Datasheet > AD5171BRJZ10-R2

AD5171BRJZ10-R2

更新时间： 2024-02-23 07:06:53

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管转换器电阻器
页数	文件大小	规格书
24页	633K
描述
64 Position OTP Digital Potentiometer

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AD5171BRJZ10-R2 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SOIC
包装说明：	LSSOP,	针数：	8
Reach Compliance Code：	unknown	风险等级：	5.76
其他特性：	IT CAN ALSO OPERATE FROM A 5V NOMINAL SUPPLY	标称带宽：	0.6 kHz
控制接口：	2-WIRE SERIAL	转换器类型：	DIGITAL POTENTIOMETER
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e3
长度：	2.9 mm	湿度敏感等级：	1
功能数量：	1	位置数：	64
端子数量：	8	最高工作温度：	125 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	LSSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
认证状态：	COMMERCIAL	电阻定律：	LINEAR
最大电阻容差：	30%	最大电阻器端电压：	3 V
座面最大高度：	1.45 mm	标称供电电压：	3 V
表面贴装：	YES	标称温度系数：	35 ppm/ °C
温度等级：	AUTOMOTIVE	端子面层：	MATTE TIN
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	40
标称总电阻：	10000 Ω	宽度：	1.6 mm
Base Number Matches：	1

AD5171BRJZ10-R2 数据手册

64-Position OTP Digital Potentiometer

AD5171

FUNCTIONAL BLOCK DIAGRAM

FEATURES

64 position

SCL

One-time programmable (OTP) set-and-forget resistance

setting—low cost alternative over EEMEM

Unlimited adjustments prior to OTP activation

5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ end-to-end resistance

Low temperature coefficient: 5 ppm/°C in potentiometer mode

Low temperature coefficient: 35 ppm/°C in rheostat mode

Compact standard 8-lead SOT-23 package

Low power: I_DD= 10 μA maximum

I C INTERFACE

SDA

AD0

AND

CONTROL LOGIC

WIPER

GND

FUSE

LINK

Fast settling time: t_S= 5 μs typical in power-up

I²C-compatible digital interface

AD5171

Computer software replaces microcontroller in factory

programming applications

Figure 1.

Full read/write of wiper register

Extra I²C device address pin

AD5171

TOP VIEW

Low operating voltage: 2.7 V to 5.5 V

OTP validation check function

GND

SCL

AD0

SDA

(Not to Scale)

Automotive temperature range: −40°C to +125°C

Figure 2. Pin Configuration

When this permanent setting is achieved, the value does not

change regardless of supply variations or environmental stresses

under normal operating conditions. To verify the success of

permanent programming, Analog Devices, Inc., patterned the

OTP validation such that the fuse status can be discerned from

two validation bits in read mode.

APPLICATIONS

System calibrations

Electronics level settings

Mechanical trimmers and potentiometer replacements

Automotive electronics adjustments

Gain control and offset adjustments

Transducer circuit adjustments

For applications that program the AD5171 in factories, Analog

Devices offers device programming software that operates

across Windows® 95 to XP platforms, including Windows NT.

This software application effectively replaces the need for external

I²C controllers or host processors and, therefore, significantly

reduces the development time of the users.

Programmable filters up to 1.5 MHz BW¹

GENERAL DESCRIPTION

The AD5171 is a 64-position, one-time programmable (OTP)

digital potentiometer²that uses fuse link technology to achieve

the memory retention of the resistance setting function. OTP is

a cost-effective alternative over the EEMEM approach for users

who do not need to reprogram new memory settings in the

digital potentiometer. This device performs the same electronic

adjustment function as most mechanical trimmers and variable

resistors. The AD5171 is programmed using a 2-wire, I²C®-

compatible digital control. It allows unlimited adjustments

before permanently setting the resistance value. During the

OTP activation, a permanent fuse blown command is sent after the

final value is determined, freezing the wiper position at a given

setting (analogous to placing epoxy on a mechanical trimmer).

An AD5171 evaluation kit includes the software, connector, and

cable that can be converted for factory programming applications.

The AD5171 is available in a compact 8-lead SOT-23 package.

All parts are guaranteed to operate over the automotive temper-

ature range of −40°C to +125°C. Besides its unique OTP feature,

the AD5171 lends itself well to other general-purpose digital

potentiometer applications due to its temperature performance,

small form factor, and low cost.

¹Applies to 5 kΩ parts only.

²The terms digital potentiometer and RDAC are used interchangeably.

Rev. D

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

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