BurrBrown Products

from Texas Instruments

®

TSC2007

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

SBAS405 – MARCH 2007

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

• Cellular Phones

• 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

–

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

–

TSC2003 Compatible

supply voltage as low as 1.2V, which can be

–

8- or 12-Bit Resolution

supplied by a single-cell battery. It contains a

• On-Chip Temperature Measurement

complete, ultra-low power, 12-bit, analog-to-digital

(A/D) resistive touch screen converter, including

• Touch Pressure Measurement

drivers and the control logic to measure touch

• Digital Buffered PENIRQ

pressure.

• On-Chip, Programmable PENIRQ Pullup

In addition to these standard features, the TSC2007

• Auto Power-Down Control

offers

preprocessing

of

the

touch

screen

• Low Power:

measurements to reduce bus loading, thus reducing

the consumption of host processor resources that

–

32.24

µA at 1.2V, Fast Mode, 8.2kHz Eq Rate

can then be redirected to more critical functions.

–

39.31

µA at 1.8V, Fast Mode, 8.2kHz Eq Rate

–

53.32

µA at 2.7V, Fast Mode, 8.2kHz Eq Rate

transmission protocol in all three defined modes:

• Enhanced ESD Protection:

standard,

fast,

and

high-speed.

It

offers

–

±8kV HBM

programmable

resolution

of

8

or

12

bits

to

accommodate

different

screen

sizes

and

–

±1kV CDM

performance needs.

–

±25kV Air Gap Discharge

The

TSC2007

is

available

in

a

12-lead,

–

±15kV Contact Discharge

(1.555

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

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

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

Packages

TSSOP package. The TSC2007 is characterized for

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

the –40

°C to +85°C industrial temperature range.

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.

Copyright © 2007, 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.