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PDF AD5290 Data sheet ( Hoja de datos )
| Número de pieza | AD5290 | |
| Descripción | Compact 30V/+-15V 256-Position Digital Potentiometer | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AD5290 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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Preliminary Technical Data
Compact +30V/±15V 256-Position Digital
Potentiometer
AD5290
FEATURES
256-position
+2.7V to +30V Single Supply Operation
±2.7V to ±15V Dual Supply Operation
End-to-end resistance 10 kΩ, 50 kΩ, 100 kΩ
Low temperature coefficient 35 ppm/°C
Power-on preset to midscale
SPI compatible interface
Automotive temperature range –40°C to +105°C
Compact MSOP-10 (3 mm × 4.9 mm) package
APPLICATIONS
Programmable Gain and Offset
Programmable Power Supply
Industrial Actuator Control
LED Array Driver
Audio Volume Control
General Purpose DAC Replacement
Mechanical Potentiometer Replacement
GENERAL OVERVIEW
The AD5290 is a low cost, compact 2.9 mm × 3 mm
+30V/±15V, 256-position digital potentiometer. This device
performs the same electronic adjustment function as
mechanical potentiometers or variable resistors, with enhanced
resolution, solid-state reliability, and superior low temperature
coefficient performance.
The wiper settings are controllable through an SPI compatible
digital interface. The resistance between the wiper and either
end point of the fixed resistor varies linearly with respect to the
digital code transferred into the RDAC latch.
The AD5290 is available in 10k, 50k, and 100kΩ in compact
MSOP-10 package. AD5290 can be operated from a single
supply +2.7 V to +30 V or dual supply ±2.7 V to ±15 V. All
parts are guaranteed to operate over the automotive
temperature range of -40°C to +105°C.
SDO
SDI
CLK
CS
FUNCTIONAL BLOCK DIAGRAM
AD5290
Q
8-Bit
8 8-Bit
SERIAL
LATCH
REG
8
D
CK
RS
POR
VDD
A
W
B
VSS
Figure 1.
DG ND
Note:
The terms digital potentiometer and RDAC are used interchangeably.
Rev. PrC
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 companies.
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 © 2004 Analog Devices, Inc. All rights reserved.
1 page  
www.DParteaSlihmeeint4aUr.cyoTmechnical Data
ABSOLUTE MAXIMUM RATINGS1
(TA = +25°C, unless otherwise noted.)
Table 3.
Parameter
VDD to VSS
VDD to GND
VSS to GND
VA, VB, VW to GND
Maximum Current
IWB, IWA Pulsed
IWB Continuous (RWB ≤ 1 kΩ, A open)1
IWA Continuous (RWA ≤ 1 kΩ, B open)1
Digital Inputs Voltage to GND
Digital Output Voltage to GND
Operating Temperature Range
Maximum Junction Temperature (TJMAX)
Value
–0.3 V to +33 V
–0.3 V to +33 V
+0.3 V to –16.5 V
VSS , VDD
±20 mA
±5 mA
±5 mA
VDD + 0.3 V
0 V, +30 V
–40°C to +105°C
150°C
AD5290
Storage Temperature
–65°C to +150°C
Lead Temperature (Soldering, 10 – 30 sec) 245°C
Thermal Resistance2 θJA: MSOP-10
230°C/W
NOTES
1 Maximum terminal current is bounded by the maximum current handling
of the switches, maximum power dissipation of the package, and maximum
applied voltage across any two of the A, B, and W terminals at a given
resistance.
2 Package power dissipation = (TJMAX – TA)/θJA.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only and functional operation of the device at these or
any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods
may affect device reliability.
Rev. Pr C | Page 5 of 11
5 Page 
www.DParteaSlihmeeint4aUr.cyomTechnical Data
OUTLINE DIMENSIONS
3.00 BSC
10
3.00 BSC
1
6
4.90 BSC
5
PIN 1
0.95
0.85
0.75
0.50 BSC
1.10 MAX
0.15
0.00
0.27
0.17
COPLANARITY
0.10
SEATING 0.23
PLANE 0.08
8°
0°
COMPLIANT TO JEDEC STANDARDS MO-187BA
0.80
0.60
0.40
Figure 5. 10-Lead Mini Small Outline Package [MSOP]
(RM-10)
Dimensions shown in millimeters
AD5290
Ordering Guide
Model1
RAB (kΩ) Temperature Range
AD5290YRMZ10
10 –40°C to +105°C
AD5290YRMZ10-RL7
10
–40°C to +105°C
AD5290YRMZ50
50 –40°C to +105°C
AD5290YRMZ50-RL7
50
–40°C to +105°C
AD5290YRMZ100
100 –40°C to +105°C
AD5290YRMZ100-RL7
100
–40°C to +105°C
AD5290EVAL
NOTES:
1. Z in Model Number denotes Lead Free Package
Package Description
MSOP-10
MSOP-10
MSOP-10
MSOP-10
MSOP-10
MSOP-10
Evaluation Board
Package Option
RM-10
RM-10
RM-10
RM-10
RM-10
RM-10
Branding
D4U
D4U
D4T
D4T
D4V
D4V
Purchase of licensed I2C components of Analog Devices or one of its sublicensed Associated Companies conveys a license for the purchaser under the Philips I2C Patent
Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips.
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the
human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
Rev. Pr C | Page 11 of 11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet AD5290.PDF ] | |
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