Datasheet > TSC2014_14

TSC2014_14

更新时间： 2024-11-27 02:58:47

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
7页	435K
描述
1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire TOUCH SCREEN CONTROLLER with I2Câ¢ Interface

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TSC2014_14 数据手册

TSC2014

www.ti.com

SBAS522 –SEPTEMBER 2010

1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire

TOUCH SCREEN CONTROLLER with I²C™ Interface

Check for Samples: TSC2014

FEATURES

APPLICATIONS

•

Cellular Phones

•

4-Wire Touch Screen Interface

Portable Instruments

MP3 Players, Pagers

Multiscreen Touch Control

•

Ratiometric Conversion

•

Single 1.2V to 3.6V Supply

Preprocessing to Reduce Bus Activity

High-Speed I²C-Compatible Interface

Internal Detection of Screen Touch

DESCRIPTION

The TSC2014 is a very low-power touch screen

controller designed to work with power-sensitive,

handheld applications that are based on advanced

low-voltage processors. It works with a supply voltage

as low as 1.2V, which can be supplied by a

–

10-Bit or 12-Bit Resolution

Sampling Rates

System Timing

single-cell battery. It contains

complete,

•

On-Chip Temperature Measurement

Touch Pressure Measurement

Auto Power-Down Control

Low Power:

ultralow-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 TSC2014

offers

preprocessing of

the touch screen

–

430mW at 1.8V, 50SSPS

measurements to reduce bus loading, thus reducing

the consumption of host processor resources that can

then be redirected to more critical functions.

The TSC2014 supports an I²C serial bus and data

transmission protocol in all three defined modes:

320mW at 1.6V, 50SSPS

190mW at 1.2V, 50SSPS

58mW at 1.6V, 8.2kSPS Eq. Rate

37mW at 1.2V, 8.2kSPS Eq. Rate

standard,

fast,

and

high-speed.

offers

•

Enhanced ESD Protection:

programmable resolution of 10 or 12 bits to

accommodate different screen sizes and performance

needs.

–

±8kV HBM

±1kV CDM

±25kV Air Gap Discharge

±11kV Contact Discharge

The TSC2014 is available in a miniature, 12-lead,

3 x 4 array, (1.555 ±0.055)mm x (2.055 ±0.055)mm

wafer chip-scale package (WCSP) package. The

device is characterized for the –40°C to +85°C

industrial temperature range.

1.5 x 2.0 WCSP-12 Package

U.S. Patent No. 6,246,394; other patents pending.

PENIRQ

PINTDAV

DAV

VDD/REF

X+

Touch

SCL

X-

Y+

Y-

Screen

Drivers

I²C

SAR

ADC

Interface

Mux

SDA

AD0

Serial

Interface

and

TEMP

Control

AUX

Internal

Clock

RESET

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.

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

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与TSC2014_14相关器件

型号	品牌	获取价格	描述	数据表
TSC2014IYZGR	TI	获取价格	1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire TOUCH
TSC2014IYZGT	TI	获取价格	1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire TOUCH
TSC2017	TI	获取价格	12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN
TSC2017_14	TI	获取价格	12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN
TSC2017IYZGR	TI	获取价格	12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN
TSC2017IYZGT	TI	获取价格	12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN
TSC2020	TRACOPOWER	获取价格	DC/DC Converter
TSC2020IRTVR	TI	获取价格	SPECIALTY ANALOG CIRCUIT, PQCC32, 5 X 5 MM, 0.75 MM HEIGHT, GREEN, PLASTIC, QFN-32
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

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