LT1643

The LT1643 is designed as one kind of micropower precision shunt voltage reference that can be used in (1)Portable Meters; (2)Precision Regulators; (3)A/D and D/A Converters; (4)Calibrators. Features of the LT1643 are:(1)initial voltage accuracy: 0.05%; (2)low operating current: 10mA; (3)low drift: 25ppm/°C Max; (4)less than 1W dynamic impedance; (5)available in 1.25V, 2.5V, 4.096V and 5V in SO-8 and TO-92 packages; (6)1.25V and 2.5V available in MSOP package; (7)both commercial and industrial temperature range parts are available.

The absolute maximum ratings of the LT1643 can be summarized as:(1)Operating Current 1.25V:100 mA;(2)Operating Current 2.5V:50 mA;(3)Operating Current 5V:30 mA;(4)Forward Current:20 mA;(5)Lead Temperature (Soldering, 10 sec):300°C;(6)Storage Temperature Range:65°C to 150°C;(7)Operating Temperature Range Commercial:0°C to 70°C;(8)Operating Temperature Range Industrial:40°C to 85°C. If you want to know more information such as the electrical characteristics about the LT1643, please download the datasheet in www.seekic.com or www.chinaicmart.com .