Product Summary

The ADS7846E is a touch screen controller. It is a next-generation version to the industry standard ADS7843 4-wire touch screen controller. The ADS7846E 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.

Parametrics

ADS7846E absolute maximum ratings: (1)+VCC to GND: –0.3V to +6V; (2)Analog Inputs to GND: –0.3V to +VCC + 0.3V; (3)Digital Inputs to GND: –0.3V to +VCC + 0.3V; (4)Power Dissipation: 250mW; (5)Maximum Junction Temperature: +150℃; (6)Operating Temperature Range: –40℃ to +85℃; (7)Storage Temperature Range: –65℃ to +150℃; (8)Lead Temperature (soldering, 10s): +300℃.

Features

ADS7846E features: (1)same pinout as ADS7843; (2)2.2V to 5.25V operation; (3)internal 2.5V reference; (4)direct battery measurement (0V to 6V); (5)on-chip temperature measurement; (6)touch-pressure measurement; (7)qspitm/spitm 3-wire interface; (8)auto power-down; (9)TSSOP-16, SSOP-16, QFN-16, and VFBGA-48 packages.

Diagrams

ADS7846E block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
ADS7846E
ADS7846E
Texas Instruments
Touch Screen Converters & Controllers 4-wire Touch Screen Controller
Data Sheet
0-1: $3.61
1-25: $3.30
25-100: $2.64
100-250: $2.30
ADS7846E/2K5
ADS7846E/2K5
Texas Instruments
Touch Screen Converters & Controllers 4-wire Touch Screen Controller
Data Sheet
0-1900: $1.62
1900-2000: $1.60
2000-2500: $1.60
ADS7846EG4
ADS7846EG4
Texas Instruments
Touch Screen Converters & Controllers 4-wire Touch Screen Controller
Data Sheet
0-1: $3.57
1-25: $3.26
25-100: $2.64
100-250: $2.30
ADS7846E/2K5G4
ADS7846E/2K5G4
Texas Instruments
Touch Screen Converters & Controllers 4-wire Touch Screen Controller
Data Sheet
0-1900: $1.62
1900-2000: $1.60
2000-2500: $1.60