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AK4185ECB PDF预览

AK4185ECB

更新时间: 2024-11-03 06:36:51
品牌 Logo 应用领域
AKM 消费电路商用集成电路控制器
页数 文件大小 规格书
27页 524K
描述
Low Power Touch Screen Controller with SPI™ Interface

AK4185ECB 技术参数

生命周期:Obsolete零件包装代码:BGA
包装说明:FBGA,针数:12
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.84Is Samacsys:N
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:R-PBGA-B12
长度:1.96 mm功能数量:1
端子数量:12最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:FBGA封装形状:RECTANGULAR
封装形式:GRID ARRAY, FINE PITCH认证状态:Not Qualified
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):1.6 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:BALL端子节距:0.5 mm
端子位置:BOTTOM宽度:1.46 mm
Base Number Matches:1

AK4185ECB 数据手册

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[AK4185]  
AK4185  
Low Power Touch Screen Controller with SPI™ Interface  
GENERAL DESCRIPTION  
The AK4185 is a 4-wire/ 5-wire resistive touch screen controller that incorporates 12bit SAR A/D  
converter. The AK4185 operates down to 1.6V supply voltage in order to connect a low voltage  
microprocessor. The AK4185 can detect the pressed screen location by performing two A/D conversions  
and it can also measure touch pressure. The AK4185 is the best fit for cellular phone, DSC, DVC, smart  
phone, or other portable devices.  
FEATURES  
„ 4-wire or 5-wire Touch Screen Interface  
„ SPITM Serial Interface  
„ 12bit SAR A/D Converter with S/H circuit  
„ Sampling Frequency: 300Ksps  
„ Pen Pressure Measurement (4-wire)  
„ Continuous Read Function (External Clock Mode)  
„ Integrated Internal Osc (Sequence Mode)  
„ Low Voltage Operation: VDD = 1.6V ~ 3.6V  
„ PENIRQN Buffer Output  
„ Low Power Consumption: 240μA at 1.8V  
„ Auto Power Down  
„ Package: 12pin CSP (1.96mm x 1.46mm, pitch 0.5mm)  
„ Software Compatible with AK4182A  
VDD  
CSN  
DIN  
XP/BR  
YP/TR  
4/5wire  
Touch  
Screen  
Drivers  
Interface  
SPI  
Serial I/F  
&
VREF+  
AIN+  
AIN-  
SAR  
ADC  
SCLK  
Control  
Logic  
XN/TL  
YN/BL  
MUX  
DOUT  
VREF-  
IN/  
WIPER  
PENIRQN  
TEMP  
Internal  
Osc  
VSS  
Figure 1. Block Diagram  
SPITM is a registered trademark of Motorola, Inc.  
MS0954-E-00  
2008/05  
- 1 -  

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