Datasheet > AD5271BRMZ-20-U1

AD5271BRMZ-20-U1

更新时间： 2024-01-12 15:48:06

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管转换器
页数	文件大小	规格书
17页	245K
描述
IC,DIGITAL POTENTIOMETER,TSSOP,10PIN,PLASTIC

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AD5271BRMZ-20-U1 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
Reach Compliance Code：	compliant	风险等级：	5.84
转换器类型：	DIGITAL POTENTIOMETER	JESD-30 代码：	R-PDSO-G10
端子数量：	10	最高工作温度：	105 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装等效代码：	TSSOP10,.19,20
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：	+-2.5,3/5 V	认证状态：	Not Qualified
子类别：	Digital Potentiometers	表面贴装：	YES
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	DUAL
Base Number Matches：	1

AD5271BRMZ-20-U1 数据手册

Single Channel, 1% Resistor tolerance,

1024/256-Position Digital Variable Resistor

Preliminary Technical Data

AD5270/AD5271

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Single-channel, 1,024/256-position resolution

20 kΩ, 50 kΩ and 100 kΩ nominal resistance

Calibrated 1% Nominal Resistor Tolerance

Multiple-time programmable set-and-forget resistance

setting allows 50 time permanent programming

Rheostat mode temperature coefficient: 35 ppm/°C

2.7V to 5.5V single-supply operation

2.5V to 2.75V dual-supply operation for AC or Bipolar

Operations

SPI compatible interface

Wiper setting readback

Power-on refreshed from 50-TP memory

Thin LFCSP(SON)-10 (3 mm x 3 mm x 0.8 mm) package

Compact MSOP-10 (3 mm × 4.9 mm x 1.1mm) package

APPLICATIONS

Mechanical potentiometer replacement

Instrumentation: gain, offset adjustment

Programmable voltage to current conversion

Programmable filters, delays, time constants

Programmable power supply

Figure 1. Block Diagram

Sensor calibration

the SPI compatible digital interface. Unlimited adjustments are

allowed before programming the resistance value into the 50-

TP (Fifty Time Programmable) memory. The AD5270/1 do not

require any external voltage supply to facilitate fuse blow and

there are 50 opportunities for permanent programming. During

50-TP activation, a permanent blow fuse command freezes the

wiper position (analogous to placing epoxy on a mechanical

trimmer).

GENERAL DESCRIPTION

The AD5270/1 are single-channel, 1024/256-positions digitally

controlled resistors¹with less than 1% end-to-end Resistor

Tolerance error and 50-Time Programmable Memory. The

AD5270/1 perform the same electronic adjustment function as

a mechanical rheostat with enhanced resolution, solid state

reliability, and superior low temperature coefficient perform-

ance.

The AD5270/1 offer guaranteed industry leading low resistor

tolerance errors of 1% with a nominal temperature coefficient

of 35 ppm/ºC. The low resistor tolerance feature simplifies

open-loop applications as well as precision calibration and

tolerance matching applications

The AD5270 and AD5271 are available in a thin 3mmX3mm

LFCSP package and in a compact 10ld MSOP package. The

parts are guaranteed to operate over the extended industrial

temperature range of −40°C to +105°C.

¹The terms programmable resistor and RDAC are used interchangeably.

The AD5270/1 device wiper settings are controllable through

Rev. PrA

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

registered trademarks 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

Fax: 781.326.8703

www.analog.com

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