Datasheet > CSC2046

CSC2046

更新时间： 2022-03-09 16:04:59

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CSC2046 数据手册

Email:jness@tom.com Msn:hw_jness@hotmail.com Attn:jeness tel:13682308162

HWCAT

FEATURES

CSC2046

● SAME PINOUT AS ADS7846

● 2.2V TO 5.25V OPERATION

● 1.5V TO 5.25V DIGITAL I/O

● INTERNAL 2.5V REFERENCE

● DIRECT BATTERY MEASUREMENT (0V to 6V)

● ON-CHIP TEMPERATURE MEASUREMENT

● TOUCH-PRESSURE MEASUREMENT

● QSPI^TMAND SPI^TM3-WIRE INTERFACE

● AUTO POWER-DOWN

● AVAILABLE IN TSSOP-16, QFN-16, AND VFBGA-48 PACKAGES

APPLICATIONS

● PERSONAL DIGITAL ASSISTANTS

● PORTABLE INSTRUMENTS

● POINT-OF-SALE TERMINALS

● PAGERS

● TOUCH SCREEN MONITORS

● CELLULAR PHONES

DESCRIPTION

The CSC2046 is a next-generation version to the ADS7846 4-wire touch screen controller which supports

a low-voltage I/O interface from 1.5V to 5.25V. The CSC2046 is 100% pin-compatible with the existing

ADS7846, and will drop into the same socket. This allows for easy upgrade of current applications to the

new version. The CSC2046 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 sample

rate), and on-chip drivers make the CSC2046 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 CSC2046 is available in TSSOP-16, QFN-16, and VFBGA-48 packages and is specified

over the –40°C to +85°C temperature range.

WUXI HAIWEI SEMICONDUCTOR CORP

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