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Analog Devices - Precision Shunt Mode Voltage References

Numéro de référence AD1588
Description Precision Shunt Mode Voltage References
Fabricant Analog Devices 
Logo Analog Devices 





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AD1588 fiche technique
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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

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