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参数资料
| 型号： | MK712SLFTR |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 21/21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) |
MK712
TOUCH SCREEN CONTROLLER
TOUCH SCREEN CONTROL
IDT TOUCH SCREEN CONTROLLER
9
MK712
REV N 051310
Analog to Digital Converter Option
The 12-bit ADC converts X and Y co-ordinates at a rate determined by registers 6 and 7. The converter uses a
ratiometric technique to give absolute co-ordinates on the screen, largely independent of variations in screen
resistance, temperature or power supply voltage. The total voltage applied across the screen is defined as full-scale
for the converter (i.e. 4095) and any point touched on the screen is proportional to this. For example, if the screen
is touched exactly in the center, the converter will read 2047. This feature may allow for the elimination of calibration
upon startup.
However, the full scale voltage is defined at the IC pins and so any parasitic interconnect resistance will be included
in full scale. In addition, the interconnect resistances on the screen also account for about 20% of the total
resistance. This means that approximately the bottom 10% and top 10% of full scale are inaccessible.
The converter is guaranteed to be monotonic, with no missing codes.
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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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