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ADS7843IDBQRQ1 PDF预览

ADS7843IDBQRQ1

更新时间: 2024-11-25 12:50:35
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
21页 1437K
描述
TOUCH SCREEN CONTROLLER

ADS7843IDBQRQ1 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, SSOP16,.25针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:1.76
最大模拟输入电压:3.6 V最小模拟输入电压:
最长转换时间:6 µs转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:4.9 mm最大线性误差 (EL):0.0488%
湿度敏感等级:3模拟输入通道数量:4
位数:12功能数量:1
端子数量:16最高工作温度:125 °C
最低工作温度:-40 °C输出位码:BINARY
输出格式:SERIAL封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SSOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:2.7 V
认证状态:Not Qualified采样速率:0.125 MHz
采样并保持/跟踪并保持:SAMPLE筛选级别:AEC-Q100
座面最大高度:1.75 mm子类别:Analog to Digital Converters
标称供电电压:2.7 V表面贴装:YES
技术:CMOS温度等级:AUTOMOTIVE
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:0.64 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 mm
Base Number Matches:1

ADS7843IDBQRQ1 数据手册

 浏览型号ADS7843IDBQRQ1的Datasheet PDF文件第2页浏览型号ADS7843IDBQRQ1的Datasheet PDF文件第3页浏览型号ADS7843IDBQRQ1的Datasheet PDF文件第4页浏览型号ADS7843IDBQRQ1的Datasheet PDF文件第5页浏览型号ADS7843IDBQRQ1的Datasheet PDF文件第6页浏览型号ADS7843IDBQRQ1的Datasheet PDF文件第7页 
ADS7843-Q1  
www.ti.com  
SBAS504A MARCH 2011REVISED JULY 2012  
TOUCH SCREEN CONTROLLER  
Check for Samples: ADS7843-Q1  
1
FEATURES  
DESCRIPTION  
Qualified for Automotive Applications  
Ratiometric Conversion  
The ADS7843-Q1 is a 12-bit sampling Analog-to-  
Digital Converter (ADC) with a synchronous serial  
interface and low on-resistance switches for driving  
touch screens. Typical power dissipation is 750µW at  
a 125kHz throughput rate and a +2.7V supply. The  
reference voltage (VREF) can be varied between 1V  
and +VCC, providing a corresponding input voltage  
range of 0V to VREF. The device includes a shutdown  
mode which reduces typical power dissipation to  
under 0.5µW. The ADS7843-Q1 is specified down to  
2.7V operation.  
Single Supply: 2.7V to 5V  
Up to 125kHz Conversion Rate  
Serial Interface  
Programmable 8- or 12-Bit Resolution  
2 Auxiliary Analog Inputs  
Full Power-Down Control  
APPLICATIONS  
Low power, high speed, and onboard switches make  
the ADS7843-Q1 ideal for battery-operated systems  
such as personal digital assistants with resistive  
touch screens and other portable equipment. The  
ADS7843-Q1 is available in an SSOP-16 package  
and is specified over the –40°C to +85°C temperature  
range.  
Personal Digital Assistants  
Portable Instruments  
Point-of-Sales Terminals  
Pagers  
Touch Screen Monitors  
ORDERING INFORMATION(1)  
TA  
PACKAGE(2)  
ORDERABLE PART NUMBER  
TOP-SIDE MARKING  
–40°C to 85°C  
SSOP-16 – DBQ Tape and reel  
ADS7843IDBQRQ1  
S7843Q  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
web site at www.ti.com.  
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.  
1
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2011–2012, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
 

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