参数资料
型号: MAX11801ETC/V+
厂商: Maxim Integrated Products
文件页数: 15/59页
文件大小: 0K
描述: IC TOUCH SCREEN CTRLR LP 12WQFN
其它有关文件: Automotive Product Guide
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
类型: 电阻
触摸面板接口: 4 线
输入数/键: 1 TSC
分辨率(位): 12 b
评估套件: 可供
数据接口: I²C,串行
数据速率/采样率 (SPS,BPS): 105k
电源电压: 1.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 12-WQFN 裸露焊盘
供应商设备封装: 12-TQFN-EP(4x4)
包装: 管件
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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MAX11801EVKIT+ 功能描述:数据转换 IC 开发工具 MAX11801 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
MAX11801EWC+ 制造商:Maxim Integrated Products 功能描述:
MAX11801EWC+T 功能描述:触摸屏转换器和控制器 I2C 4Ch Touch Screen Controller RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20
MAX11801GTC/V+ 功能描述:触摸屏转换器和控制器 I2C 4Ch Touch Screen Controller RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20
MAX11801GTC/V+T 功能描述:触摸屏转换器和控制器 I2C 4Ch Touch Screen Controller RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20