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TSC2007I

更新时间： 2024-11-27 02:58:23
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
39页 787K
描述
1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with I2C Interface

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TSC2007I 数据手册

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TSC2007-Q1  
www.ti.com  
SBAS545 –SEPTEMBER 2011  
1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire  
Micro TOUCH SCREEN CONTROLLER with I2C™ Interface  
Check for Samples: TSC2007-Q1  
1
FEATURES  
23  
•
Qualified for Automotive Applications  
4-Wire Touch Screen Interface  
Single 1.2 V to 3.6 V Supply/Reference  
Ratiometric Conversion  
•
Low Power:  
•
–
–
–
32.24 μA at 1.2 V, Fast Mode, 8.2 kHz Eq  
Rate  
•
•
•
39.31 μA at 1.8 V, Fast Mode, 8.2 kHz Eq  
Rate  
Effective Throughput Rate:  
53.32 μA at 2.7 V, Fast Mode, 8.2 kHz Eq  
–
Up to 20 kHz (8-Bit) or 10 kHz (12-Bit)  
Rate  
•
•
Preprocessing to Reduce Bus Activity  
I2C Interface Supports:  
•
•
Enhanced ESD Protection:  
–
–
–
–
±8 kV HBM  
–
Standard, Fast, and High-Speed Modes  
±1 kV CDM  
•
Simple, Command-Based User Interface:  
±25 kV Air Gap Discharge  
±15 kV Contact Discharge  
–
–
TSC2003-Q1 Compatible  
8- or 12-Bit Resolution  
5 x 6.4 TSSOP-16 Package  
•
•
•
•
•
On-Chip Temperature Measurement  
Touch Pressure Measurement  
Digital Buffered PENIRQ  
U.S. Patent NO. 6246394; other patents pending.  
APPLICATIONS  
On-Chip, Programmable PENIRQ Pull-Up  
Auto Power-Down Control  
•
•
Media Players  
Multiscreen Touch Control Systems  
DESCRIPTION  
The TSC2007-Q1 is a very low-power touch screen controller designed to work with power-sensitive, handheld  
applications that are based on an advanced low-voltage processor. It works with a supply voltage as low as 1.2V,  
which can be supplied by a single-cell battery. It contains a complete, ultra-low power, 12-bit, analog-to-digital  
(A/D) resistive touch screen converter, including drivers and the control logic to measure touch pressure.  
In addition to these standard features, the TSC2007-Q1 offers preprocessing of the touch screen measurements  
to reduce bus loading, thus reducing the consumption of host processor resources that can then be redirected to  
more critical functions.  
The TSC2007-Q1 supports an I2C serial bus and data transmission protocol in all three defined modes: standard,  
fast, and high-speed. It offers programmable resolution of 8 or 12 bits to accommodate different screen sizes and  
performance needs.  
The TSC2007-Q1 is available in a 16-pin TSSOP package. The TSC2007-Q1 is characterized for the –40°C to  
+85°C industrial temperature range.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
I2C is a trademark of NXP Semiconductors.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2011, Texas Instruments Incorporated  
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