link to page 3 link to page 3 link to page 4 link to page 4 link to page 4 link to page 4 link to page 4 link to page 4 link to page 5 link to page 5 link to page 6 link to page 6 link to page 6 link to page 6 link to page 6 link to page 6 link to page 7 link to page 7 link to page 7 link to page 7 link to page 8 link to page 8 link to page 8 link to page 8 link to page 9 link to page 9 link to page 9 link to page 9 link to page 9 link to page 9 link to page 10 link to page 10 link to page 10 link to page 10 link to page 11 link to page 11 link to page 12 link to page 12 AD680TABLE OF CONTENTS Specifications... 3 Load Regulation ..8 Absolute Maximum Ratings.. 4 Temperature Performance..8 Output Protection .. 4 Temperature Output Pin ..9 ESD Caution.. 4 Differential Temperature Transducer ...9 Pin Configuration and Connection Diagram... 5 Low Power, Low Voltage Reference for Data Converters ..9 Theory of Operation .. 6 4.5 V Reference from a 5 V Supply .. 10 Applying the AD680 .. 6 Voltage Regulator for Portable Equipment ... 10 Noise Performance ... 6 Outline Dimensions ... 11 Turn-on Time.. 7 Ordering Guide .. 12 Dynamic Performance... 7 REVISION HISTORY8/05—Rev. G to Rev. H Changes to Ordering Guide ..11 12/04—Rev. F to Rev. G Updated Format ... Universal Changes to Ordering Guide ..11 5/04—Rev. E to Rev. F Changes to ORDERING GUIDE ...3 5/03—Rev. D to Rev. E Changes to ORDERING GUIDE ...3 Added ESD Caution ..3 Changes to Figure 20...7 Updated OUTLINE DIMENSIONS ...8 7/01—Rev. C to Rev. D Changes to SPECIFICATIONS..2 Changes to ORDERING GUIDE ..3 Table I added ..6 Rev. H | Page 2 of 12 Document Outline FEATURES GENERAL DESCRIPTION CONNECTION DIAGRAMS PRODUCT HIGHLIGHTS SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS OUTPUT PROTECTION ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS THEORY OF OPERATION APPLYING THE AD680 NOISE PERFORMANCE TURN-ON TIME DYNAMIC PERFORMANCE LOAD REGULATION TEMPERATURE PERFORMANCE TEMPERATURE OUTPUT PIN DIFFERENTIAL TEMPERATURE TRANSDUCER LOW POWER, LOW VOLTAGE REFERENCE FOR DATA CONVERTERS 4.5 V REFERENCE FROM A 5 V SUPPLY VOLTAGE REGULATOR FOR PORTABLE EQUIPMENT OUTLINE DIMENSIONS ORDERING GUIDE
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