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| 型号： | AD5173BRMZ50-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/28页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL DUAL 50K OTP 10MSOP |
| 标准包装： | 1,000 |
| 接片： | 256 |
| 电阻（欧姆）： | 50k |
| 电路数： | 2 |
| 温度系数： | 标准值 35 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 带卷 (TR) |
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256-Position, One-Time Programmable,
Dual-Channel, I2C Digital Potentiometers
Data Sheet
Rev. I
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2003–2013 Analog Devices, Inc. All rights reserved.
FEATURES
2-channel, 256-position potentiometers
One-time programmable (OTP) set-and-forget resistance
setting provides a low cost alternative to EEMEM
Unlimited adjustments prior to OTP activation
OTP overwrite allows dynamic adjustments with user-
defined preset
End-to-end resistance: 2.5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ
Compact 10-lead MSOP: 3 mm × 4.9 mm
Fast settling time: tS = 5 μs typical on power-up
Full read/write of wiper register
Power-on preset to midscale
Extra package address decode pins: AD0 and AD1 (AD5173 )
Single supply: 2.7 V to 5.5 V
Low temperature coefficient: 35 ppm/°C
Low power: IDD = 6 μA maximum
Wide operating temperature: 40°C to +125°C
APPLICATIONS
Systems calibration
Electronics level setting
Mechanical trimmers replacement in new designs
Permanent factory PCB setting
Transducer adjustment of pressure, temperature, position,
chemical, and optical sensors
RF amplifier biasing
Automotive electronics adjustment
Gain control and offset adjustment
FUNCTIONAL BLOCK DIAGRAMS
A1
VDD
GND
SDA
SCL
W1
RDAC
REGISTER 1
SERIAL INPUT
REGISTER
B1
A2
W2
RDAC
REGISTER 2
B2
FUSE
LINKS
12
/
8
0
41
03
-00
1
Figure 1. AD5172 Functional Block Diagram
VDD
GND
SDA
SCL
AD0
AD1
W1
RDAC
REGISTER 1
ADDRESS
DECODE
SERIAL INPUT
REGISTER
B1
W2
RDAC
REGISTER 2
B2
FUSE
LINKS
12
/ 8
04
10
3-
00
2
Figure 2. AD5173 Functional Block Diagram
GENERAL DESCRIPTION
The AD5172/AD5173 are dual-channel, 256-position, one-time
programmable (OTP) digital potentiometers1 that employ fuse
link technology to achieve memory retention of resistance
settings. OTP is a cost-effective alternative to EEMEM for users
who do not need to program the digital potentiometer setting
in memory more than once. These devices perform the same
electronic adjustment function as mechanical potentiometers or
variable resistors but with enhanced resolution, solid-state reliabil-
ity, and superior low temperature coefficient performance.
compatible digital interface. Unlimited adjustments are allowed
before permanently setting the resistance value. During OTP
activation, a permanent blow fuse command freezes the wiper
position (analogous to placing epoxy on a mechanical trimmer).
Unlike traditional OTP digital potentiometers, the AD5172/
AD5173 have a unique temporary OTP overwrite feature that
allows for new adjustments even after a fuse is blown. However,
the OTP setting is restored during subsequent power-up condi-
tions. This allows users to treat these digital potentiometers as
volatile potentiometers with a programmable preset.
1 The terms digital potentiometer, VR, and RDAC are used interchangeably.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5173BRMZ50-RL72 | 制造商:AD 制造商全称:Analog Devices 功能描述:256-Position, One-Time Programmable, Dual-Channel, I2C Digital Potentiometers |
| AD5173EVAL1 | 制造商:AD 制造商全称:Analog Devices 功能描述:256-Position One-Time Programmable Dual-Channel I2C Digital Potentiometers |
| AD5174 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory |
| AD5174BCPZ-10-R2 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory |
| AD5174BCPZ-10-RL7 | 功能描述:IC RHEOSTAT 5V 50-TP 1024 10MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:3,000 系列:DPP 接片:32 电阻（欧姆）:10k 电路数:1 温度系数:标准值 300 ppm/°C 存储器类型:非易失 接口:3 线串行（芯片选择，递增，增/减） 电源电压:2.5 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WFDFN 裸露焊盘 供应商设备封装:8-TDFN（2x3） 包装:带卷 (TR) |
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