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AD1585ARTZ-R2 Datasheet(Fiches technique) 1 Page - Analog Devices

Numéro de pièce AD1585ARTZ-R2
Description  2.5 V to 5.0 V Micropower, Precision Series Mode Voltage References
Télécharger  16 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD1585ARTZ-R2 Datasheet(HTML) 1 Page - Analog Devices

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2.5 V to 5.0 V Micropower, Precision
Series Mode Voltage References
Data Sheet
AD1582/AD1583/AD1584/AD1585
Rev. J
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
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
©1997–2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
FEATURES
Series reference (2.5 V, 3 V, 4.096 V, 5 V)
Low quiescent current: 70 µA maximum
Current output capability: ±5 mA
Wide supply range: VIN = VOUT + 200 mV to 12 V
Wideband noise (10 Hz to 10 kHz): 50 µV rms
Specified temperature range: −40°C to +125°C
Compact, surface-mount SOT-23 package
APPLICATIONS
Portable, battery-powered equipment; for example,
notebook computers, cellular phones, pagers, PDAs, GPSs,
and DMMs
Computer workstations; suitable for use with a wide range
of video RAMDACs
Smart industrial transmitters
PCMCIA cards
Automotive
Hard disk drives
3 V/5 V, 8-bit/12-bit data converters
PIN CONFIGURATION
VOUT 1
GND
2
VIN
3
AD1582/
AD1583/
AD1584/
AD1585
TOP VIEW
(Not to Scale)
Figure 1. 3-Lead SOT-23-3 (RT Suffix)
900
800
700
600
2.7
5
SHUNT REFERENCE1
AD1582 SERIES REFERENCE
200
100
0
500
400
300
VSUPPLY (V)
13.076k
Ω SOURCE RESISTOR.
Figure 2. Supply Current (μA) vs. Supply Voltage (V)
GENERAL DESCRIPTION
The AD1582/AD1583/AD1584/AD1585 are low cost, low power,
low dropout, precision band gap references. These designs are
available as 3-terminal (series) devices and are packaged in the
compact SOT-23, 3-lead surface-mount package. The versatility
of these references makes them ideal for use in battery-powered
3 V or 5 V systems where there can be wide variations in supply
voltage and a need to minimize power dissipation.
The superior accuracy and temperature stability of the AD1582/
AD1583/AD1584/AD1585 result from the precise matching and
thermal tracking of on-chip components. Patented temperature
drift curvature correction design techniques minimize the
nonlinearities in the voltage output temperature characteristic.
The AD1582/AD1583/AD1584/AD1585 series mode devices
source or sink up to 5 mA of load current and operate efficiently
with only 200 mV of required headroom supply. These parts
draw a maximum 70 μA of quiescent current with only a
1.0 μA/V variation with supply voltage. The advantage of
these designs over conventional shunt devices is extraordinary.
Valuable supply current is no longer wasted through an input
series resistor, and maximum power efficiency is achieved at
all input voltage levels.
The AD1582/AD1583/AD1584/AD1585 are available in two
grades, A and B, and are provided in a tiny footprint, the SOT-
23. All grades are specified over the industrial temperature
range of −40°C to +125°C.
Table 1. AD158x Products, Three Electrical Grades
Electrical
Grade
Initial Accuracy
Temperature
Coefficient
(ppm°C)
AD1582
AD1583/AD1585
AD1584
B
0.08%
0.10%
0.10%
50
A
0.80%
1.00%
0.98%
100


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