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| 型號： | EVAL-AD5290EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD5290 |
| 設計資源： | AD5290 Evaluation Tools |
| 標準包裝： | 1 |
| 主要目的： | 數字電位器 |
| 已用 IC / 零件： | AD5290 |
| 已供物品： | 板 |
| 相關產品： | AD5290YRMZ50-R7-ND - IC POT DGTL 50KW 256POS 10-MSOP AD5290YRMZ10-R7-ND - IC POT DGTL 10KW 256POS 10-MSOP AD5290YRMZ100-R7-ND - IC POT DGTL 100KW 256POS 10-MSOP AD5290YRMZ50-ND - IC DGTL POT 50K 256POS 10MSOP AD5290YRMZ100-ND - IC DGTL POT 100K 256POS 10MSOP AD5290YRMZ10-ND - IC DGTL POT 10K 256POS 10MSOP |
Compact +30 V / ±15 V 256-Position
Digital Potentiometer
Data Sheet
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
Fax: 781.461.3113
2005-2011 Analog Devices, Inc. All rights reserved.
FEATURES
256 position
10 kΩ, 50 kΩ, 100 kΩ
+20 V to +30 V single-supply operation
±10 V to ±15 V dual-supply operation
3-wire SPI-compatible serial interface
Low temperature coefficient 35 ppm/°C typical
THD 0.006% typical
Midscale preset
Compact MSOP-10 package
Automotive temperature range: 40°C to +125°C
iCMOS1 process technology
APPLICATIONS
High voltage DAC
Programmable power supply
Programmable gain and offset adjustment
Programmable filters and delays
Actuator control
Audio volume control
Mechanical potentiometer replacement
FUNCTIONAL BLOCK DIAGRAM
VDD
A
W
B
VSS
SDI
CLK
CS
SDO
DGND
POR
8
RS
8-BIT
LATCH
8-BIT
SERIAL
REGISTER
Q
D
CK
AD5290
04716-001
Figure 1.
GENERAL DESCRIPTION
The AD5290 is one of the few high voltage, high performance,
and compact digital potentiometers2, 3 in the market at present.
This device can be used as a programmable resistor or resistor
divider. The AD5290 performs the same electronic adjustment
function as mechanical potentiometers, variable resistors, and
trimmers, with enhanced resolution, solid-state reliability, and
superior temperature stability.
With digital rather than manual control, the AD5290 provides
layout flexibility and allows closed-loop dynamic controllability.
The AD5290 is available in MSOP-10 package and has 10 kΩ,
50 kΩ, and 100 kΩ options. All parts are guaranteed to operate
over the 40°C to +125°C extended automotive temperature range.
1 iCMOS Process Technology. For analog systems designers who need high performance ICs at higher voltage levels, iCMOS is a technology platform that enables the
development of analog ICs capable of 30 V and operating at ±15 V supplies while allowing dramatic reductions in power consumption and package size, and
increased ac and dc performance.
2 The terms digital potentiometer and RDAC are used interchangeably.
3 The RDAC segmentation is protected by U.S. Patent Number 5,495,245.
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