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Analog Devices Semiconductor Electronic Components Datasheet

AD587 Datasheet

High Precision 10 V Reference

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AD587 pdf
a
High Precision
10 V Reference
AD587
FEATURES
Laser Trimmed to High Accuracy:
10.000 V ؎5 mV (L and U Grades)
Trimmed Temperature Coefficient:
5 ppm/؇C max, (L and U Grades)
Noise Reduction Capability
Low Quiescent Current: 4 mA max
Output Trim Capability
MIL-STD-883 Compliant Versions Available
FUNCTIONAL BLOCK DIAGRAM
+VI N
2
NOISE
REDUCTION
8
RS
A1
RF
6 VOUT
RT
5 TRIM
RI
AD587
4
GND
NOTE:
PINS 1,3, AND 7 ARE INTERNAL TEST POINTS.
NO CONNECTIONS TO THESE POINTS.
PRODUCT DESCRIPTION
The AD587 represents a major advance in the state-of-the-art in
monolithic voltage references. Using a proprietary ion-implanted
buried Zener diode and laser wafer trimming of high stability
thin-film resistors, the AD587 provides outstanding perfor-
mance at low cost.
The AD587 offers much higher performance than most other
10 V references. Because the AD587 uses an industry standard
pinout, many systems can be upgraded instantly with the
AD587. The buried Zener approach to reference design pro-
vides lower noise and drift than bandgap voltage references. The
AD587 offers a noise reduction pin which can be used to further
reduce the noise level generated by the buried Zener.
The AD587 is recommended for use as a reference for 8-, 10-,
12-, 14- or 16-bit D/A converters which require an external
precision reference. The device is also ideal for successive
approximation or integrating A/D converters with up to 14 bits
of accuracy and, in general, can offer better performance than
the standard on-chip references.
The AD587J, K and L are specified for operation from 0°C to
+70°C, and the AD587S, T and U are specified for –55°C to
+125°C operation. All grades are available in 8-pin cerdip. The
J and K versions are also available in an 8-pin Small Outline IC
(SOIC) package for surface mount applications, while the J, K,
and L grades also come in an 8-pin plastic package.
PRODUCT HIGHLIGHTS
1. Laser trimming of both initial accuracy and temperature
coefficients results in very low errors over temperature with-
out the use of external components. The AD587L has a
maximum deviation from 10.000 V of ± 8.5 mV between 0°C
and +70°C, and the AD587U guarantees ± 14 mV maximum
total error between –55°C and +125°C.
2. For applications requiring higher precision, an optional fine
trim connection is provided.
3. Any system using an industry standard pinout 10 volt refer-
ence can be upgraded instantly with the AD587.
4. Output noise of the AD587 is very low, typically 4 µV p-p. A
noise reduction pin is provided for additional noise filtering
using an external capacitor.
5. The AD587 is available in versions compliant with MIL-
STD-883. Refer to the Analog Devices Military Products
Databook or current AD587/883B data sheet for detailed
specifications.
REV. D
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: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000


Analog Devices Semiconductor Electronic Components Datasheet

AD587 Datasheet

High Precision 10 V Reference

No Preview Available !

AD587 pdf
AD587–SPECIFICATIONS (TA = +25؇C, VIN = +15 V unless otherwise noted)
Model
OUTPUT VOLTAGE
OUTPUT VOLTAGE DRIFT1
0°C to +70°C
–55°C to +125°C
GAIN ADJUSTMENT
LINE REGULATION1
13.5 V + VIN 36 V
TMIN to TMAX
LOAD REGULATION1
Sourcing 0 < IOUT < 10 mA
TMIN to TMAX
Sourcing –10 < IOUT < 0 mA2
TMIN to TMAX
QUIESCENT CURRENT
POWER DISSIPATION
OUTPUT NOISE
0.1 Hz to 10 Hz
Spectral Density, 100 Hz
LONG-TERM STABILITY
SHORT-CIRCUIT CURRENT-TO-GROUND
SHORT-CIRCUIT CURRENT-TO-VIN
TEMPERATURE RANGE
Specified Performance (J, K, L)
Operating Performance (J, K, L)3
Specified Performance (S, T, U)
Operating Performance (S, T, U)3
AD587J/S
Min Typ
9.990
Max
10.010
AD587K/T
Min Typ Max
9.995
10.005
AD587L/U
Min Typ Max
9.995
10.005
20 10 5
20 10 5
+3 +3 +3
–1 –1 –1
100 100 100
100
100
24
30
100
100
24
30
100
100
24
30
4
100
15
30 70
30 70
4
100
15
30 70
30 70
4
100
15
30 70
30 70
0 +70 0 +70 0 +70
–40 +85 –40 +85 –40 +85
–55 +125 –55 +125 –55 +125
–55 +125 –55 +125 –55 +125
Units
V
ppm/°C
%
±µV/V
±µV/mA
mA
mW
µV p-p
nV/Hz
± ppm/1000 Hr.
mA
mA
°C
NOTES
1Spec is guaranteed for all packages and grades. Cerdip packaged parts are 100% production test.
2Load Regulation (Sinking) specification for SOIC (R) package is ±200 µV/mA.
3The operating temperature ranged is defined as the temperatures extremes at which the device will still function. Parts may deviate from their specified performance
outside their specified temperature range.
Specifications subject to change without notice.
ORDERING GUIDE
Model1
Initial
Error
Temperature
Coefficient
Temperature
Range
Package
Options2
AD587JQ
AD587JR
AD587JN
AD587KQ
AD587KR
AD587KN
AD587LQ
AD587LN
AD587SQ
AD587TQ
AD587UQ
AD587JCHIPS
10 mV
10 mV
10 mV
5 mV
5 mV
5 mV
5 mV
5 mV
10 mV
10 mV
5 mV
10 mV
20 ppm/°C
20 ppm/°C
20 ppm/°C
10 ppm/°C
10 ppm/°C
10 ppm/°C
5 ppm/°C
5 ppm/°C
20 ppm/°C
10 ppm/°C
5 ppm/°C
20 ppm/°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
–55°C to +125°C
–55°C to +125°C
–55°C to +125°C
0°C to +70°C
Q-8
SO-8
N-8
Q-8
SO-8
N-8
Q-8
N-8
Q-8
Q-8
Q-8
NOTES
1For details on grade and package offerings screened in accordance with MIL-STD-883, refer to the
Analog Devices Military Products Databook or current AD587/883B data sheet.
2N = Plastic DIP; Q = Cerdip; SO = SOIC.
–2– REV. D


Part Number AD587
Description High Precision 10 V Reference
Maker Analog Devices
Total Page 8 Pages
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AD587 pdf
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