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ADS7846IRGV PDF预览

ADS7846IRGV

更新时间： 2024-11-25 20:05:35
品牌 Logo 应用领域
德州仪器 - TI 商用集成电路
页数 文件大小 规格书
22页 398K
描述
IC,TOUCH SENSOR/CONTROLLER,CMOS,LLCC,16PIN,PLASTIC

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ADS7846IRGV 技术参数

生命周期：Obsolete包装说明：QCCN, LCC16,.16SQ,25
Reach Compliance Code：unknown风险等级：5.83
商用集成电路类型：CONSUMER CIRCUITJESD-30 代码：S-PQCC-N16
端子数量：16最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：QCCN封装等效代码：LCC16,.16SQ,25
封装形状：SQUARE封装形式：CHIP CARRIER
电源：2.5/5 V认证状态：Not Qualified
子类别：Other Consumer ICs表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：NO LEAD端子节距：0.635 mm
端子位置：QUADBase Number Matches：1

ADS7846IRGV 数据手册

 浏览型号ADS7846IRGV的Datasheet PDF文件第2页浏览型号ADS7846IRGV的Datasheet PDF文件第3页浏览型号ADS7846IRGV的Datasheet PDF文件第4页浏览型号ADS7846IRGV的Datasheet PDF文件第5页浏览型号ADS7846IRGV的Datasheet PDF文件第6页浏览型号ADS7846IRGV的Datasheet PDF文件第7页 
ADS7846  
ADS7846  
®
ADS7846  
®
ADS7846  
®
SBAS125G – SEPTEMBER 1999 – REVISED JUNE 2003  
TOUCH SCREEN CONTROLLER  
DESCRIPTION  
FEATURES  
● SAME PINOUT AS ADS7843  
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.  
● 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  
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.  
● TOUCH SCREEN MONITORS  
● CELLULAR PHONES  
US Patent No. 6246394  
QSPI and SPI are registered trademarks of Motorola.  
PENIRQ  
+VCC  
X+  
Temperature  
SAR  
X–  
Sensor  
Y+  
Y–  
ADS7846  
DOUT  
BUSY  
Comparator  
CS  
6-Channel  
MUX  
Serial  
Data  
Out  
CDAC  
DCLK  
DIN  
Battery  
Monitor  
V
BAT  
AUX  
Internal 2.5V  
Reference  
VREF  
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.  
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
Copyright © 1999-2003, Texas Instruments Incorporated  
www.ti.com  
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