Datasheet > AD5262BRU50-REEL7

AD5262BRU50-REEL7

更新时间： 2024-11-03 22:23:23

品牌	Logo	应用领域
亚德诺 - ADI		电位器
页数	文件大小	规格书
20页	841K
描述
1-/2-Channel 15 V Digital Potentiometers

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AD5262BRU50-REEL7 数据手册

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1-/2-Channel

15 V Digital Potentiometers

AD5260/AD5262

FEATURES

FUNCTIONAL BLOCK DIAGRAMS

256 Positions

AD5260 – 1-Channel

AD5262 – 2-Channel (Independently Programmable)

Potentiometer Replacement

SHDN

AD5260

20 k⍀, 50 k⍀, 200 k⍀

RDAC

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 Mid-Scale Preset

POWER-ON

RESET

LOGIC

APPLICATIONS

CLK

SDI

GND

Mechanical Potentiometer Replacement

Instrumentation: Gain, Offset Adjustment

Stereo Channel Audio Level Control

Programmable Voltage to Current Conversion

Programmable Filters, Delays, Time Constants

Line Impedance Matching

SDO

SERIAL INPUT REGISTER

A1 W1 B1

A2 W2 B2

Low Resolution DAC Replacement

SHDN

GENERAL DESCRIPTION

The AD5260/AD5262 provide a single- or dual-channel, 256-

position, digitally controlled variable resistor (VR) device.* 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 kW, 50 kW, or 200 kW 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.

RDAC1 REGISTER

RDAC2 REGISTER

POWER-ON

RESET

LOGIC

CLK

SDI

SDO

SERIAL INPUT REGISTER

GND

AD5262

100

Each VR has its own VR latch, which 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

while the AD5262 contains a 9-bit serial register. Each bit is clocked

into the register on the positive edge of the CLK. The AD5262

address bit determines the corresponding VR latch to be loaded

with the last 8 bits of the data word during the positive edging of

CS strobe. A serial data output pin at the opposite end of the serial

without additional external decoding logic. An optional reset pin

(PR) forces the wiper to the mid-scale position by loading 80_Hinto

the VR latch.

128

192

256

CODE – Decimal

Figure 1. R_WAand R_WBvs. Code

The AD5260/AD5262 are available in thin surface-mount TSSOP-14

and TSSOP-16 packages. All parts are guaranteed to operate over

the extended industrial temperature range of –40∞C to +85∞C.

*The terms digital potentiometers, VR, and RDAC are used interchangeably.

REV. 0

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.

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

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AD5262BRU50-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
AD5262BRUZ50-RL7	ADI	完全替代	1-/2-Channel 15 V Digital Potentiometer
AD5262BRUZ50	ADI	类似代替	1-/2-Channel 15 V Digital Potentiometer
AD5262BRU50	ADI	类似代替	1-/2-Channel 15 V Digital Potentiometers

与AD5262BRU50-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD5262BRUZ20	ADI	获取价格	1-/2-Channel 15 V Digital Potentiometer
AD5262BRUZ200	ADI	获取价格	1-/2-Channel 15 V Digital Potentiometer
AD5262BRUZ200-REEL7	ADI	获取价格	DUAL 200K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO16, T
AD5262BRUZ200-RL7	ADI	获取价格	1-/2-Channel 15 V Digital Potentiometer
AD5262BRUZ20-RL7	ADI	获取价格	1-/2-Channel 15 V Digital Potentiometer
AD5262BRUZ50	ADI	获取价格	1-/2-Channel 15 V Digital Potentiometer
AD5262BRUZ50-REEL7	ADI	获取价格	DUAL 50K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO16, TS
AD5262BRUZ50-RL7	ADI	获取价格	1-/2-Channel 15 V Digital Potentiometer
AD5263	ADI	获取价格	Preliminary Technical Data
AD5263_12	ADI	获取价格	Quad, 15 V, 256-Position, Digital Potentiometer with Pin-Selectable SPI/I2C

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