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TI模数转换ads7830

更新时间:2019-09-26 09:46:58 大小:925K 上传用户:月如规查看TA发布的资源 标签:模数转换 下载积分:0分 评价赚积分 (如何评价?) 打赏 收藏 评论(1) 举报

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模数转换器8bit 8通道     

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ads7830.pdf 925K

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SBAS302C –DECEMBER 2003–REVISED OCTOBER 2012  
8-Bit, 8-Channel Sampling  
ANALOG-TO-DIGITAL CONVERTER  
with I2C™
Check for Samples:
1
FEATURES  
APPLICATIONS  
23  
•
70kHz SAMPLING RATE  
•
•
•
•
•
VOLTAGE-SUPPLY MONITORING  
•
±0.5LSB INL/DNL  
ISOLATED DATA ACQUISITION  
TRANSDUCER INTERFACE  
•
•
•
•
•
8 BITS NO MISSING CODES  
4 DIFFERENTIAL/8 SINGLE-ENDED INPUTS  
2.7V TO 5V OPERATION  
BATTERY-OPERATED SYSTEMS  
REMOTE DATA ACQUISITION  
BUILT-IN 2.5V REFERENCE/BUFFER  
SUPPORTS ALL THREE I2C MODES:  
Standard, Fast, and High-Speed  
DESCRIPTION  
The ADS7830 is a single-supply, low-power, 8-bit  
data acquisition device that features a serial I2C  
interface and an 8-channel multiplexer. The Analog-  
to-Digital (A/D) converter features a sample-and-hold  
amplifier and internal, asynchronous clock. The  
combination of an I2C serial, 2-wire interface and  
micropower consumption makes the ADS7830 ideal  
for applications requiring the A/D converter to be  
close to the input source in remote locations and for  
applications requiring isolation. The ADS7830 is  
available in a TSSOP-16 package.  
•
LOW POWER:  
180μW (Standard Mode)  
300μW (Fast Mode)  
675μW (High-Speed Mode)  
•
•
DIRECT PIN COMPATIBLE WITH ADS7828  
TSSOP-16 PACKAGE  
CH0  
CH1  
CH2  
CH3  
SAR  
8-Channel  
MUX  
CH4  
CH5  
CH6  
CH7  
COM  
SDA  
SCL  
CDAC  
Serial  
Interface  
A0  
Comparator  
A1  
S/H Amp  
2.5V VREF  
REFIN/REFOUT  
Buffer  
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.  
2
3
I2C is a trademark of NXP Semiconductors.  
All other 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 the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2003–2012, Texas Instruments Incorporated  
 
 

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