Datasheet > AD5203AN100

AD5203AN100

更新时间： 2024-09-16 22:13:51

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
12页	261K
描述
4-Channel, 64-Position Digital Potentiometer

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AD5203AN100 数据手册

4-Channel, 64-Position

Digital Potentiometer

AD5203

FEATURES

FUNCTIONAL BLOCK DIAGRAM

64 Position

Replaces Four Potentiometers

10 k⍀, 100 k⍀

DAC 1

AGND1

6-BIT

AD5203

Power Shutdown—Less than 5 ␮A

3-Wire SPI-Compatible Serial Data Input

10 MHz Update Data Loading Rate

+2.7 V to +5.5 V Single Supply Operation

Midscale Preset

LATCH

SHDN

DGND

DAC 2

DAC

SELECT

AGND2

6-BIT

LATCH

APPLICATIONS

CK RS

Mechanical Potentiometer Replacement

Programmable Filters, Delays, Time Constants

Volume Control, Panning

Line Impedance Matching

Power Supply Adjustment

SHDN

A1, A0

DAC 3

8-BIT

SERIAL

LATCH

AGND3

6-BIT

LATCH

SDI

SHDN

GENERAL DESCRIPTION

CLK

DAC 4

AGND4

The AD5203 provides a quad channel, 64-position digitally-

controlled variable resistor (VR) device. These parts perform the

same electronic adjustment function as a potentiometer or vari-

able resistor. The AD5203 contains four independent variable

resistors in a 24-lead SOIC and the compact TSSOP-24 pack-

ages. Each part contains a fixed resistor with a wiper contact

that taps the fixed resistor value at a point determined by a digi-

tal code loaded into the controlling serial input register. The

resistance between the wiper and either endpoint of the fixed

resistor varies linearly with respect to the digital code transferred

into the VR latch. Each 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 10 kΩ, or 100 kΩ has a ±1% channel-to-

channel matching tolerance with a nominal temperature coeffi-

cient of 700 ppm/°C.

6-BIT

LATCH

CK RS

SHDN

SDO

The reset RS pin forces the wiper to the midscale position by

loading 20_Hinto the VR latch. The SHDN pin forces the resis-

tor to an end-to-end open circuit condition on terminal A and

shorts the wiper to terminal B, achieving a microwatt power

shutdown state. When shutdown is returned to logic-high the

previous latch settings put the wiper in the same resistance set-

ting prior to shutdown.

The AD5203 is available in a narrow body P-DIP-24, the

24-lead surface mount package, and the compact 1.1 mm thin

TSSOP-24 package. 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 which holds its programmed

resistance value. These VR latches are updated from an internal

serial-to-parallel shift register that is loaded from a standard

3-wire serial-input digital interface. Eight data bits make up the

data word clocked into the serial input register. The data word is

decoded where the first two bits determine the address of the VR

latch to be loaded, the last 6-bits are data. A serial data output

pin at the opposite end of the serial register allows simple daisy-

chaining in multiple VR applications without additional external

decoding logic.

For pin compatible higher resolution applications, see the 256-

position AD8403 product.

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, nor for any infringements of patents or other rights of third parties

which 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

World Wide Web Site: http://www.analog.com

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与AD5203AN100相关器件

型号	品牌	获取价格	描述	数据表
AD5203AR10	ADI	获取价格	4-Channel, 64-Position Digital Potentiometer
AD5203AR10	ROCHESTER	获取价格	10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24, SOIC-24
AD5203AR100	ADI	获取价格	4-Channel, 64-Position Digital Potentiometer
AD5203AR100	ROCHESTER	获取价格	100K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24, SOIC-24
AD5203AR100-REEL	ROCHESTER	获取价格	100K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24, SOIC-24
AD5203AR10-REEL	ROCHESTER	获取价格	10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24, SOIC-24
AD5203AR10-REEL	ADI	获取价格	IC 10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24, SOIC-
AD5203ARU10	ADI	获取价格	4-Channel, 64-Position Digital Potentiometer
AD5203ARU10	ROCHESTER	获取价格	10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24, TSSOP-24
AD5203ARU100	ADI	获取价格	4-Channel, 64-Position Digital Potentiometer

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