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ADS7846TI/BBN/a5avaiTOUCH-SCREEN CONTROLLER
ADS7846EBBN/a14067avaiTOUCH-SCREEN CONTROLLER
ADS7846E/2K5G4 |ADS7846E2K5G4TIN/a213avaiTOUCH-SCREEN CONTROLLER
ADS7846EG4TI/BBN/a197avai4-wire Touch Screen Controller 16-SSOP -40 to 85
ADS7846IRGVTTIN/a12774avai4-wire Touch Screen Controller
ADS7846IRGVTBBN/a10avai4-wire Touch Screen Controller
ADS7846NTI/BBN/a49avaiTouch Screen Controller
ADS7846N . |ADS7846NBB/TIN/a153avaiTouch Screen Controller
ADS7846N/2K5G4 |ADS7846N2K5G4TIN/a2395avai4-wire Touch Screen Controller
ADS7846NG4TI/BBN/a466avai4-wire Touch Screen Controller 16-TSSOP -40 to 85


ADS7846E ,TOUCH-SCREEN CONTROLLERPIN CONFIGURATIONTop View VFBGATop View SSOP, TSSOPDCLK CS DIN BUSY DOUT+V 1 16 DCLKCC1 2 3 4 5 6 7 ..
ADS7846E/2K5G4 ,TOUCH-SCREEN CONTROLLERFEATURES* SAME PINOUT AS ADS7843The ADS7846 is a next-generation version to the industrystandard AD ..
ADS7846EG4 ,4-wire Touch Screen Controller 16-SSOP -40 to 85PIN CONFIGURATIONTop View VFBGATop View SSOP, TSSOPDCLK CS DIN BUSY DOUT+V 1 16 DCLKCC1 2 3 4 5 6 7 ..
ADS7846I , TOUCH SCREEN CONTROLLER
ADS7846I , TOUCH SCREEN CONTROLLER
ADS7846IRGVR ,Brown Corporation - TOUCH-SCREEN CONTROLLER
ALM-1612-TR1G , GPS LNA-Filter Front-End Module Exceptional Cell/PCS-Band rejection
ALP101 , 30 mm Actuator Lock Plate ALP101
ALS175 , HEX/QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR
ALS175 , HEX/QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR
ALS300 , Media Audio Controller SPEC
ALS300 , Media Audio Controller SPEC


ADS7846-ADS7846E-ADS7846E/2K5G4-ADS7846EG4-ADS7846IRGVT-ADS7846N-ADS7846N .-ADS7846N/2K5G4-ADS7846NG4
4-wire Touch Screen Controller 16-SSOP -40 to 85
FEA TURES SAME PINOUT AS ADS7843 2.2V TO 5.25V OPERATION INTERNAL 2.5V REFERENCE DIRECT BATTERY MEASUREMENT (0V to 6V) ON-CHIP TEMPERATURE MEASUREMENT TOUCH-PRESSURE MEASUREMENT QSPITM /SPITM 3-WIRE INTERFACE AUTO POWER-DOWN TSSOP-16, SSOP-16, QFN-16,
AND VFBGA-48 PACKAGES
APPLICATIONS
PERSONAL DIGITAL ASSISTANTS PORTABLE INSTRUMENTS POINT-OF-SALE TERMINALS PAGERS TOUCH SCREEN MONITORS CELLULAR PHONES
TOUCH SCREEN CONTROLLER
DESCRIPTION

The ADS7846 is a next-generation version to the industry
standard ADS7843 4-wire touch screen controller. The
ADS7846 is 100% pin-compatible with the existing ADS7843,
and drops into the same socket. This allows for easy upgrade
of current applications to the new version. Only software
changes are required to take advantage of the added fea-
tures of direct battery measurement, temperature measure-
ment, and touch-pressure measurement. The ADS7846 also
has an on-chip 2.5V reference that can be used for the
auxiliary input, battery monitor, and temperature measure-
ment modes. The reference can also be powered down when
not used to conserve power. The internal reference operates
down to 2.7V supply voltage while monitoring the battery
voltage from 0V to 6V.
The low-power consumption of < 0.75mW (typ at 2.7V,
reference off), high speed (up to 125kHz clock rate), and on-
chip drivers make the ADS7846 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 ADS7846 is available in the
small TSSOP-16, SSOP-16, QFN-16, and VFBGA-48 pack-
ages and is specified over the –40°C to +85°C temperature
range.
ADS7846

SBAS125H – SEPTEMBER 1999 – REVISED JANUARY 2005
US Patent No. 6246394
QSPI and SPI are registered trademarks of Motorola.
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.
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