Datasheet > AD5263

AD5263

更新时间： 2024-11-03 21:55:43

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
6页	85K
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Preliminary Technical Data

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AD5263 数据手册

PRELIMINARY TECHNICAL DATA

Quad +15V 256-Step DigiPOTs

with Pin Selectable SPI / I²C Digital Interface

Preliminary Technical Data

AD5263

FEATURES

Functional Block Diagram

256 Position

4-Channel (Independently Programmable)

20k, 50k, 200k Ohms

V_DD

V_SS

Low Temperature Coefficient 50ppm/^oC

Selectable Digital Interface (3-Wire SPI Compatible or 2-Wire I²C

Compatible Serial Data Input)

SHDN

RDAC 1

RDAC 2

RDAC 3

RDAC 4

RESB / AD1

Operating temperature range -40 to 125ºC

+5 to +15V Single-Supply; ±5V Dual-Supply Operation

V_L

AD5263

ADDRESS

DECODER

CLK /SCL

SDI / SDA

CS / AD0

APPLICATIONS

SERIAL INPUT

SPI / I²C

SELECT

LOGIC

Mechanical Potentiometer Replacement

Optical Network Laser LED Adjust

Instrumentation: Gain, Offset Adjustment

Stereo Channel Audio Level Control

Automotive Electronics Adjustment

Programmable Voltage to Current Conversion

Programmable Filters, Delays, Time Constants

Line Impedance Matching

GND

DIS

NC / O2

SDO / O1

Low Resolution DAC Replacement

GENERAL DESCRIPTION

The AD5263 is the industry first quad channel, 256 position,

digital potentiometer¹selectable digital interface. These devices

perform the same electronic adjustment function as mechanical

potentiometers or variable resistor with enhanced resolution, solid-

state reliability, and superior low temperature coefficient

performance. Each Channel of the AD5263 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 3 wire SPI or 2-wire

I²C 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 RDAC latch¹. 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 20k, 50k or

200kΩ has a nominal temperature coefficient of 50 ppm/°C. Unlike

majority of the digital potentiometers in the market, these devices

can operate up to 15V or ±5V provided proper supply voltages are

furnished.

Figure 1 Normalized Gain Flatness Versus Frequency.

The AD5263 are available in thin narrow body TSSOP-24. All

parts are guaranteed to operate over the extended automotive

temperature range of -40°C to +125°C.

08 AUG ’02, REV PrD

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 U.S.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 which may result from its use. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices.

Tel: 781/329-4700

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

Fax: 781/326-8703

12 3 4 5 6

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与AD5263相关器件

型号	品牌	获取价格	描述	数据表
AD5263_12	ADI	获取价格	Quad, 15 V, 256-Position, Digital Potentiometer with Pin-Selectable SPI/I2C
AD5263BRU20	ADI	获取价格	Preliminary Technical Data
AD5263BRU200	ADI	获取价格	Preliminary Technical Data
AD5263BRU200-REEL7	ADI	获取价格	Preliminary Technical Data
AD5263BRU20-REEL7	ADI	获取价格	Preliminary Technical Data
AD5263BRU50	ADI	获取价格	Preliminary Technical Data
AD5263BRU50-REEL7	ADI	获取价格	Preliminary Technical Data
AD5263BRUZ20	ADI	获取价格	Quad, 15 V, 256-Position, Digital Potentiometer with Pin-Selectable SPI/I2C
AD5263BRUZ200	ADI	获取价格	Quad, 15 V, 256-Position, Digital Potentiometer with Pin-Selectable SPI/I2C
AD5263BRUZ200-R7	ADI	获取价格	Quad, 15 V, 256-Position, Digital Potentiometer with Pin-Selectable SPI/I2C

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