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| 型号： | AD5282BRU20 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 数字电位计 |
| 英文描述： | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| 中文描述： | DUAL 20K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO16 |
| 封装： | MO-153AB, TSSOP-16 |
| 文件页数： | 1/10页 |
| 文件大小： | 156K |
| 代理商： | AD5282BRU20 |
PRELIMINARY TECHNICAL DATA
Prelimnary Technical Data
AD5280/AD5282
a
+15V, I
2
C Compatible
Dgital Potentiometers
FEATURES
256 Position
AD5280 – 1-Channel
AD5282 – 2-Channel (Independently Programmable)
Potentiometer Replacement
20K, 50K, 200K Ohm with TC < 50ppm/oC
Internal Power ON Mid-Scale Preset
+5 to +15V Single-Supply; ±5.5V Dual-Supply Operation
I
2
C Compatible Interface
REV PrE 12 MAR 02
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 which may result fromits use. No license is granted by
implication or otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106,
Norwood, MA 02062-9106 U
.
S
.
A
.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2002
APPLICATIONS
Multi-Media, Video & Audio
Communications
Mechanical Potentiometer Replacement
Instrumentation: Gain, Offset Adjustment
Programmable Voltage to Current Conversion
Line Impedance Matching
GENERAL DESCRIPTION
The AD5280/AD5282 provides 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. The fixed
A-to-B terminal resistance of 20, 50 or 200K ohms has a 1%
channel-to-channel matching tolerance with a nominal temperature
coefficient of 30 ppm/°C.
Wiper Position programming defaults to midscale at system power
ON. Once powered the VR wiper position is programmed by a I
2
C
compatible 2-wire serial data interface. Both parts have two
programmable logic outputs available to drive digital loads, gates,
LED drivers, analog switches, etc.
FUNCTIONAL BLOCK DIAGRAMS
RDAC1 REGISTER
ADDRESS
DECODE
SERIAL INPUT REGISTER
PWR ON
RESET
SDA
SCL
V
SS
V
DD
GND
A
1
W
1
B
1
AD5280
8
SHDN
RDAC2 REGISTER
O
1
R
R
V
L
AD0
AD1
O
2
RDAC1 REGISTER
ADDRESS
DECODE
SERIAL INPUT REGISTER
PWR ON
RESET
SDA
SCL
V
SS
V
DD
GND
A
1
W
1
B
1
AD5282
8
SHDN
RDAC2 REGISTER
A
2
W
2
B
2
R
R
V
L
AD0
AD1
OUTPUT
REGISTER
R
O
1
The AD5280/AD5282 are available in ultra compact surface mount
thin TSSOP-14/-16 packages. All parts are guaranteed to operate
over the extended industrial temperature range of -40°C to +85°C.
For 3-wire, SPI compatible interface applications, see
AD5203/AD5204/AD5206/AD7376/AD8400/AD8402/AD8403/
AD5260/AD5262/AD5200/AD5201 products.
ORDERING GUIDE
Kilo
Model
Ohms
Temp
Package
Description
Package
Option
AD5280BRU20
AD5280BRU50
AD5280BRU200
AD5282BRU20
AD5282BRU50
AD5282BRU200
The AD5280/AD5282 die size is 75 mil X 120 mil, 9,000 sq. mil.
Contains xxx transistors. Patent Number xxx applies.
20
50
200
-40/+85°C
-40/+85°C
-40/+85°C
TSSOP-14
TSSOP-14
TSSOP-14
RU-14
RU-14
RU-14
20
50
200
-40/+85°C
-40/+85°C
-40/+85°C
TSSOP-16
TSSOP-16
TSSOP-16
RU-16
RU-16
RU-16
相关PDF资料 |
PDF描述 |
|---|---|
| AD5282BRU200 | 10-Bit, 40MSPS ADC Dual Ch., Low Power 48-TQFP -40 to 85 |
| AD5300BRM-REEL | +2.7 V to +5.5 V, 140 uA, Rail-to-Rail Output 8-Bit DAC in an SOT-23 |
| AD5300BRM-REEL7 | +2.7 V to +5.5 V, 140 uA, Rail-to-Rail Output 8-Bit DAC in an SOT-23 |
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| AD5300BRT-REEL | +2.7 V to +5.5 V, 140 uA, Rail-to-Rail Output 8-Bit DAC in an SOT-23 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5282BRU200 | 功能描述:IC DUAL POT 200K 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) |
| AD5282BRU200-REEL7 | 功能描述:IC DGTL POT DUAL 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) |
| AD5282BRU20-REEL7 | 制造商:Analog Devices 功能描述:DGTL POTENTIOMETER 256POS 20KOHM DUAL 16TSSOP - Tape and Reel |
| AD5282BRU20Z | 制造商:Analog Devices 功能描述:DIG POT 2CH 256 20KOHM 14TSSOP 制造商:Analog Devices 功能描述:DIG POT, 2CH, 256, 20KOHM, TSSOP-16 制造商:Analog Devices 功能描述:DIG POT, 2CH, 256, 20KOHM, 14TSSOP 制造商:Analog Devices 功能描述:DIG POT, 2CH, 256, 20KOHM, 14TSSOP, End To End Resistance:20kohm, Track Taper:Li 制造商:Analog Devices 功能描述:DIG POT, 2CH, 256, 20KOHM, 14TSSOP, End To End Resistance:20kohm, Track Taper:Linear, Resistance Tolerance: 30%, Supply Voltage Min:4.5V, Supply Voltage Max:16.5V, Potentiometer IC Case Style:TSSOP, No. of Pins:16, No. of Steps:256, , RoHS Compliant: Yes |
| AD5282BRU50 | 功能描述:IC DUAL POT 50K 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) |
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