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| 型號： | AD5280BRU200 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| 中文描述： | 200K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14 |
| 封裝： | MO-153AB-1, TSSOP-14 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 156K |
| 代理商： | AD5280BRU200 |
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD5282 | Low Power, 8 Channel, 10-bit, 65MSPS ADC, 1.8V 257-BGA MICROSTAR 0 to 70 |
| AD5282BRU20 | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD5280BRU200-REEL7 | 制造商:Analog Devices 功能描述:Digital Potentiometer 256POS 200KOhm Single 14-Pin TSSOP T/R 制造商:Analog Devices 功能描述:DGTL POTENTIOMETER 256POS 200KOHM SGL 14TSSOP - Tape and Reel |
| AD5280BRU20-REEL7 | 制造商:Analog Devices 功能描述:Digital Potentiometer 256POS 20KOhm Single 14-Pin TSSOP T/R |
| AD5280BRU50 | 制造商:Analog Devices 功能描述:Digital Potentiometer 256POS 50KOhm Single 14-Pin TSSOP |
| AD5280BRU50-REEL7 | 制造商:Analog Devices 功能描述:Digital Potentiometer 256POS 50KOhm Single 14-Pin TSSOP T/R |
| AD5280BRUZ20 | 功能描述:IC DGTL POT 15V 20K 14-TSSOP 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 |
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