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參數(shù)資料
| 型號： | MAX11801EVKIT+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 8/59頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVAL TOUCH SCREEN |
| 其它有關(guān)文件： | Automotive Product Guide |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 接口，觸摸屏控制器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | MAX11801 |
| 主要屬性： | 圖形用戶界面（GUI） |
| 次要屬性： | USB，I2C接口 |
| 已供物品： | 板 |
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MAX11800–MAX11803
Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I2C/SPI Interface
16
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Detailed Description
The MAX11800–MAX11803 contain standard features
found in a typical resistive touch-screen controller as
well as advanced features found only on Maxim touch-
screen controllers. Standard features included in the
MAX11800–MAX11803 are:
4-wire touch-screen interface
X/Y coordinate measurement
Touch pressure measurement
Direct conversion operation—requires direct AP
involvement
Single commands—AP initiates all activity, one
command at a time
Ratiometric measurement
12-bit SAR ADC
Single 1.7V to 3.6V supply
Programmable touch-detect pullup—50kΩ or
100k
Ω
Auto power-down control for low-power operation
Advanced features found in the MAX11800/MAX11801
include:
Autonomous conversion operation—minimal AP
involvement
On-chip FIFO—buffers up to 16 consecutive mea-
surements
Data tagging—records measurement and touch-
event information
Filtering—reduces noise using straight or median
averaging
Aperture mode—provides spatial filtering
Combined commands—multiple operations per-
formed with a single AP command
User-programmable acquisition modes
Programmable interrupt output drive
Advanced features found in the MAX11802/MAX11803
include:
Data tagging—records measurement and touch
event information
Filtering—reduces noise using straight or median
averaging
Combined commands—multiple operations per-
formed with a single AP command
User-programmable acquisition modes
Programmable interrupt output drive
The MAX11800/MAX11801 operate in one of two top-
level modes: direct conversion mode (DCM) or
autonomous conversion mode (ACM). Direct conver-
sion mode requires the AP to initiate all activity to and
from the MAX11800/MAX11801. DCM is the operating
mode that most standard resistive touch-screen con-
trollers use. ACM allows the MAX11800/MAX11801 to
perform measurements automatically and inform the AP
when they are complete, reducing data transfers on the
serial bus as well as generating fewer interrupt
requests. The MAX11802/MAX11803 operate in DCM
only. DCM requires the AP to initiate all activity to and
from the MAX11802/MAX11803. DCM is the operating
mode that most standard resistive touch-screen con-
trollers use.
Both DCM and ACM support averaging, data tagging,
and combined commands. Certain commands and
operations are only available in DCM, while others are
only available in ACM. See Figures 3a and 3b and
Table 2 for details.
Position Measurements
Position measurements determine either the X or Y
coordinates of the point of contact on the panel sensor.
Allow adequate time for the panel to settle when switch-
ing between X and Y measurements. Figure 4 shows
the physical setup of the panel when performing posi-
tion measurements.
The element RTOUCH represents the resistance between
the X and Y planes of the panel sensor. RTOUCH does
not contribute to the error when performing position
measurements. RTOUCH affects the panel settling time
required between each valid measurement.
The panel end-to-end resistance in the direction of
measurement determines the power applied across the
panel. The panel dissipates power in the X elements
when performing an X direction measurement and dis-
sipates power in the Y elements when performing a Y
direction measurement.
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| MAX11080EVKIT | KIT FAULT MONITOR 12CH HV |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX11801EVKIT+ | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX11801 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| MAX11801EWC+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX11801EWC+T | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 I2C 4Ch Touch Screen 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 |
| MAX11801GTC/V+ | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 I2C 4Ch Touch Screen 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 |
| MAX11801GTC/V+T | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 I2C 4Ch Touch Screen 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 |
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