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The AD589 is a two-terminal. low cost, temperature compen-sated band gap voltage reference which provides a fixed 1.23v output voltage for input currents between 50ц A and 5.0mA. The high stability of the AD589 is primarily dependent upon the matching and thermal tracking of the on-chip components.
Analog device's precision bipolar processing and thin-film technology combine to provide excellent performance at low cost.
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 0C~+70C operation. while the S, T. and V grades are rated for the full -55C ~+125C temperature range. All grades are available in a metal can (H-02A) package. The AD589J is also available in an 8-pin SOIC package