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AK4181AVT PDF预览

AK4181AVT

更新时间: 2024-02-01 13:30:32
品牌 Logo 应用领域
AKM 商用集成电路光电二极管控制器
页数 文件大小 规格书
17页 188K
描述
TOUCH SCREEN CONTROLLER

AK4181AVT 技术参数

生命周期:Contact Manufacturer零件包装代码:TSSOP
包装说明:TSSOP,针数:16
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.7商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:R-PDSO-G16长度:5 mm
功能数量:1端子数量:16
最高工作温度:70 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
认证状态:Not Qualified座面最大高度:1.1 mm
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):2.7 V
表面贴装:YES温度等级:OTHER
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL宽度:4.4 mm
Base Number Matches:1

AK4181AVT 数据手册

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ASAHI KASEI  
[AK4181A]  
Touch Screen Controller  
AK4181A  
General Description:  
Features:  
The AK4181A is a 4-wire touch screen controller that  
incorporates a 12-bit 125kHz sampling SAR A/D converter.  
The AK4181A can detect the pressed screen location by  
performing two A/D conversions. In addition to location, the  
AK4181A also measures touch screen pressure.  
On-chip VREF can be utilized for two analog auxiliary  
inputs and battery monitoring, with the ability to measure  
voltages from 0V to 5V.  
„ Sampling Frequency: 125kHz(max)  
„ Pen Pressure Measurement  
„ On-Chip Thermo Sensor  
„ Two Auxiliary Analog Inputs  
„ Direct Battery Measurement  
„ 4-wire I/F  
„ On-Chip Voltage Reference (2.5V)  
„ 12 bit SAR type A/D Converter with S/H circuit  
„ Low Power Consumption (250µA)  
„ Low Voltage Operation (2.7V - 3.6V)  
The AK4181A also has an on-chip temperature sensor.  
„ Package  
16pin TSSOP  
DCLK  
CSN  
XP  
YP  
XN  
DIN  
Control  
Logic  
DOUT  
YN  
BUSY  
VREF  
IN1  
Internal VREF(2.5V)  
IN2  
VBAT  
R1  
R2  
VREF+  
AIN+  
VREF-  
12bit  
ADC  
(SAR type)  
AIN-  
PENIRQN  
PEN  
INTERRUPT  
Temp.  
Sensor  
VCC  
GND  
Block Diagram  
MS0313-E-00  
1
2004/06  

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