4-wire Touch Screen Controller

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 features of direct battery measurement, temperature measurement, 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 measurement 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 packages and is specified over the ?40C to +85C temperature range.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
ADS7846E Texas Instruments 4-wire Touch Screen Controller 16-SSOP -40 to 85
ADS7846N/2K5 Texas Instruments 4-wire Touch Screen Controller 16-TSSOP -40 to 85
ADS7846EG4 Texas Instruments 4-wire Touch Screen Controller 16-SSOP -40 to 85
ADS7846IGQCR Texas Instruments 4-wire Touch Screen Controller 48-BGA MICROSTAR JUNIOR -40 to 85
ADS7846IRGVTG4 Texas Instruments 4-wire Touch Screen Controller 16-VQFN -40 to 85
ADS7846N Texas Instruments 4-wire Touch Screen Controller 16-TSSOP -40 to 85
ADS7846E/2K5G4 Texas Instruments 4-wire Touch Screen Controller 16-SSOP -40 to 85
ADS7846NG4 Texas Instruments 4-wire Touch Screen Controller 16-TSSOP -40 to 85
ADS7846E/2K5 Texas Instruments 4-wire Touch Screen Controller 16-SSOP -40 to 85
ADS7846N/2K5G4 Texas Instruments 4-wire Touch Screen Controller 16-TSSOP -40 to 85
ADS7846 's PackagesADS7846 's pdf datasheet
ADS7846E SSOP
ADS7846E-2K5 SSOP
ADS7846E-2K5G4 SSOP
ADS7846EG4 SSOP
ADS7846IGQCR BGA
ADS7846IRGVR QFN
ADS7846IRGVRG4 QFN
ADS7846IRGVT QFN
ADS7846IRGVTG4 QFN
ADS7846N TSSOP
ADS7846N-2K5 TSSOP
ADS7846N-2K5G4 TSSOP
ADS7846NG4 TSSOP




ADS7846 Pinout, Pinouts
ADS7846 pinout,Pin out
This is one package pinout of ADS7846,If you need more pinouts please download ADS7846's pdf datasheet.

ADS7846 Application circuits
ADS7846 circuits
This is one application circuit of ADS7846,If you need more circuits,please download ADS7846's pdf datasheet.


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