Controllers with I2C/SP" />
參數(shù)資料
型號: MAX11803ETC+T
廠商: Maxim Integrated Products
文件頁數(shù): 15/59頁
文件大?。?/td> 0K
描述: IC TOUCH SCREEN CTLR 12-TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: 電阻
觸摸面板接口: 4 線
輸入數(shù)/鍵: 1 TSC
分辨率(位): 12 b
數(shù)據(jù)接口: I²C,串行
數(shù)據(jù)速率/采樣率 (SPS,BPS): 105k
電源電壓: 1.7 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 12-WQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 12-TQFN-EP(4x4)
包裝: 帶卷 (TR)
MAX11800–MAX11803
Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I2C/SPI Interface
22
______________________________________________________________________________________
TOUCH DETECT
PUR MODE
(OPTIONAL)
PUF MODE
SCAN MODE
MEASUREMENT COMPLETE—
DATA IS KNOWN
POWER ASSISTED PULLUP PERIOD (10
Ω)
PANEL IS ALLOWED TO RESETTLE BEFORE
DETERMINING DATA VALIDITY
IS THERE A TOUCH?
YES = LPM.
NO = TDM.
MEASUREMENT COMPLETE—
DATA IS KNOWN
PANEL IS ALLOWED TO RESETTLE BEFORE DETERMINING DATA VALIDITY
(THROUGH 50k
Ω/100kΩ PULLUP)
IS THERE A TOUCH?
YES = LPM.
NO = TDM.
DATA VALIDITY IS DETERMINED
(DATA IS TAGGED)
DATA VALIDITY IS DETERMINED
(DATA IS TAGGED)
INITIAL INPUT VOLTAGE
DETERMINED BY LAST SCAN
ACTIVITY
INITIAL INPUT VOLTAGE
DETERMINED BY LAST SCAN
ACTIVITY
FORCED FAST PULLUP USING
10
Ω SWITCH
TOUCH NOT PRESENT: TSC INPUT
REMAINS HIGH
TOUCH PRESENT:
TSC INPUT PULLED LOW
TOUCH NOT PRESENT:
TSC INPUT PULLED HIGH THROUGH 50k
Ω/100kΩ PULLUP
TOUCH PRESENT:
TSC INPUT PULLED LOW BY PANEL
TIME
TSC
INPUT
DIGITAL WAVEFORM
ANALOG WAVEFORM
TIME
DIGITAL WAVEFORM
ANALOG WAVEFORM
NORMAL TOUCH DETECTION
(NOTE: NO PUR PERIOD; ALLOW LONG PULLUP TIMES)
FAST PULLUP TOUCH DETECTION
(NOTE: INCREASED CURRENT IN PUR MODE DURING TOUCH)
VDD
TSC
INPUT
VDD
TOUCH DETECT
PUF MODE
SCAN MODE
Figure 7. Touch-Detection Operations
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MAX11803EWC+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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MAX1180ECM-T 制造商:Maxim Integrated Products 功能描述:- Tape and Reel