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ADS7822EC PDF预览

ADS7822EC

更新时间： 2024-11-15 22:53:39
品牌 Logo 应用领域
德州仪器 - TI 转换器模数转换器光电二极管
页数 文件大小 规格书
20页 430K
描述
12-Bit, High-Speed, 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER

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ADS7822EC 技术参数

生命周期：Obsolete零件包装代码：MSOP
包装说明：SOP,针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.19
最大模拟输入电压：2.5 V最小模拟输入电压：
转换器类型：ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码：R-PDSO-G8
最大线性误差 (EL)：0.0183%模拟输入通道数量：1
位数：12功能数量：1
端子数量：8最高工作温度：85 °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：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
采样速率：0.075 MHz采样并保持/跟踪并保持：SAMPLE
标称供电电压：2.7 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子位置：DUAL
Base Number Matches：1

ADS7822EC 数据手册

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SBAS062A – JANUARY 1996 – REVISED MARCH 2005  
12-Bit, High-Speed, 2.7V microPower Sampling  
ANALOG-TO-DIGITAL CONVERTER  
FEATURES  
DESCRIPTION  
● 75kHz SAMPLING RATE  
The ADS7822 is a 12-bit sampling analog-to-digital (A/D)  
converter with ensured specifications over a 2.7V to 5.25V  
supply range. It requires very little power even when oper-  
ating at the full 75kHz rate. At lower conversion rates, the  
high speed of the device enables it to spend most of its time  
in the power-down mode—the power dissipation is less than  
60µW at 7.5kHz.  
● MICRO POWER:  
0.54mW at 75kHz  
0.06mW at 7.5kHz  
● POWER DOWN: 3µA max  
● MINI-DIP-8, SOIC-8, AND MSOP-8  
● PSEUDO-DIFFERENTIAL INPUT  
● SERIAL INTERFACE  
The ADS7822 also features operation from 2.0V to 5V, a  
synchronous serial interface, and a pseudo-differential input.  
The reference voltage can be set to any level within the  
range of 50mV to VCC  
.
APPLICATIONS  
● BATTERY-OPERATED SYSTEMS  
● REMOTE DATA ACQUISITION  
● ISOLATED DATA ACQUISITION  
Ultra low power and small size make the ADS7822 ideal for  
battery-operated systems. It is also a perfect fit for remote  
data acquisition modules, simultaneous multi-channel sys-  
tems, and isolated data acquisition. The ADS7822 is avail-  
able in a plastic mini-DIP-8, an SOIC-8, or an MSOP-8  
package.  
● SIMULTANEOUS SAMPLING,  
MULTI-CHANNEL SYSTEMS  
Control  
SAR  
VREF  
DOUT  
+In  
CDAC  
Serial  
Interface  
DCLOCK  
CS/SHDN  
–In  
Comparator  
S/H Amp  
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 © 1996-2005, Texas Instruments Incorporated  
www.ti.com  
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