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Analog Devices Semiconductor Electronic Components Datasheet

AD589 Datasheet

Two-Terminal IC 1.2 V Reference

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AD589 pdf
a
FEATURES
Superior Replacement for Other 1.2 V References
Wide Operating Range: 50 A to 5 mA
Low Power: 60 W Total PD at 50 A
Low Temperature Coefficient:
10 ppm/؇C max, 0؇C to +70؇C (AD589M)
25 ppm/؇C max, –55؇C to +125؇C (AD589U)
Two-Terminal “Zener” Operation
Low Output Impedance: 0.6
No Frequency Compensation Required
Low Cost
MIL-STD-883 Compliant Versions Available
Two-Terminal IC
1.2 V Reference
AD589
FUNCTIONAL BLOCK DIAGRAMS
SOIC (SO-8)
Metal Can (H-02A)
1
2
3
–V 4
AD589
TOP VIEW
8 +V
7
6
5
+V
–V
BOTTOM VIEW
PRODUCT DESCRIPTION
The AD589 is a two-terminal, low cost, temperature compen-
sated bandgap voltage reference which provides a fixed 1.23 V
output voltage for input currents between 50 µA and 5.0 mA.
The high stability of the AD589 is primarily dependent upon
the matching and thermal tracking of the on-chip components.
Analog Devices’ precision bipolar processing and thin-film
technology combine to provide excellent performance at low
cost.
Additionally, the active circuit produces an output impedance
ten times lower than typical low-TC Zener diodes. This feature
allows operation with no external components required to
maintain full accuracy under changing load conditions.
The AD589 is available in seven versions. The AD589J, K, L
and M grades are specified for 0°C to +70°C operation, while
the S, T, and U grades are rated for the full –55°C to +125°C
temperature range. All grades are available in a metal can
(H-02A) package. The AD589J is also available in an 8-pin
SOIC package.
PRODUCT HIGHLIGHTS
1. The AD589 is a two-terminal device which delivers a
constant reference voltage for a wide range of input
current.
2. Output impedance of 0.6 and temperature coefficients as
low as 10 ppm/°C insure stable output voltage over a wide
range of operating conditions.
3. The AD589 can be operated as a positive or negative
reference. “Floating” operation is also possible.
4. The AD589 will operate with total current as low as 50 µA
(60 µW total power dissipation), ideal for battery powered
instrument applications.
5. The AD589 is an exact replacement for other 1.2 V ref-
erences, offering superior temperature performance and
reduced sensitivity to capacitive loading.
6. The AD589 is available in versions compliant with MIL-
STD-883. Refer to the Analog Devices Military Products
Databook or current AD589/883B data sheet for detailed
specifications.
REV. B
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


Analog Devices Semiconductor Electronic Components Datasheet

AD589 Datasheet

Two-Terminal IC 1.2 V Reference

No Preview Available !

AD589 pdf
AD589–SPECIFICATIONS (typical @ IIN = 500 A and TA = +25؇C unless otherwise noted)
Model
AD589JH/JR
Min Typ Max
AD589KH
AD589LH
AD589MH
Min Typ Max Min Typ Max Min Typ Max Unit
OUTPUT VOLTAGE, TA = +25°C
OUTPUT VOLTAGE CHANGE vs.
CURRENT
(50 µA–5 mA)
1.200 1.235 1.250
5
DYNAMIC OUTPUT IMPEDANCE
0.6 2
RMS NOISE VOLTAGE
10 Hz < f < 10 kHz
5
TEMPERATURE COEFFICIENT1
100
TURN-ON SETTLING TIME TO 0.1%
25
OPERATING CURRENT2
0.05 5
OPERATING TEMPERATURE
0
+70
PACKAGE OPTION3
Metal Can (H-02A)
SOIC (R-8)
AD589JH
AD589JR
1.200 1.235 1.250 1.200 1.235 1.250 1.200 1.235 1.250 V
5
0.6 2
5
0.6 2
5
0.6 2
mV
5
25
0.05
0
5 5 µV
50 25 10 ppm/°C
25 25 µs
5 0.05
5 0.05
5 mA
+70 0
+70 0
+70 °C
AD589KH
AD589LH
AD589MH
Model
AD589SH
Min Typ Max
AD589TH
AD589UH
Min Typ Max Min Typ Max Unit
OUTPUT VOLTAGE, TA = +25°C
OUTPUT VOLTAGE CHANGE vs.
CURRENT
(50 µA–5 mA)
1.200 1.235 1.250
5
DYNAMIC OUTPUT IMPEDANCE
0.6 2
RMS NOISE VOLTAGE
10 Hz < f < 10 kHz
TEMPERATURE COEFFICIENT1
5
100
TURN-ON SETTLING TIME TO 0.1%
25
OPERATING CURRENT2
0.05
5
OPERATING TEMPERATURE
PACKAGE OPTION3
Metal Can (H-02A)
SOIC (SO-8)
–55 +125
AD589SH
AD589JR
1.200 1.235 1.250 1.200 1.235 1.250 V
5
0.6 2
5
0.6 2
mV
5
25
0.05
–55
5 µV
50 25 ppm/°C
25 µs
5 0.05
5 mA
+125 –25
+125 °C
AD589TH
AD589UH
NOTES
1See the following page for explanation of temperature coefficient measurement method.
2Optimum performance is obtained at currents below 500 µA. For current operation below 200 µA, stray shunt capacitances should be limited
to 20 pF or increased to 1µF. If strays can not be avoided, operation at 500 µA and a shunt capacitor of at least 1000 pF are recommended.
3H = Hermetic Metal Can; SO = SOIC.
Specifications shown in boldface are tested on all production units at final electrical test.
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS
Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA
Reverse Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA
Power Dissipation1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 mW
Storage Temperature . . . . . . . . . . . . . . . . . . . –65°C to +175°C
Operating Junction Temperature Range . . . . –55°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . +300°C
NOTE
1Absolute maximum power dissipation is limited by maximum current through the
device. Maximum rating at elevated temperatures must be computed assuming
TJ 150°C, and θJA = 400 = C/W.
AD589 CHIP DIMENSIONS AND PAD LAYOUT
0.040
(1.016)
0.060
(1.524)
THE AD589 IS AVAILABLE IN CHIP FORM WITH FULLY TESTED
AND GUARANTEED SPECIFICATIONS. CONSULT FACTORY FOR
AVAILABLE GRADES AND PRICING.
–2– REV. B


Part Number AD589
Description Two-Terminal IC 1.2 V Reference
Maker Analog Devices
Total Page 4 Pages
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