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AD1587 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer AD1587
Beschreibung Precision Shunt Mode Voltage References
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 11 Seiten
AD1587 Datasheet, Funktion
a
2.5 V to 5.0 V Micropower, Precision
Shunt Mode Voltage References
PRELIMINARY TECHNICAL INFORMATION
FEATURES
Shunt Reference (2.5V, 3V, 4.096V, 5V)
Initial Accuracy: +/- 0.1% max
Temperature Drift: +/- 50 ppm/°C max
Wide Operating Range : 50µA to 10mA
Dynamic Output Impedance : 0.5max
Wideband Noise (10Hz - 10kHz): 50µVRMS
Operating Temperature Range: -40°C to 85°C
Compact, Surface-Mount, SOT-23 package
AD1586/7/8/9
FUNCTIONAL BLOCK DIAGRAM
V+ 1
V- 2
3 NC
AD1586/7/8/9
TOP VIEW
NC = NO CONNECT
GENERAL DESCRIPTION
TARGET APPLICATIONS
The AD1586, AD1587, AD1588, and AD1589 are a family of 1. Portable, Battery-Powered Equipment:
low cost, low power, precision bandgap references. They are
Notebook Computers, Cellular Phones, Pagers, PDA's,
available as two-terminal (shunt) devices and are packaged in the GPS', and DMM's.
compact SOT-23. These references provide accurate output
voltages for input currents between 50µA and 10mA.
2. Computer Workstations:
Suitable for use with a wide range of video RAMDACs.
3. Smart Industrial Transmitters.
The AD1586/7/8/9's superior accuracy and temperature stability
are made possible by the precise matching and thermal tracking 4. PCMCIA Cards.
of on-chip components. Patented temperature drift curvature
correction design techniques have been used to minimize the
nonlinearities in the voltage output temperature characteristic.
5. Automotive.
6. Hard Disk Drives.
7. 3 V / 5 V 8-12 Bit Data Converters.
The low minimum operating currents of the AD1586/7/8/9 make
these references ideal for use in battery powered 3V or 5V
systems, where there is a need to minimize power dissipation.
With their wide input current ranges, however, these designs are
extremely versatile and suitable for use in a variety of high
100
current applications. In addition, their tiny packaging and
inherent stability under all values of capacitive load, makes the
AD1586/7/8/9 family of references ideal for space critical
applications.
The AD1586, AD1587, AD1588, and AD1589, are available in
two grades, A and B, both of which are provided in the smallest
-µA10
RENT
CUR
REVERSE 1
available package on the market, the SOT-23. Both grades are
specified over the industrial temperature range of -40°C to
+85°C.
0.1
0
0.2 0.4
0.6 0.8 1.0
REVERSE VOLTAGE - V
1.2 1.4
Reverse Voltage Temperature Drift Distribution
PRELIM. B, JUNE 96
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 from its 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: 617/329-4700
Fax: 617/326-8703






AD1587 Datasheet, Funktion
AD1586/7/8/9
ABSOLUTE MAXIMUM RATINGS1
VIN to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 V
Internal Power Dissipation2
SOT-23 (RT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TBD
Storage Temperature Range . . . . . . . . . . . . . . –65°C to +125°C
Operating Temperature Range
AD1586/7/8/9RT . . . . . . . . . . . . . . . . . . . . . –40°C to +85°C
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . +215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . +220°C
ESD Susceptibility3
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400 V
NOTES
1Stresses 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.
2Specification is for device in free air at 25°C: SOT-23 Package: θJA =
300°C/Watt.
3The human body model is a 100 pF capacitor discharged through 1.5 k .
For the machine model, a 200 pF capacitor is discharged directly into
the device.
ORDERING GUIDE
Model*
Initial Output
Accuracy
AD1586/7/8/9ART
AD1586/7/8/9ART-REEL1
AD1586/7/8/9ART-REEL72
AD1586/7/8/9BRT
AD1586/7/8/9BRT-REEL1
AD1586/7/8/9BRT-REEL72
1%
1%
1%
0.1%
0.1%
0.1%
NOTES
*Package Option for all Models; RT = SOT-23
1Provided on a 13 inch reel containing 7,000 pieces.
2Provided on a 7 inch reel containing 2,000 pieces.
Temperature
Coefficeint
100 ppm/°C
100 ppm/°C
100 ppm/°C
50 ppm/°C
50 ppm/°C
50 ppm/°C
AD1586/7/8/9 PACKAGE BRANDING INFORMATION
Four marking fields identify the device generic, grade, and date
of processing. The first field is the product identifier. A "6/7/8/
9" identifies the generic as the AD1586/7/8/9. The second field
indicates the device grade; "A" or "B". In the third field a
numeral or letter indicates the calendar year; "5" for 1995..., "A"
for 2001... The fourth field uses letters A-Z to represent a two
week window within the calendar year; starting with "A" for the
first two weeks of January.
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
0.1200 (3.048)
0.1102 (2.799)
0 .5 5 0 (1 .3 9 7 )
0 .0 4 7 0 (1 .1 9 4 )
0.1040 (2.642)
0.0827 (2.101)
PI N 1
0 .0 2 3 6 (0 .5 9 9 )
0 .0 4 1 3 (1 . 0 4 9 )
0 .0 1 7 7 (0 .4 5 0 )
0 .0 3 7 4 (0 . 9 5 0 )
0.0807 (2.050)
0.0701 (1.781)
0 .0 0 5 9 (0 . 1 5 0
0.0440 (1.118)
0 .0 0 3 4 (0 . 0 8 6
0.0040 (0.102)
0.0320 (0.813)
0.0005 (0.013)
S E A TI NG
PL A N E
0.0210 (0.533)
0.0146 (0.371)
0 .0 1 0 0 (0 . 2 5 4 ) 0 . 0 2 7 (0 . 6 8 6 )
0 .0 0 5 0 (0 . 1 2 7 )
REF
TAPE AND REEL DIMENSIONS
Dimensions shown in millimeters.
1 . 8 ± 0 .1
0 . 3 0 ± 0 .0 5
+ 0 .0 5
1 .5 0. 0 0
4 . 0 ± 0 . 10
1.75 ± 0.10
2.0 ± 0.05
.05
0
±
3.5
0.30 2 . 7 ± 0 .1
±
8.0
3.1 ± 0.1
D IR E C TI O N O F U N R E E L IN G
1 .0 M IN
0 . 7 5 M I N 1 4 .4 M A X
180 (7")
OR
330 (13" )
2 0 .2 M IN
1.5 MIN
13.0 ± 0.2
50 (7" ) M IN
OR
100 (13" ) M I
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
the AD1586/7/8/9 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.
–6–
WARNING!
+1.5
8 . 4 0.0
ESD SENSITIVE DEVICE
PRELIM. B, JUNE 96

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