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EVAL-AD7376EBZ PDF预览

EVAL-AD7376EBZ

更新时间: 2024-12-01 12:53:23
品牌 Logo 应用领域
亚德诺 - ADI 数字电位计
页数 文件大小 规格书
20页 452K
描述
128-Position Digital Potentiometer

EVAL-AD7376EBZ 数据手册

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+30 V/ 15 V Operation  
128-Position Digital Potentiometer  
AD7376  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
128 positions  
V
AD7376  
DD  
10 kΩ, 50 kΩ, 100 kΩ  
SDO  
SDI  
Q
A
20 V to 30 V single-supply operation  
10 V to 15 V dual-supply operation  
3-wire SPI®-compatible serial interface  
THD 0.006% typical  
7-BIT  
7
7
7-BIT  
LATCH  
SERIAL  
REGISTER  
W
B
D
Programmable preset  
CK  
SHDN  
Power shutdown: less than 1 µA  
iCMOS™ process technology  
R
CLK  
CS  
V
SS  
APPLICATIONS  
High voltage DAC  
GND  
RS  
SHDN  
Programmable power supply  
Programmable gain and offset adjustment  
Programmable filters, delays  
Actuator control  
Figure 1.  
Audio volume control  
Mechanical potentiometer replacement  
GENERAL DESCRIPTION  
The AD73761 is one of the few high voltage, high performance  
digital potentiometers2 on the market. This device can be used  
as a programmable resistor or resistor divider. The AD7376  
performs the same electronic adjustment function as mechanical  
potentiometers, variable resistors, and trimmers with enhanced  
resolution, solid-state reliability, and programmability. With  
digital rather than manual control, the AD7376 provides layout  
flexibility and allows closed-loop dynamic controllability.  
The AD7376 features sleep-mode programmability in shutdown  
that can be used to program the preset before device activation,  
thus providing an alternative to costly EEPROM solutions.  
The AD7376 is available in 14-lead TSSOP and 16-lead wide  
body SOIC packages in 10 kΩ, 50 kΩ, and 100 kΩ options. All  
parts are guaranteed to operate over the −40°C to +85°C  
extended industrial temperature range.  
1 Patent number: 54952455.  
2 The terms digital potentiometer and RDAC are used interchangeably.  
Rev. D  
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 ©1997–2011 Analog Devices, Inc. All rights reserved.  
 
 
 
 

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