BL2046QN Datasheet, PDF (1/21 Pages) SHANGHAI BELLING CO., LTD. – Temperature measurement

BL2046
Low Voltage I/O TOUCH SCREEN CONTROLLER
Features
2.2V to 5.25V operation
1.5V to 5.25V digital I/O
Internal 2.5V reference
4-wire I/F
Programmable 8 or 12 bit Resolution
Direct battery measurement(0V to 6V)
Temperature measurement
Touch-pressure measurement
Available in QFN-16 and TSSOP-16 package
General Description
The BL2046 is a 4-wire touch screen controller which supports a low-voltage I/O interface from
1.5V to 5.25V. The BL2046 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 BL2046 is a highly integrated controller for portable applications with 4-wire resistive touch
panel such as, PDA, portable instruments, cellular phone, etc.
Applications
Cellular phones
Personal digital assistants
Touch screen monitors
Portable instruments
Order Information
Part Number
BL2046QN
BL2046TS
Package
QFN-16
TSSOP-16
Shipping
3000pcs / Tape & Reel
2500pcs / Tape & Reel
http://www.belling.com.cn
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