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PDF LDS6010 Data sheet ( Hoja de datos )
| Número de pieza | LDS6010 | |
| Descripción | Capacitance Touch IC | |
| Fabricantes | IDT | |
| Logotipo |  |
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semiconductor solutions
®®
LDS6010
PureTouch™ Capacitance Touch IC with Integrated
TouchSense®-Ready Haptics Driver
The LDS6010 PureTouch™ controller empowers system designers to create streamlined, attractive and
reliable product designs with capacitive touch controls. An integrated TouchSense®-ready haptics driver
enables high quality tactile feedback when a touch occurs, enhancing the user experience.
LDS6010 Features
Versatile, accurate capacitance-
to-digital converter (CDC)
• 500 kHz sigma-delta CDC
• 15 capacitance sensor input channels
• 2 ms update rate per active sensor
Full-featured haptics driver for
portable applications
• Drives both linear and rotating actuators
• Intelligent PWM input enabling
automatic standby mode
• Internal voltage regulator enables direct
connection to Vbattery with no
degradation in haptics effects
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):
<150 uW (VDD1=1.8V)
• Shutdown mode (typical):
<1 uW (VDD1=1.8V)
* Excludes haptics driver current and I/F and voltage
dependent VDDIO current
Description
The LDS6010 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.
A built-in TouchSense®-ready haptics driver enables efficient integration of advanced tactile feedback,
providing positive confirmation when a touch occurs. Touch sensor inputs are directed through an integrated
switch matrix to a 500 kHz sigma-delta CDC which senses changes in the external sensor array. Featuring
15 sensor inputs, the LDS6010 provides the flexibility required to implement multiple tactile-enabled
touch inputs using a single controller.
On-chip calibration logic continuously monitors the environment and automatically adjusts on-and-off
threshold levels to prevent false sensor activation. The LDS6010 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.
Power-On
Reset Logic
®
LDS6010
Calibration
Engine
Sigma-Delta
CDC
VDD1
VSS1
RESETB
TEST0
TEST1
TEST2
Calibration
RAM
Control and
Data Registers
VDDIO
I/F SEL
Serial Interface and
Control Logic
Interrupt and GPIO Logic
SD0/ SDI/ SCLK/ CSB/
SDA A1 SCL A0
Figure 1. LDS6010 block diagram
GPIO
INTB
Vreg
Haptics
Driver
500 kHz
Excitation
Source
C0
C1
C2
C3
C4
C5
C14
VDD2
VDP
VDN
PWM
GAIN
VSS2
SHIELD
IDT® LDS6010 PureTouch™ Capacitance Touch IC
Downloaded from Elcodis.com electronic components distributor
1
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