

500 kHz

Excitation

Source

SHIELD

VDDIO

I/F SEL

Serial Interface and

Control Logic

Interrupt and GPIO Logic

SD0/ SDI/ SCLK/ CSB/

SCL

GPIO

INTB

SDA

Figure 1. LDS6003 block diagram

IDT^®LDS6003 PꢀꢁꢂTOꢀCH™ CꢃPꢃCITꢃꢄCꢂ TOꢀCH IC

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与LDS6003NQGI8相关器件

型号	品牌	获取价格	描述	数据表
LDS6003PYGI	IDT	获取价格	Micro Peripheral IC
LDS6003PYGI8	IDT	获取价格	Micro Peripheral IC
LDS6005	IDT	获取价格	PureTouch™ Capacitance Touch IC
LDS6005NQGI	IDT	获取价格	Micro Peripheral IC
LDS6005PYGI	IDT	获取价格	Micro Peripheral IC
LDS6005PYGI8	IDT	获取价格	Micro Peripheral IC
LDS6020	IDT	获取价格	PureTouch™ Capacitance Touch IC with Integrat
LDS6020NQGI	IDT	获取价格	Micro Peripheral IC
LDS6020NQGI8	IDT	获取价格	Micro Peripheral IC
LDS6020PYGI8	IDT	获取价格	Micro Peripheral IC

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