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ADS7846E PDF预览

ADS7846E

更新时间： 2024-11-25 12:21:23
品牌 Logo 应用领域
德州仪器 - TI 模拟IC信号电路光电二极管控制器
页数 文件大小 规格书
30页 1034K
描述
TOUCH SCREEN CONTROLLER

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中文翻译

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ADS7846E 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SSOP,针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：0.62
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDSO-G16
JESD-609代码：e4长度：4.9 mm
湿度敏感等级：2信道数量：6
功能数量：1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：SSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.75 mm最大供电电压 (Vsup)：5.25 V
最小供电电压 (Vsup)：2.2 V标称供电电压 (Vsup)：2.7 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.635 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

ADS7846E 数据手册

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ADS7846  
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7
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D
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7
8
4
6
A
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7
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SBAS125H – SEPTEMBER 1999 – REVISED JANUARY 2005  
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+  
ADS7846  
DOUT  
Y–  
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 © 1999-2005, Texas Instruments Incorporated  
www.ti.com  
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中文翻译

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ADS7846E 替代型号

型号 品牌 替代类型 描述 数据表
ADS7846NG4 TI

完全替代

 TOUCH SCREEN CONTROLLER
ADS7846EG4 TI

完全替代

 TOUCH SCREEN CONTROLLER
ADS7846IRGVT TI

类似代替

 TOUCH SCREEN CONTROLLER

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