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TSC2017

更新时间： 2024-11-26 12:47:15

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
38页	728K
描述
12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with I2Câ¢ Interface

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TSC2017 数据手册

TSC2017

www.ti.com

SBAS472 –DECEMBER 2009

12-Bit, Nanopower, 4-Wire

Micro TOUCH SCREEN CONTROLLER with I²C™ Interface

Check for Samples: TSC2017

FEATURES

APPLICATIONS

•

Cellular Phones

PDA, GPS, and Media Players

Portable Instruments

Point-of-Sale Terminals

Multiscreen Touch Control Systems

234

•

4-Wire Touch Screen Interface

Single 1.6V to 3.6V Supply/Reference

Ratiometric Conversion

•

Effective Throughput Rate:

–

Up to 20kHz (8-Bit) or 10kHz (12-Bit)

•

Preprocessing to Reduce Bus Activity

I²C Interface Supports:

DESCRIPTION

The TSC2017 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 1.6V, 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.

–

Standard, Fast, and High-Speed Modes

•

Simple, Command-Based User Interface:

–

TSC2003/TSC2007 Compatible

8- or 12-Bit Resolution

•

On-Chip Temperature Measurement

Touch Pressure Measurement

Digital Buffered PENIRQ

In addition to these standard features, the TSC2017

On-Chip, Programmable PENIRQ Pull-Up

Comprehensive Reset Schemes:

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 TSC2017 supports I²C serial bus and data

transmission protocol in all three defined modes:

–

Power-On, Software, and Hardware Resets

•

Auto Power-Down Control

Low Power (12-Bit):

–

39.31μA at 1.8V, Fast Mode, 8.2kHz Eq Rate

53.32μA at 2.7V, Fast Mode, 8.2kHz Eq Rate

standard,

fast,

and

high-speed.

offers

programmable resolution of

accommodate different screen sizes and performance

needs.

or 12 bits to

•

Enhanced ESD Protection for IEC Testing:

–

±8kV HBM

±1kV CDM

The TSC2017 is available in

12-lead,

(1.555 ±0,055mm) x (2.055 ±0,055mm), 3 x 4 array,

wafer chip-scale package (WCSP). The TSC2017 is

characterized for the –40°C to +85°C industrial

temperature range.

±25kV Air Gap Discharge

±15kV Contact Discharge

•

2.1 x 1.6 WCSP-12 Package

U.S. Patent NO. 6246394; other patents pending.

VDD/REF

PENIRQ

SureSet Control

Touch

X+

X-

Y+

Y-

Screen

Drivers

Interface

I²

SCL

SDA

SSC

Intercept

Logic

SAR

ADC

Serial

Interface

and

STR

Mux

FVNF

TEMP

Control

AUX

Clock

RESET

GND

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.

SureSet is a trademark of Texas Instruments.

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.

12 3 4 5 6 7...38

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TSC2020IRTVT	TI	获取价格	SPECIALTY ANALOG CIRCUIT, PQCC32, 5 X 5 MM, 0.75 MM HEIGHT, GREEN, PLASTIC, QFN-32
TSC2020IYZKR	TI	获取价格	SPECIALTY ANALOG CIRCUIT, PBGA25, 2.50 X 2.50 MM, WCSP-25
TSC-2020OHM5%	VISHAY	获取价格	Fixed Resistor, Wire Wound, 20W, 20ohm, 1000V, 5% +/-Tol, -260,260ppm/Cel
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