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AD589

Analog Devices
Part Number AD589
Manufacturer Analog Devices
Description Two-Terminal
Published Mar 23, 2005
Detailed Description a FEATURES Superior Replacement for Other 1.2 V References Wide Operating Range: 50 ␮A to 5 mA Low Power: 60 ␮ W Total P...
Datasheet PDF File AD589 PDF File

AD589
AD589

Overview
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 SOIC (SO-8) 1 2 3 –V 4 8 7 6 5 +V Two-Terminal IC 1.
2 V Reference AD589 FUNCTIONAL BLOCK DIAGRAMS Metal Can (H-02A) +V AD589 TOP VIEW –V BOTTOM VIEW PRODUCT DESCRIPTION The AD589 is a two-terminal, low cost, temperature compensated 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 Ω 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 tot...


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