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AD5262BRUZ200 PDF预览

AD5262BRUZ200

更新时间： 2024-11-04 12:26:07
品牌 Logo 应用领域
亚德诺 - ADI 数字电位计
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24页 610K
描述
1-/2-Channel 15 V Digital Potentiometer

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AD5262BRUZ200 数据手册

 浏览型号AD5262BRUZ200的Datasheet PDF文件第2页浏览型号AD5262BRUZ200的Datasheet PDF文件第3页浏览型号AD5262BRUZ200的Datasheet PDF文件第4页浏览型号AD5262BRUZ200的Datasheet PDF文件第5页浏览型号AD5262BRUZ200的Datasheet PDF文件第6页浏览型号AD5262BRUZ200的Datasheet PDF文件第7页 
1-/2-Channel 15 V Digital Potentiometer  
AD5260/AD5262  
FUNCTIONAL BLOCK DIAGRAMS  
FEATURES  
A
W
B
256 positions  
AD5260: 1 channel  
AD5262: 2 channels (independently programmable)  
Potentiometer replacement  
SHDN  
AD5260  
V
DD  
RDAC  
REGISTER  
20 kΩ, 50 kΩ, 200 kΩ  
V
SS  
Low temperature coefficient: 35 ppm/°C  
4-wire, SPI-compatible serial data input  
5 V to 15 V single-supply; 5.5 V dual-supply operation  
Power on midscale preset  
V
L
POWER-ON  
RESET  
PR  
CS  
LOGIC  
8
CLK  
SDI  
SDO  
SERIAL INPUT REGISTER  
APPLICATIONS  
GND  
Mechanical potentiometer replacement  
Instrumentation: gain, offset adjustment  
Stereo channel audio level control  
Figure 1. AD5260  
A1 W1 B1  
A2 W2 B2  
Programmable voltage-to-current conversion  
Programmable filters, delays, time constants  
Line impedance matching  
SHDN  
V
DD  
Low resolution DAC replacement  
RDAC1  
RDAC2  
REGISTER  
REGISTER  
V
SS  
GENERAL DESCRIPTION  
V
L
The AD5260/AD5262 provide a single- or dual-channel, 256-  
position, digitally controlled variable resistor (VR) device.1  
These devices perform the same electronic adjustment function  
as a potentiometer or variable resistor. Each channel of the  
AD5260/AD5262 contains a fixed resistor with a wiper contact  
that taps the fixed resistor value at a point determined by a  
digital code loaded into the SPI-compatible serial-input register.  
The resistance between the wiper and either end point of the  
fixed resistor varies linearly with respect to the digital code  
transferred into the VR latch. The variable resistor offers a  
completely programmable value of resistance, between the A  
terminal and the wiper or the B terminal and the wiper. The  
fixed A-to-B terminal resistance of 20 Ω, 50 Ω, or 200 Ω has a  
nominal temperature coefficient of 35 ppm/°C. Unlike the  
majority of the digital potentiometers in the market, these  
devices can operate up to 15 V or 5 V provided proper supply  
voltages are furnished.  
POWER-ON  
RESET  
PR  
CS  
LOGIC  
8
CLK  
SDI  
SDO  
SERIAL INPUT REGISTER  
AD5262  
GND  
Figure 2. AD5262  
edge of the CLK pin. The AD5262 address bit determines the  
corresponding VR latch to be loaded with the last eight bits of  
CS  
the data word during the positive edging of  
strobe. A serial  
data output pin at the opposite end of the serial register enables  
simple daisy-chaining in multiple VR applications without  
additional external decoding logic. An optional reset pin (  
forces the wiper to the midscale position by loading 0x80 into  
the VR latch.  
PR  
)
The AD5260/AD5262 are available in thin surface-mount  
14-lead TSSOP and 16-lead TSSOP packages. All parts are  
guaranteed to operate over the extended industrial temperature  
range of −40°C to +85°C.  
Each VR has its own VR latch that holds its programmed  
resistance value. These VR latches are updated from an internal  
serial-to-parallel shift register, which is loaded from a standard  
3-wire serial-input digital interface. The AD5260 contains an  
8-bit serial register whereas the AD5262 contains a 9-bit serial  
register. Each bit is clocked into the register on the positive  
1 The terms digital potentiometers, VR, and RDAC are used interchangeably.  
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  
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 ©2002–2010 Analog Devices, Inc. All rights reserved.  
 
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AD5262BRUZ200 替代型号

型号 品牌 替代类型 描述 数据表
AD5262BRUZ200-RL7 ADI

完全替代

 1-/2-Channel 15 V Digital Potentiometer
AD5262BRU200-REEL7 ADI

类似代替

 1-/2-Channel 15 V Digital Potentiometers
AD5262BRU200 ADI

类似代替

 1-/2-Channel 15 V Digital Potentiometers

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AD5262BRUZ200-RL7 ADI

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 		1-/2-Channel 15 V Digital Potentiometer
AD5262BRUZ50-REEL7 ADI

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 		DUAL 50K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO16, TS
AD5262BRUZ50-RL7 ADI

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 		1-/2-Channel 15 V Digital Potentiometer
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AD5263_12 ADI

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 		Quad, 15 V, 256-Position, Digital Potentiometer with Pin-Selectable SPI/I2C
AD5263BRU20 ADI

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AD5263BRU200 ADI

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 		Preliminary Technical Data

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