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MK712RLF PDF预览

MK712RLF

更新时间: 2024-02-01 03:21:35
品牌 Logo 应用领域
艾迪悌 - IDT 消费电路商用集成电路光电二极管控制器PC
页数 文件大小 规格书
21页 408K
描述
TOUCH SCREEN CONTROLLER

MK712RLF 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOIC-28针数:28
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.81
Is Samacsys:N商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:R-PDSO-G28JESD-609代码:e3
长度:18.05 mm湿度敏感等级:1
功能数量:1端子数量:28
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP28,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.3/5 V认证状态:Not Qualified
座面最大高度:2.65 mm子类别:Other Consumer ICs
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):3 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:Matte Tin (Sn) - annealed端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.5 mm
Base Number Matches:1

MK712RLF 数据手册

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DATASHEET  
TOUCH SCREEN CONTROLLER  
MK712  
Description  
Features  
The MK712 Touch Screen Controller IC provides all the  
screen drive, A to D converter and control circuits to easily  
interface to 4-wire analog resistive touch screens.  
Packaged in 28-pin SSOP (150 mil) or 28-pin SOIC (300  
mil)  
Industrial (-30°C to +70°C) and commercial (0 to +70°C)  
and automotive (-35°C to +85°C) temperature ranges  
The IC continually monitors the screen waiting for a touch.  
In this mode, the supply current is typically 0.5µA. When  
the screen is touched, the IC performs analog to digital  
conversions to determine the location of the touch, stores  
the X and Y locations in the registers, and issues an  
interrupt. This process is repeated up to 197 times per  
second until no further screen touches are detected, at  
which time the low current mode is resumed.  
Pb (lead) free  
Fully integrated, lowest power solution  
Low standby current of 0.5µA (typical) at 5.0 V  
Active current while converting less than 10 mA  
Resolves 350 dots/inch on 10.5” display  
Maximum speed of 197 points/second  
Ratio metric conversion may eliminate screen calibration  
Automatically wakes up and goes back to standby  
3.3 V or 5 V supply  
Block Diagram  
12 bit A/D converter  
Simplifies the writing of software for touch screens  
Extended temperature range available  
Capacitors are the only external components required  
Touch screen is directly driven - no external transistors  
are required  
Programmable conversion rate  
A to D Converter is monotonic  
Parallel interface  
Pin Assignment  
NC  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
D0  
INT  
2
D1  
TOUCH  
VDD  
VDD  
XH  
3
D2  
4
D3  
5
D4  
6
D5  
XL  
7
VDD  
GND  
D6  
YH  
8
YL  
9
10  
11  
12  
13  
14  
GND  
GND  
WR  
D7  
CLKIN  
A0  
RD  
A1  
CS  
A2  
IDT™ TOUCH SCREEN CONTROLLER  
1
MK712  
REV N 051310  

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