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PDF LDS6200 Data sheet ( Hoja de datos )

Número de pieza LDS6200
Descripción PureTouch Low Channel Capacitive Touch Sensor IC
Fabricantes IDT 
Logotipo IDT Logotipo



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LDS6200 Family
PureTouch®* Low Channel Capacitive Touch Sensor IC Family
FEATURES
o Up to 8 touch sensor channels
o 2ms update rate per active sensor input**
o Built-in Slider/Scroll Support
o Configurable hysteresis and debounce
o Touch Preference Modes
o 1.65-5.5v supply voltage
o Low touch sensor operating power
o Full power mode (typ): <125uW***
o Optional low power mode
o On-chip automatic calibration algorithm
o I2C compatible serial I/F with VDDIO
o Power on touch detection
o Configurable for proximity sensing
o GPIO and interrupt output
o 3mm x 3mm 16-pin and 20-pin TQFN
packages
o SOIC packages also available
APPLICATIONS
o Mobile handsets, personal media players
o Portable navigation devices
o Remote controls
o Office equipment, multi-function printers
o Set top boxes
o Home appliances
o Brown goods
o Industrial controls
DESCRIPTION
The LDS6200 Family of capacitive touch controllers
enables streamlining of the human-machine interface
through the implementation of touch-based user
inputs such as touch buttons, sliders, and scroll
wheels. Employing a finely tuned sigma-delta
capacitance-to-digital converter and proprietary
noise-filtering algorithms, each device is able to
reliably sense small changes in capacitance, allowing
touch-based inputs to replace a side variety of
mechanical input types. On-chip automatic
calibration accounts for environmental changes such
as temperature, humidity, and dust and is executed
automatically.
The LDS6200 Family consists of four products with
up to 8 capacitive sensor input pins.
Part #
LDS6201
LDS6202
LDS6203
LDS6204
Touch Sensors
Up to 2
Up to 4
Up to 6
Up to 8
Package
16ld TQFN
16ld SOIC
20ld TQFN
20ld SOIC
The LDS6200 Family supports touch sensor supply
voltages from 1.65 to 5.5V. All parts support I2C
compatible serial interfaces and offer both a General
Purpose I/O (GPIO) and VDDIO support, enabling
1.65V to 5.5V voltage interface support. Typical
touch sensor operating power for the device is less
than 125uW***. Package offerings include thin form
factor 3mm x 3mm 16-pin TQFN, 3mm x 3mm 20-pin
TQFN, 3.9mm x 9.9mm 16-pin SOIC, 7.5mm x
12.8mm 20-pin SOIC.
* PureTouch is a registred trademark of IDT
** Nominal decimation rate (d=1024), per sensor input
*** 1.8V, excluding VDDIO current, which varies with VDDIO voltage, I/F type, and communication frequency
© 2011 IDT
Characteristics subject to change without notice
1
Doc. No. 6200DS, Rev. 0.5

1 page




LDS6200 pdf
LDS6200 Family
ELECTRICAL OPERATING CHARACTERISTICS
VDD = 1.8V, VDDIO = 1.8V TAMB = -40°C to +85°C unless otherwise specified
Parameter
Symbol
Conditions
Related Pins
Min
Typ
Max
Unit
Power & Operating Voltage
-
Operating Voltage(1) : Touch*
VDD
-
VDD
1.65 1.8 1.95
V
Operating Voltage(3) : Touch - I/O VDDIO
-
VDDIO
1.65
-
5.5
V
Logic Inputs
High Level Input Voltage
VIH
-
(*1) 0.7*VDDIO
V
Low Level Input Voltage
VIL
-
(*1) VSS
0.3*VDDIO
V
Input Leakage Current
IIL VIN= VDDIO or VSS
(*1)
-1
uA
Logic Outputs
High Level Output Voltage
VOH
IOH= -1mA
(*2) 0.8*VDDIO
V
Low Level Output Voltage
VOL
IOL= +1mA
(*2)
0.2*VDDIO
V
Capacitance-to-Digital Converter
CDC Update Rate per Active Sensor
CIN Input Leakage
Sensor Capacitance
Tcdc
IILcin
Csensor
(*3)
IOH= -1mA
C0~Cx
1.95
2.05
2.15
ms
nA
25 (*4)
pF
* For supply voltages >1.95V, apply to VDDIO pin, set LDOEN to logic high, and tie VDD1 pin to GND through C1
Typical application circuits shown on page 2 and 3
NOTE: (*1): SCLK, SDA, GPIO; (*2): SDA, INTB, GPIO; (*3) DECIMATION RATE = 1024, PER UTILIZED SENSOR; (*4): MAXIMUM
SENSOR CAPACITANCE MAY BE ALLOWED TO EXCEED 25PF DEPENDING UPON SYSTEM CONDITIONS – CONTACT IDT FOR
EXCEPTION CONDITIONS
© 2011 IDT
Characteristics subject to change without notice
5
Doc. No. 6200 FamilyDS, Rev. 0.5

5 Page





LDS6200 arduino
LDS6200 Family
LDS6202NTGI
16 15 14 13
C3 1
C2 2
C1 3
C0 4
12 VDD
11 GPIO
10 SCLK
9 SDA
5678
© 2011 IDT
Characteristics subject to change without notice
11
Doc. No. 6200 FamilyDS, Rev. 0.5

11 Page







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