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参数资料
| 型号： | AD5242BRU10-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 256POS 16-TSSOP T/R |
| 产品变化通告： | Product Discontinuance 27/Oct/2011 |
| 标准包装： | 1,000 |
| 接片： | 256 |
| 电阻（欧姆）： | 10k |
| 电路数： | 2 |
| 温度系数： | 标准值 30 ppm/°C |
| 存储器类型： | 易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.7 V ~ 5.5 V，±2.3 V ~ 2.7 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
| 配用： | EVAL-AD5242EBZ-ND - BOARD EVALUATION FOR AD5242 |
I2C-Compatible,
256-Position Digital Potentiometers
AD5241/AD5242
Rev. C
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
www.analog.com
Fax: 781.461.3113
2001–2009 Analog Devices, Inc. All rights reserved.
FEATURES
256 positions
10 kΩ, 100 kΩ, 1 MΩ
Low temperature coefficient: 30 ppm/°C
Internal power on midscale preset
Single-supply 2.7 V to 5.5 V or dual-supply ±2.7 V for ac or
bipolar operation
I2C-compatible interface with readback capability
Extra programmable logic outputs
Self-contained shutdown feature
Extended temperature range: 40°C to +105°C
APPLICATIONS
Multimedia, video, and audio
Communications
Mechanical potentiometer replacement
Instrumentation: gain, offset adjustment
Programmable voltage-to-current conversion
Line impedance matching
FUNCTIONAL BLOCK DIAGRAM
RDAC
REGISTER 1
ADDR
DECODE
8
PWR-ON
RESET
SERIAL INPUT REGISTER
AD5241
SHDN
VDD
VSS
SDA
SCL
GND
A1 W1 B1
O1 O2
REGISTER 2
AD0
AD1
0
092
6-
0
01
Figure 1. AD5241 Functional Block Diagram
A1 W1 B1
A2 W2 B2
O1 O2
RDAC
REGISTER 1
ADDR
DECODE
8
PWR-ON
RESET
SERIAL INPUT REGISTER
AD5242
VDD
VSS
SDA
SCL
GND
RDAC
REGISTER 2
REGISTER
1
AD0
AD1
00
92
6-
0
02
SHDN
Figure 2. AD5242 Functional Block Diagram
GENERAL DESCRIPTION
The AD5241/AD5242 provide a single-/dual-channel, 256-
position, digitally controlled variable resistor (VR) device. These
devices perform the same electronic adjustment function as a
potentiometer, trimmer, or variable resistor. Each VR offers a
completely programmable value of resistance between the A
terminal and the wiper, or the B terminal and the wiper. For the
AD5242, the fixed A-to-B terminal resistance of 10 kΩ, 100 kΩ,
or 1 MΩ has a 1% channel-to-channel matching tolerance. The
nominal temperature coefficient of both parts is 30 ppm/°C.
Wiper position programming defaults to midscale at system
power on. When powered, the VR wiper position is programmed
by an I2C-compatible, 2-wire serial data interface. Both parts
have two extra programmable logic outputs available that
enable users to drive digital loads, logic gates, LED drivers, and
analog switches in their system.
The AD5241/AD5242 are available in surface-mount, 14-lead
SOIC and 16-lead SOIC packages and, for ultracompact solutions,
14-lead TSSOP and 16-lead TSSOP packages. All parts are
guaranteed to operate over the extended temperature range of
40°C to +105°C.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5242BRU10Z | 制造商:Analog Devices 功能描述:DIG POT 256 5.5V 10KOHM 14 |
| AD5242BRU1M | 功能描述:IC DGTL POT 256POS 16-TSSOP RoHS:否 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) |
| AD5242BRU1M-REEL7 | 功能描述:IC DGTL POT 256POS 16-TSSOP T/R RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:2,500 系列:XDCP™ 接片:256 电阻（欧姆）:100k 电路数:1 温度系数:标准值 ±300 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:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:14-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:14-TSSOP 包装:带卷 (TR) |
| AD5242BRU-REEL7 | 制造商:Analog Devices 功能描述:I2C? COMPATIBLE DIGITAL POTENTIOMETER - Tape and Reel |
| AD5242BRUZ10 | 功能描述:IC DGTL POT 256POS 16-TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 接片:256 电阻（欧姆）:100k 电路数:1 温度系数:标准值 35 ppm/°C 存储器类型:非易失 接口:3 线串口 电源电压:2.7 V ~ 5.25 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WDFN 裸露焊盘 供应商设备封装:8-TDFN-EP（3x3） 包装:剪切带 (CT) 产品目录页面:1399 (CN2011-ZH PDF) 其它名称:MAX5423ETA+TCT |
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