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參數(shù)資料
| 型號： | AD5161BRM5 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | 256-Position SPI/I2C Selectable Digital Potentiometer |
| 中文描述： | 5K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO10 |
| 封裝： | 3 X 4.90 MM, M0-187BA, MSOP-10 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 1002K |
| 代理商： | AD5161BRM5 |
256-Position SPI/I
2
C Selectable
Digital Potentiometer
AD5161
FEATURES
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 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 companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.326.8703
www.analog.com256-position
End-to-end resistance 5 k, 10 k, 50 k, 100 k
Compact MSOP-10 (3 mm × 4.9 mm) package
Pin selectable SPI/I
2
C compatible interface
Extra package address decode pin AD0
Full read/write of wiper register
Power-on preset to midscale
Single supply 2.7 V to 5.5 V
Low temperature coefficient 45 ppm/°C
Low power, I
DD
= 8 μA
Wide operating temperature –40°C
to +125°C
SDO output allows multiple device daisy-chaining
Evaluation board available
APPLICATIONS
Mechanical potentiometer replacement in new designs
Transducer adjustment of pressure, temperature, position,
chemical, and optical sensors
RF amplifier biasing
Automotive electronics adjustment
Gain control and offset adjustment
GENERAL OVERVIEW
The AD5161 provides a compact 3 mm × 4.9 mm packaged
solution for 256-position adjustment applications. These devices
perform the same electronic adjustment function as mechanical
potentiometers or variable resistors, with enhanced resolution,
solid-state reliability, and superior low temperature coefficient
performance.
The wiper settings are controllable through a pin selectable SPI
or I
2
C compatible digital interface, which can also be used to
read back the wiper register content. When the SPI mode is
used, the device can be daisy-chained (SDO to SDI), allowing
several parts to share the same control lines. In the I
2
C mode,
address pin AD0 can be used to place up to two devices on the
same bus. In this same mode, command bits are available to
reset the wiper position to midscale or to shut down the device
into a state of zero power consumption.
Operating from a 2.7 V to 5.5 V power supply and consuming
less than 5 μA allows for usage in portable battery-operated
applications.
FUNCTIONAL BLOCK DIAGRAM
WIPER
REGISTER
SDI/SDA
CLK/SCL
DIS
CS/AD0
GND
SDO/NC
V
DD
A
W
B
SPI OR I
2
C
INTERFACE
Figure 1.
PIN CONFIGURATION
1
2
3
4
5
10
9
8
7
6
A
B
CS/ADO
SDO/NC
SDI/SDA
DD
V
DIS
AD5161
TOP VIEW
(Not to Scale)
W
GND
CLK/SCL
Figure 2.
Note:
The terms
digital potentiometer
,
VR
, and
RDAC
are used interchangeably.
Purchase of licensed I
2
C components of Analog Devices or one of its sublicensed
Associated Companies conveys a license for the purchaser under the Philips I
2
C
Patent Rights to use these components in an I
2
C system, provided that the system
conforms to the I
C Standard Specification as defined by Philips.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD5161BRM50 | 功能描述:IC POT DGTL 50K 256POS 10-MSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:DPP 接片:32 電阻（歐姆）:10k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 300 ppm/°C 存儲器類型:非易失 接口:3 線串行（芯片選擇，遞增，增/減） 電源電壓:2.5 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN（2x3） 包裝:帶卷 (TR) |
| AD5161BRM50-RL7 | 功能描述:IC DGTL POT SPI 256POS 10-MSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:DPP 接片:32 電阻（歐姆）:10k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 300 ppm/°C 存儲器類型:非易失 接口:3 線串行（芯片選擇，遞增，增/減） 電源電壓:2.5 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN（2x3） 包裝:帶卷 (TR) |
| AD5161BRM5-RL7 | 功能描述:IC DGTL POT SPI 256POS 10-MSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:DPP 接片:32 電阻（歐姆）:10k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 300 ppm/°C 存儲器類型:非易失 接口:3 線串行（芯片選擇，遞增，增/減） 電源電壓:2.5 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN（2x3） 包裝:帶卷 (TR) |
| AD5161BRMZ10 | 功能描述:IC DGTL POT SPI 10K 10-MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲器類型:非易失 接口:3 線串口 電源電壓:2.7 V ~ 5.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN-EP（3x3） 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:1399 (CN2011-ZH PDF) 其它名稱:MAX5423ETA+TCT |
| AD5161BRMZ10 | 制造商:Analog Devices 功能描述:IC 8-BIT DIGITAL POT |
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