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TSC2046E-Q1 Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza TSC2046E-Q1
Descripción Electrónicos  LOW-VOLTAGE I/O TOUCH SCREEN CONTROLLER
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TSC2046E-Q1 Datasheet(HTML) 1 Page - Texas Instruments

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PW PACKAGE
(TOP VIEW)
DCLK
CS
DIN
BUSY
DOUT
PENIRQ
IOVDD
V
REF
+V
CC
X+
Y+
X–
Y–
GND
V
BAT
AUX
TSC2046E-Q1
www.ti.com
SBAS510 – JUNE 2010
LOW-VOLTAGE I/O TOUCH SCREEN CONTROLLER
Check for Samples: TSC2046E-Q1
1
FEATURES
APPLICATIONS
Touch Screen Monitors
234
Qualified for Automotive Applications
Same Pinout as ADS7846
2.2-V to 5.25-V Operation
1.5-V to 5.25-V Digital I/O
Internal 2.5-V Reference
Direct Battery Measurement (0 V to 6 V)
On-Chip Temperature Measurement
Touch-Pressure Measurement
QSPI™ and SPI™ 3-Wire Interface
Auto Power-Down
Exceeds IEC 61000-4-2 ESD Requirements
±15kV Contact Discharge
No External Components Needed
Available In a TSSOP-16 (PW) Package
DESCRIPTION
The TSC2046E is the next-generation version of the ADS7846 4-wire touch screen controller, supporting a
low-voltage I/O interface from 1.5 V to 5.25 V. The TSC2046E is 100% pin-compatible with the existing
ADS7846, and drops into the same socket. This design allows for an easy upgrade of current applications to the
new version. The TSC2046E also has an on-chip 2.5-V reference that can be used for the auxiliary input, battery
monitor, and temperature measurement modes. The reference can also be powered down when not used to
conserve power. The internal reference operates down to a supply voltage of 2.7 V, while monitoring the battery
voltage from 0 V to 6 V.
The low power consumption of less than 0.75 mW (typ) at 2.7 V (reference off), high-speed (up to 125-kHz
sample rate), and on-chip drivers make the TSC2046E an ideal choice for battery-operated systems such as
personal digital assistants (PDAs) with resistive touch screens, pagers, cellular phones, and other portable
equipment. The TSC2046E is available in a TSSOP-16 package and is specified over the -40°C to +125°C
temperature range.
ORDERING INFORMATION(1)
TA
PACKAGE
ORDERABLE PART NUMBER
TOP-SIDE MARKING
-40°C to 125°C
TSSOP - PW
Reel of 2000
TSC2046EQPWRQ1
T2046EQ
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
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
QSPI, SPI are trademarks of Motorola Inc.
3
Microwire is a trademark of National Semiconductor Corporation.
4
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2010, 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.


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