®

TSC2007

1

FEATURES

APPLICATIONS

DESCRIPTION

PENIRQ

I C

Serial

Interface

and

Control

2

SCL

SDA

A[0:1]

X+

X-

Y+

Y-

AUX

TEMP

Mux

VDD/REF

GND

SAR

ADC

Internal

Clock

Touch

Screen

Drivers

Interface

TSC2007

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

• Cellular Phones

23

• 4-Wire Touch Screen Interface

• PDA, GPS, and Media Players

• Single 1.2V to 3.6V Supply/Reference

• Portable Instruments

• Ratiometric Conversion

• Point-of-Sale Terminals

• Effective Throughput Rate:

• Multiscreen Touch Control Systems

–

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

• Preprocessing to Reduce Bus Activity

The TSC2007 is a very low-power touch screen

–

Standard, Fast, and High-Speed Modes

controller designed to work with power-sensitive,

• Simple, Command-Based User Interface:

handheld applications that are based on an advanced

low-voltage processor. It works with a supply voltage

–

TSC2003 Compatible

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

–

8- or 12-Bit Resolution

single-cell battery. It contains a complete, ultra-low

• On-Chip Temperature Measurement

power, 12-bit, analog-to-digital (A/D) resistive touch

screen converter, including drivers and the control

• Touch Pressure Measurement

logic to measure touch pressure.

• Digital Buffered PENIRQ

In addition to these standard features, the TSC2007

• On-Chip, Programmable PENIRQ Pull-Up

offers

preprocessing

of

the

touch

screen

• Auto Power-Down Control

measurements to reduce bus loading, thus reducing

• Low Power:

the consumption of host processor resources that can

then be redirected to more critical functions.

–

32.24

µA at 1.2V, Fast Mode, 8.2kHz Eq Rate

–

39.31

µA at 1.8V, Fast Mode, 8.2kHz Eq Rate

transmission protocol in all three defined modes:

–

53.32

µA at 2.7V, Fast Mode, 8.2kHz Eq Rate

standard,

fast,

and

high-speed.

It

offers

• Enhanced ESD Protection:

programmable

resolution

of

8

or

12

bits

to

–

±8kV HBM

accommodate different screen sizes and performance

needs.

–

±1kV CDM

–

±25kV Air Gap Discharge

The

TSC2007

is

available

in

a

12-lead,

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

–

±15kV Contact Discharge

wafer chip-scale package (WCSP), and a 16-pin,

• 1.5 x 2 WCSP-12 and 5 x 6.4 TSSOP-16

TSSOP package. The TSC2007 is characterized for

Packages

the –40°C to +85°C industrial temperature range.

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

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

I2C is a trademark of NXP Semiconductors.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2007–2009, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.