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参数资料
| 型号： | MK712SLFTR |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 1/21页 |
| 文件大小： | 0K |
| 描述： | IC TOUCH SCREEN CTLR 28-SOIC |
| 标准包装： | 1,000 |
| 类型： | 电阻 |
| 触摸面板接口： | 4 线 |
| 输入数/键： | 1 TSC |
| 分辨率（位）： | 12 b |
| 数据接口： | 并联 |
| 电源电压： | 3 V ~ 5.5 V |
| 电流 - 电源： | 5mA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC |
| 包装： | 带卷 (TR) |
DATASHEET
TOUCH SCREEN CONTROLLER
MK712
IDT TOUCH SCREEN CONTROLLER
1
MK712
REV N 051310
Description
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.
The IC continually monitors the screen waiting for a touch.
In this mode, the supply current is typically 0.5A. 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.
Block Diagram
Features
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
Pb (lead) free
Fully integrated, lowest power solution
Low standby current of 0.5A (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
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
18
7
17
8
16
9
15
XL
10
YH
11
YL
12
GND
13
GND
14
GND
D6
D7
CLKIN
WR
A0
A2
RD
A1
22
21
20
19
CS
VDD
5
6
VDD
XH
D5
24
23
D4
3
4
TOUCH
VDD
D3
26
25
D2
1
2
NC
INT
D1
28
27
D0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MK712STR | 功能描述:IC TOUCH SCREEN CTLR 28-SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - 触摸屏控制器 系列:- 标准包装:96 系列:- 类型:- 触摸面板接口:- 输入数/键:- 分辨率（位）:- 评估套件:* 数据接口:- 数据速率/采样率 (SPS，BPS):- 电压基准:- 电源电压:- 电流 - 电源:- 工作温度:- 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| MK715 | 制造商:ICS 制造商全称:ICS 功能描述:Touch Screen Controller |
| MK7151F | 制造商:Ohmite Mfg Co 功能描述: |
| MK715R | 制造商:ICS 制造商全称:ICS 功能描述:Touch Screen Controller |
| MK715RTR | 制造商:ICS 制造商全称:ICS 功能描述:Touch Screen Controller |
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