LDS6005PYGI IDT, Integrated Device Technology Inc, LDS6005PYGI Datasheet

LDS6005PYGI

Manufacturer Part Number

LDS6005PYGI

Description

IC SENSOR TCH PURETOUCH 28SSOP

Manufacturer

IDT, Integrated Device Technology Inc

Series

PureTouch&TRADE;r

Type

Capacitiver

Datasheet

1.LDS6005NQGI.pdf (2 pages)

Specifications of LDS6005PYGI

Number Of Inputs/keys

10 Slider

Data Interface

I²C, Serial, SPI™

Voltage - Supply

1.65 V ~ 1.95 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

28-SSOP

Interface

I²C, SPI

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current - Supply

Output Type

Input Type

Other names

800-1887
LDS6005PYGI

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IDT

LDS6005

PureTouch™ Capacitance Touch IC

The LDS6005 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.

LDS6005 Features

Versatile, accurate capacitance-

to-digital converter (CDC)

• 500 kHz sigma-delta CDC

• 10 capacitance sensor input channels

• 2 ms update rate per active sensor

Integrated, automatic

calibration algorithms

• Environmental compensation

• On-chip RAM to store calibration data

Integrated touch preference modes

• Strongest single touch

• Strongest two touches

• Unrestricted (all) touches

Ultra-low touch sensor

power consumption*

• Operating mode (typical):

• Shutdown mode (typical):

Flexible interface options

• SPI-compatible serial I/F

• I

• Separate V

• GPIO and Interrupt Output

* excludes I/F and voltage dependent V

LDS6005 PureTOuCH™ CaPaCITanCe TOuCH IC

<150 uW (VDD1=1.8V)

<1 uW (VDD1=1.8V)

C-compatible serial I/F

DDIO

level for serial interface

DDIO

current

semiconductor solutions

Description

The LDS6005 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 10 sensor inputs, the LDS6005 provides the flexibility to implement multiple touch inputs using

a single controller.

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.

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

threshold levels to prevent false sensor activation. The LDS6005 is offered with both SPI-compatible

and I

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

RESETB

I/F SEL

Figure 1. LDS6005 block diagram

VDDIO

VDD1

VSS1

TEST

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

Reset Logic

SD0/

SDA

Power-On

Serial Interface and

Control Logic

SDI/

SCLK/

SCL

CSB/

Calibration

Engine

Calibration

LDS6005

RAM

Interrupt and GPIO Logic

GPIO

Data Registers

Control and

INTB

Sigma-Delta

CDC

Excitation

500 kHz

Source

SHIELD

Related parts for LDS6005PYGI

LDS6005PYGI Summary of contents

Page 1

LDS6005 PureTouch™ Capacitance Touch IC The LDS6005 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. LDS6005 Features Versatile, accurate ...

Page 2

Flexible package options: • 28 pin 4mm x 4mm QFN, 0.8mm max height • 28 pin 5.3mm x 10.2mm SSOP, 1.83mm max height Power supply range: • Touch supply (VDD1): 1.65V - 1.95V • V =1.65V - 3.6V DDIO Applications: • Mobile handsets and smartphones • Personal music and media players (MP3/MP4) • Gaming devices • Remote controls • Television, audio/video • Set-top boxes • Multi-function printers • Enterprise telephony Discover what ...

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