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AD7734BRUZ-REEL7 PDF预览

AD7734BRUZ-REEL7

更新时间： 2024-11-06 12:54:27
品牌 Logo 应用领域
亚德诺 - ADI 转换器模数转换器光电二极管
页数 文件大小 规格书
32页 738K
描述
4-Channel, 10 V Input Range, High Throughput, 24-Bit ADC

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AD7734BRUZ-REEL7 数据手册

 浏览型号AD7734BRUZ-REEL7的Datasheet PDF文件第2页浏览型号AD7734BRUZ-REEL7的Datasheet PDF文件第3页浏览型号AD7734BRUZ-REEL7的Datasheet PDF文件第4页浏览型号AD7734BRUZ-REEL7的Datasheet PDF文件第5页浏览型号AD7734BRUZ-REEL7的Datasheet PDF文件第6页浏览型号AD7734BRUZ-REEL7的Datasheet PDF文件第7页 
4-Channel, 10 V Input Range, High  
Throughput, 24-Bit ∑-∆ ADC  
Data Sheet  
FEATURES  
High resolution ADC  
24 bits no missing codes  
AD7734  
FUNCTIONAL BLOCK DIAGRAM  
REFIN(–) REFIN(+)  
0.0025% nonlinearity  
AIN0  
AIN1  
AIN2  
AIN3  
REFERENCE  
DETECT  
Optimized for fast channel switching  
18-bit p-p resolution (21 bits effective) at 500 Hz  
16-bit p-p resolution (19 bits effective) at 2 kHz  
14-bit p-p resolution (18 bits effective) at 15 kHz  
On-chip per channel system calibration  
4 single-ended analog inputs  
Input ranges +5 V, 5 V, +10 V, 10 V  
Overvoltage tolerant  
BUFFER  
MUX  
24-BIT  
Σ−∆ ADC  
AD7734  
Up to 16.5 V not affecting adjacent channel  
Up to 50 V absolute maximum  
3-wire serial interface  
SPI™, QSPI™, MICROWIRE™, and DSP compatible  
Schmitt trigger on logic inputs  
Single-supply operation  
BIASHI  
BIASLO  
SCLK  
DOUT  
CALIBRATION  
CIRCUITRY  
SERIAL  
INTERFACE  
CS  
5 V analog supply  
3 V or 5 V digital supply  
Package: 28-lead TSSOP  
P0  
RDY  
CLOCK  
GENERATOR  
CONTROL  
LOGIC  
I/O PORT  
RESET  
SYNC/P1  
APPLICATIONS  
PLCs/DCS  
Multiplexing applications  
Process control  
AGND AV  
DD  
MCLKOUT MCLKIN DGND DV  
DD  
.
Figure 1.  
Industrial instrumentation  
3-wire operation and is compatible with microcontrollers and  
digital signal processors. All interface inputs are Schmitt  
triggered.  
GENERAL DESCRIPTION  
The AD7734 is a high precision, high throughput analog front  
end. True 16-bit p-p resolution is achievable with a total  
conversion time of 500 µs (2 kHz channel switching), making it  
ideally suitable for high resolution multiplexing applications.  
The part is specified for operation over the extended industrial  
temperature range of –40°C to +105°C.  
Other parts in the AD7734 family are the AD7732 and  
the AD7738.  
The part can be configured via a simple digital interface, which  
allows users to balance the noise performance against data  
throughput up to a 15.4 kHz.  
The AD7732 is similar to AD7734, but its analog front end  
features two fully differential input channels.  
The analog front end features four single-ended input channels  
with unipolar or true bipolar input ranges to 10 V while  
operating from a single +5 V analog supply. The part has an  
overrange and underrange detection capability and accepts an  
analog input overvoltage to 16.5 V without degrading the  
performance of the adjacent channels.  
The AD7738 analog front end is configurable for four fully  
differential or eight single-ended input channels, features  
0.625 V to 2.5 V bipolar/unipolar input ranges, and accepts a  
common-mode input voltage from 200 mV to AVDD–300 mV.  
The AD7738 multiplexer output is pinned out externally,  
allowing the user to implement programmable gain or signal  
conditioning before being applied to the ADC.  
The differential reference input features “No-Reference” detect  
capability. The ADC also supports per channel system calibra-  
tion options. The digital serial interface can be configured for  
Rev. A  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rightsof third parties that may result fromits use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks andregisteredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
www.analog.com  
Fax: 781.461.3113 ©2003–2012 Analog Devices, Inc. All rights reserved.  
 
 
 
 
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AD7734BRUZ-REEL7 替代型号

型号 品牌 替代类型 描述 数据表
AD7734BRUZ ADI

完全替代

 4-Channel, 10 V Input Range, High Throughput, 24-Bit ADC
AD7734BRU ADI

完全替代

 4-Channel, +-10 V Input Range, High Throughput, 24-Bit sigma ∆ ADC

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AD7738BRU-REEL7 ADI

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AD7739BRU-REEL ADI

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AD7739BRU-REEL7 ADI

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 		8-Channel, High Throughput, 24-Bit Sigma-Delta ADC
AD7739BRUZ ADI

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 		8-Channel, High Throughput, 24-Bit Sigma-Delta ADC

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