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AD7393_15

更新时间: 2024-11-30 01:22:39
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亚德诺 - ADI /
页数 文件大小 规格书
20页 458K
描述
3 V, Parallel Input Micropower 10-/12-Bit DACs

AD7393_15 数据手册

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3 V, Parallel Input  
Micropower 10-/12-Bit DACs  
AD7392/AD7393  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Micropower: 100 μA  
AD7392  
V
V
DD  
0.1 μA typical power shutdown  
Single-supply 2.7 V to 5.5 V operation  
AD7392: 12-bit resolution  
AD7393: 10-bit resolution  
0.9 LSB differential nonlinearity error  
12-BIT  
DAC  
V
REF  
OUT  
SHDN  
AGND  
12  
DAC REGISTER  
12  
DGND CS  
D0 TO D11  
RS  
APPLICATIONS  
Figure 1.  
Automotive 0.5 V to 4.5 V output span voltage  
Portable communications  
Digitally controlled calibration  
PC peripherals  
GENERAL DESCRIPTION  
The AD7392/AD7393 comprise a set of pin-compatible  
10-/12-bit voltage output, digital-to-analog converters. The  
parts are designed to operate from a single 3 V supply. Built  
using a CBCMOS process, these monolithic DACs offer low  
cost and ease of use in single-supply 3 V systems. Operation is  
guaranteed over the supply voltage range of 2.7 V to 5.5 V,  
making this device ideal for battery-operated applications.  
Both parts are offered with similar pinouts, which allows users  
to select the amount of resolution appropriate for their applica-  
tions without changing the circuit card.  
The AD7392/AD7393 are specified for operation over the  
extended industrial temperature range of −40°C to +85°C.  
The AD7393AR is specified for the automotive temperature  
range of −40°C to +125°C. The AD7392/AD7393 are available  
in 20-lead PDIP and 20-lead SOIC packages.  
The full-scale voltage output is determined by the external ref-  
erence input voltage applied. The rail-to-rail REFIN to DACOUT  
allows a full-scale voltage equal to the positive supply VDD or  
any value in between. The voltage outputs are capable of sourc-  
ing 5 mA.  
For serial data input, 8-lead packaged versions, see the AD7390  
and AD7391.  
A data latch load of 12 bits with a 45 ns write time eliminates  
wait states when interfacing to the fastest processors. Addition-  
RS  
ally, an asynchronous  
input sets the output to a zero scale at  
power-on or upon user demand.  
Rev. C  
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  
rights of third parties that may result from its 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 and registeredtrademarks arethe 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 ©1996–2007 Analog Devices, Inc. All rights reserved.  
 
 
 

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