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AD7701ARSZ-REEL

更新时间： 2024-11-06 19:35:51
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管转换器
页数 文件大小 规格书
21页 346K
描述
16-Bit Sigma-Delta ADC

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中文翻译

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AD7701ARSZ-REEL 数据手册

 浏览型号AD7701ARSZ-REEL的Datasheet PDF文件第2页浏览型号AD7701ARSZ-REEL的Datasheet PDF文件第3页浏览型号AD7701ARSZ-REEL的Datasheet PDF文件第4页浏览型号AD7701ARSZ-REEL的Datasheet PDF文件第5页浏览型号AD7701ARSZ-REEL的Datasheet PDF文件第6页浏览型号AD7701ARSZ-REEL的Datasheet PDF文件第7页 
LC2MOS  
16-Bit A/D Converter  
AD7701  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Monolithic 16-Bit ADC  
0.0015% Linearity Error  
AV  
DV  
AV  
DV  
SS  
SC1  
4
SC2  
17  
DD  
DD  
SS  
14  
15  
7
6
On-Chip Self-Calibration Circuitry  
Programmable Low-Pass Filter  
0.1 Hz to 10 Hz Corner Frequency  
0 V to +2.5 V or ꢀ2.5 V Analog Input Range  
4 kSPS Output Data Rate  
Flexible Serial Interface  
AD7701  
CALIBRATION  
MICROCONTROLLER  
CALIBRATION  
SRAM  
13 CAL  
Ultralow Power  
16-BIT A/D CONVERTER  
A
9
IN  
12  
11  
BP/UP  
6-POLE GAUSSIAN  
APPLICATIONS  
Industrial Process Control  
Weigh Scales  
ANALOG  
MODULATOR  
LOW-PASS  
V
DIGITAL FILTER  
10  
REF  
SLEEP  
Portable Instrumentation  
Remote Data Acquisition  
AGND  
DGND  
8
5
20 SDATA  
19 SCLK  
CLOCK  
GENERATOR  
SERIAL INTERFACE  
LOGIC  
3
2
1
16  
18  
DRDY  
CLKIN CLKOUT  
MODE  
CS  
GENERAL DESCRIPTION  
PRODUCT HIGHLIGHTS  
The AD7701 is a 16-bit ADC that uses a sigma-delta conversion  
technique. The analog input is continuously sampled by an analog  
modulator whose mean output duty cycle is proportional to the  
input signal. The modulator output is processed by an on-chip  
digital filter with a six-pole Gaussian response, which updates  
the output data register with 16-bit binary words at word rates up  
to 4 kHz. The sampling rate, filter corner frequency, and output  
word rate are set by a master clock input that may be supplied  
externally, or by a crystal controlled on-chip clock oscillator.  
1. The AD7701 offers 16-bit resolution coupled with outstand-  
ing 0.0015% accuracy.  
2. No missing codes ensures true, usable, 16-bit dynamic range,  
removing the need for programmable gain and level-setting  
circuitry.  
3. The effects of temperature drift are eliminated by on-chip  
self-calibration, which removes zero and gain error. External  
circuits can also be included in the calibration loop to remove  
system offsets and gain errors.  
4. A flexible synchronous/asynchronous interface allows the  
AD7701 to interface directly to UARTs or to the serial ports  
of industry-standard microcontrollers.  
5. Low operating power consumption and an ultralow power  
standby mode make the AD7701 ideal for loop-powered  
remote sensing applications, or battery-powered portable  
instruments.  
The inherent linearity of the ADC is excellent and endpoint  
accuracy is ensured by self-calibration of zero and full scale,  
which may be initiated at any time. The self-calibration scheme  
can also be extended to null system offset and gain errors in the  
input channel.  
The output data is accessed through a flexible serial port, which  
has an asynchronous mode compatible with UARTs and two  
synchronous modes suitable for interfacing to shift registers or  
the serial ports of industry-standard microcontrollers.  
CMOS construction ensures low power dissipation, and a power-  
down mode reduces the idle power consumption to only 10 µW.  
REV. E  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© 2003 Analog Devices, Inc. All rights reserved.  
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AD7701ARSZ-REEL 替代型号

型号 品牌 替代类型 描述 数据表
AD7701ARS-REEL ADI

完全替代

 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO28, SSOP-28
AD7701ARS ADI

类似代替

 LC2MOS 16-Bit A/D Converter

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AD7701ARZ-REEL ADI

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AD7701BN ADI

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AD7701BNZ ROCHESTER

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AD7701BQ ADI

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AD7701BR ADI

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 		LC2MOS 16-Bit A/D Converter
AD7701BR ROCHESTER

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 		1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO20, MS-013AC, SOIC-20
AD7701BRZ ADI

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 		16-Bit Sigma-Delta ADC
AD7701SQ ADI

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 		LC2MOS 16-Bit A/D Converter

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