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AD5290YRMZ10-R7 数据手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
数字电位器
封装:
MSOP-10
描述:
紧凑型30 V / 15 ， -15 V 256位数字电位计 Compact 30 V / 15,-15 V 256-Position Digital Potentiometer
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AD5290YRMZ10-R7数据手册
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Compact +30 V / ±15 V 256-Position
Digital Potentiometer
Data Sheet
AD5290
Rev. C
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 that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
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 ©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
iCMOS™
1
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
V
DD
A
W
B
V
SS
SDI
CLK
CS
SDO
DGND
POR
8 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 potentiometers
2, 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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