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ADS8556

更新时间： 2024-02-05 23:22:22
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德州仪器 - TI 转换器
页数 文件大小 规格书
40页 870K
描述
16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS

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ADS8556 数据手册

 浏览型号ADS8556的Datasheet PDF文件第2页浏览型号ADS8556的Datasheet PDF文件第3页浏览型号ADS8556的Datasheet PDF文件第4页浏览型号ADS8556的Datasheet PDF文件第5页浏览型号ADS8556的Datasheet PDF文件第6页浏览型号ADS8556的Datasheet PDF文件第7页 
ADS8556  
ADS8557  
ADS8558  
www.ti.com ............................................................................................................................................... SBAS404A–OCTOBER 2006–REVISED AUGUST 2009  
16-, 14-, 12-Bit, Six-Channel, Simultaneous Sampling  
ANALOG-TO-DIGITAL CONVERTERS  
1
FEATURES  
DESCRIPTION  
2
•
Family of 16-, 14-, 12-Bit, Pin- and  
Software-Compatible ADCs  
The ADS8556/7/8 contain six low-power, 16-, 14-, or  
12-bit, successive approximation register (SAR)  
based analog-to-digital converters (ADCs) with true  
•
•
Six SAR ADCs Grouped in Three Pairs  
bipolar  
inputs.  
Each  
channel  
contains  
a
Maximum Data Rate Per Channel with Internal  
Conversion Clock and Reference:  
ADS8556: 630kSPS (PAR) or 450kSPS (SER)  
ADS8557: 670kSPS (PAR) or 470kSPS (SER)  
ADS8558: 730kSPS (PAR) or 500kSPS (SER)  
sample-and-hold circuit that allows simultaneous  
high-speed multi-channel signal acquisition.  
The ADS8556/7/8 support data rates of up to  
730kSPS in parallel interface mode or up to 500kSPS  
if the serial interface is used. The bus width of the  
parallel interface can be set to eight or 16 bits. In  
serial mode, up to three output channels can be  
activated.  
•
Maximum Data Rate with External Conversion  
Clock and Reference:  
800kSPS (PAR) or 530kSPS (SER)  
•
•
Pin-Selectable or Programmable Input Voltage  
Ranges: Up to ±12V  
The ADS8556/7/8 is specified over the full industrial  
temperature range of –40°C to +125°C and is  
available in an LQFP-64 package.  
Excellent Signal-to-Noise Performance:  
91.5dB (ADS8556)  
85dB (ADS8557)  
ADS8556  
Clock  
Generator  
ADS8557  
ADS8558  
73.9dB (ADS8558)  
CONVST_A  
CH_A0  
Comparator  
•
•
Programmable and Buffered Internal  
Reference: 0.5V to 2.5V and 0.5V to 3.0V  
CDAC 1  
S/H  
AGND  
BUSY/INT  
RANGE/XCLK  
HW/SW  
Buffer  
Control  
Logic  
Comprehensive Power-Down Modes:  
Deep Power-Down (Standby Mode)  
Partial Power-Down  
SAR Register 1/2  
REF /WR  
EN  
STBY  
RESET  
REFC_A  
CH_A1  
CDAC 2  
S/H  
AGND  
Auto-Nap Power-Down  
Comparator  
Comparator  
•
•
Selectable Parallel or Serial Interface  
CONVST_B  
CH_B0  
CDAC 3  
S/H  
Operating Temperature Range:  
–40°C to +125°C  
AGND  
Buffer  
Config  
Register  
SAR Register 3/4  
•
LQFP-64 Package  
REFC_B  
CH_B1  
CDAC 4  
S/H  
AGND  
APPLICATIONS  
Comparator  
Comparator  
•
•
•
•
•
Power Quality Measurement  
Protection Relays  
Multi-Axis Motor Control  
Programmable Logic Controllers  
Industrial Data Acquisition  
CONVST_C  
CH_C0  
CDAC 5  
S/H  
AGND  
Buffer  
CS/FS  
SAR Register 5/6  
RD  
I/O  
DB[15:0]  
WORD/BYTE  
PAR/SER  
REFC_C  
CH_C1  
CDAC 6  
S/H  
AGND  
Comparator  
Buffer  
BVDD  
BGND  
Internal 2.5V  
Reference  
String DAC  
REF_IO  
AVDD  
AGND  
HVDD  
HVSS  
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
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 the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006–2009, Texas Instruments Incorporated  
1234567...40

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ADS8556 替代型号

型号 品牌 替代类型 描述 数据表
ADS8558 TI

功能相似

 16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8557 TI

功能相似

 16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS

与ADS8556相关器件

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ADS8556I TI

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 		16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8556IPM TI

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 		16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8556IPMR TI

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 		16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8557 TI

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 		16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8557I TI

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 		16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8557IPM TI

获取价格

 		16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8557IPMR TI

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 		16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8558 TI

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 		16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8558I TI

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 		16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8558IPM TI

获取价格

 		16-14-12-Bit Six-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS

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