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參數(shù)資料
| 型號： | LDS6023PYGI |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 0K |
| 描述： | IC SENSOR TCH PURETOUCH 28SSOP |
| 特色產(chǎn)品： | LDS6100/6120 Touch Family |
| 標(biāo)準(zhǔn)包裝： | 47 |
| 系列： | PureTouch™ |
| 類型： | 電容式，小鍵盤 LED 驅(qū)動器 |
| 輸入數(shù)/鍵： | 6 個滑塊 |
| 數(shù)據(jù)接口： | I²C，串行，SPI? |
| 電源電壓： | 1.65 V ~ 1.95 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SSOP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1260 (CN2011-ZH PDF) |
| 其它名稱： | 800-1890 LDS6023PYGI-ND |
semiconductor solutions
LDS6023
PureTouch Capacitance Touch IC with
Integrated Keypad LED Drivers
The LDS6023 PureTouch controller empowers system designers to create streamlined, attractive and
reliable product designs with capacitive touch controls. Integrated LED drivers allow visual feedback to
be implemented when a touch occurs, without the need for host intervention.
Description
The LDS6023 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, 3 of which are dual-purpose I/Os configurable as either capacitive sensor
inputs or keypad LED drivers, the LDS6023 provides the flexibility to implement multiple touch inputs with
integrated lighting effects using a single controller.
When configured for capacitive sensing, the I/Os 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. LED
lighting effects are automatically initiated by a touch event with no processor intervention required.
On-chip calibration logic continuously monitors the environment and automatically adjusts on-and-off
threshold levels to prevent false sensor activation. The LDS6023 is offered with both SPI-compatible and
I
2C-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.
VDD1
RESETB
TEST
VDDIO
I/F SEL
SHIELD
LED0-
LED2
VSS2
VDD2
C1
C0
C2
C3/LED0
C4/LED1
C5/LED2
VSS1
Switch
Matrix
Serial Interface and
Control Logic
Interrupt and GPIO Logic
500 kHz
Excitation
Source
Calibration
RAM
Control and
Data Registers
LDS6023
Power-On
Reset Logic
Calibration
Engine
Sigma-Delta
CDC
INTB
GPIO
CSB/
A0
SCLK/
SCL
SDI/
A1
SD0/
SDA
LED Driver
Current Sources
Figure 1. LDS6023 block diagram
1
IDT LDS6023 PurETOuCH CaPaCITanCE TOuCH IC
LDS6023 Features
Versatile, accurate capacitance-
to-digital converter (CDC)
500kHzsigma-deltaCDC
6capacitancesensorinputchannels
2msupdaterateperactivesensor
Integrated keypad LED drivers
C3-C5sensorinputsconfigurable
as keypad LED drivers
7.75mAmaximumdrivingcurrent
(up to 23 ma available by connecting
multiple outputs to a single LED)
Flexibledimmingcontrol
Processor-freesynchronizationwith
touch events
Integrated, automatic
calibration algorithms
Environmentalcompensation
On-chipRAMtostorecalibrationdata
Integrated touch preference modes
Strongestsingletouch
Strongesttwotouches
Unrestricted(all)touches
Ultra-low touch sensor
power consumption*
Operatingmode(typical):
<150 uW (VDD1=1.8V)
Shutdownmode(typical):
<1 uW (VDD1=1.8V)
* Excludes LED driver current and I/F and voltage
dependent V
DDIO current
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LDS6023PYGI8 | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 TOUCH CONTROLLER RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| LDS6025 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:PureTouch? Capacitance Touch IC with Integrated Keypad LED Drivers |
| LDS6025NQGI | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 TOUCH CONTROLLER RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| LDS6025NQGI8 | 制造商:Integrated Device Technology Inc 功能描述:Capacitance Touch IC 28-Pin VFQFPN T/R 制造商:Integrated Device Technology Inc 功能描述:NQG28 - Tape and Reel 制造商:Integrated Device Technology Inc 功能描述:TOUCH CONTROLLER |
| LDS6025PYGI | 功能描述:電容觸摸傳感器 TOUCH CONTROLLER RoHS:否 制造商:Microchip Technology 電源電壓: 通道數(shù)量: 封裝 / 箱體: 尺寸: 溫度范圍: |
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