参数资料
型号: AD5270BRMZ-20-RL7
厂商: Analog Devices Inc
文件页数: 1/24页
文件大小: 0K
描述: IC DGTL POT SGL 1024POS 10MSOP
产品变化通告: AD527(0,1) Pin Requirement 14/Dec/2010
设计资源: Compact, Low Cost, 5 V, Variable Gain, Noninverting Amplifier Using AD5270/2 and AD8615 (CN0161)
Compact, Low Cost, 5 V, Variable Gain, Inverting Amplifier Using AD5270/2 and AD8615(CN0168)
标准包装: 1,000
接片: 1024
电阻(欧姆): 20k
电路数: 1
温度系数: 标准值 5 ppm/°C
存储器类型: 非易失
接口: 4 线串行
电源电压: 2.7 V ~ 5.5 V,±2.5 V ~ 2.75 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)
1024-/256-Position, 1% Resistor Tolerance Error,
SPI Interface and 50-TP Memory Digital Rheostat
Data Sheet
Rev. F
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
2009–2013 Analog Devices, Inc. All rights reserved.
FEATURES
Single-channel, 1024-/256-position resolution
20 kΩ, 50 kΩ, 100 kΩ nominal resistance
Maximum ±1% nominal resistor tolerance error
50-times programmable (50-TP) wiper memory
Rheostat mode temperature coefficient: 5 ppm/°C
2.7 V to 5.5 V single-supply operation
±2.5 V to ±2.75 V dual-supply operation for ac or bipolar
operations
SPI-compatible interface
Wiper setting readback
Power on refreshed from 50-TP memory
Thin LFCSP, 10-lead, 3 mm × 3 mm × 0.8 mm package
Compact MSOP, 10-lead, 3 mm × 4.9 mm × 1.1 mm package
APPLICATIONS
Mechanical rheostat replacements
Op-amp: variable gain control
Instrumentation: gain, offset adjustment
Programmable voltage to current conversions
Programmable filters, delays, time constants
Programmable power supply
Sensor calibration
FUNCTIONAL BLOCK DIAGRAM
10/8
VDD
VSS
EXT_CAP
GND
A
W
AD5270/AD5271
SCLK
DIN
SDO
SERIAL
INTERFACE
POWER-ON
RESET
RDAC
REGISTER
50-TP
MEMORY
BLOCK
SYNC
08
07
7
-00
1
Figure 1.
GENERAL DESCRIPTION
The AD5270/AD52711 are single-channel, 1024-/256-position
digital rheostats that combine industry leading variable resistor
performance with nonvolatile memory (NVM) in a compact
package.
The AD5270/AD5271 ensure less than 1% end-to-end resistor
tolerance error and offer 50-times programmable (50-TP) memory.
The guaranteed industry leading low resistor tolerance error
feature simplifies open-loop applications as well as precision
calibration and tolerance matching applications.
The AD5270/AD5271 device wiper settings are controllable
through the SPI digital interface. Unlimited adjustments are
allowed before programming the resistance value into the
50-TP memory. The AD5270/AD5271 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 resistance
position (analogous to placing epoxy on a mechanical trimmer).
The AD5270/AD5271 are available in a 3 mm × 3 mm, 10-lead
LFCSP package and in a 10-lead MSOP package. The parts are
guaranteed to operate over the extended industrial temperature
range of 40°C to +125°C.
1 Protected by U.S.Patent Number 7688240
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AD5270BRMZ-50 功能描述:IC RHEOSTAT 5V 50TP 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:3,300 系列:WiperLock™ 接片:257 电阻(欧姆):100k 电路数:1 温度系数:标准值 150 ppm/°C 存储器类型:易失 接口:3 线 SPI(芯片选择) 电源电压:1.8 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-VDFN 裸露焊盘 供应商设备封装:8-DFN-EP(3x3) 包装:带卷 (TR)
AD5270BRMZ-50-RL7 功能描述:IC RHEOSTAT 5V 50TP 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)
AD5271BCPZ-100-RL7 功能描述:IC RHEOSTAT 5V 50-TP 256 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)
AD5271BCPZ-20-RL7 功能描述:IC RHEOSTAT 5V 50-TP 256 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)
AD5271BRMZ-100 功能描述:IC RHEOSTAT 5V 50-TP 256 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)