ADR292 Analog Devices, ADR292 Datasheet
ADR292
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ADR292 Summary of contents
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... A/D and D/A Converter Reference Solar Powered Applications Loop-Current Powered Instruments GENERAL DESCRIPTION The ADR290, ADR291 and ADR292 are low noise, micro- power precision voltage references that use an XFET circuit. The new XFET architecture offers significant perfor- mance improvements over traditional bandgap and Zener-based references ...
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... ADR290/ADR291/ADR292 ADR290–SPECIFICATIONS Electrical Specifications Parameter INITIAL ACCURACY “E” Grade “F” Grade “G” Grade LINE REGULATION “E/F” Grades “G” Grade LOAD REGULATION “E/F” Grades “G” Grade LONG TERM STABILITY NOISE VOLTAGE WIDEBAND NOISE DENSITY ...
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... Symbol Conditions TCV / OUT 3 OUT 5 LOAD S @ +25 C TO-92, SO-8, TSSOP-8 –3– ADR290/ADR291/ADR292 Min Typ Max 2.498 2.500 2.502 2.497 2.503 2.494 2.506 = 100 40 125 30 100 40 125 = + 480 Min ...
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... ADR290/ADR291/ADR292 ADR292–SPECIFICATIONS Electrical Specifications Parameter INITIAL ACCURACY “E” Grade “F” Grade “G” Grade LINE REGULATION “E/F” Grades “G” Grade LOAD REGULATION “E/F” Grades “G” Grade LONG TERM STABILITY NOISE VOLTAGE WIDEBAND NOISE DENSITY ...
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... V < V < mA LOAD IN O ADR290, ADR291, No Load ADR292, No Load DICE CHARACTERISTICS Die Size 0.074 0.052 inch, 3848 sq. mils (1.88 1.32 mm, 2.48 sq. mm) Transistor Count: 52 –5– ADR290/ADR291/ADR292 Limits 2.042/2.054 2.494/2.506 4.090/4.102 = 0 mA 125 ...
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... ADR290/ADR291/ADR292 ABSOLUTE MAXIMUM RATINGS* Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output Short-Circuit Duration . . . . . . . . . . . . . . . . . Indefinite Storage Temperature Range T9 Package . . . . . . . . . . . . . . . . . Operating Temperature Range ADR290/ADR291/ADR292 . . . . . . . . . . . Junction Temperature Range T9 Package . . . . . . . . . . . . . . . . . Lead Temperature (Soldering, 60 sec Package Type JA 8-Lead SOIC (R) 158 8-Lead TO-92 (T9) 162 3-Pin TSSOP (RU) 240 NOTE 1 is specified for worst case conditions, i.e. ...
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... Figure 5. ADR291 Quiescent Current vs. Input Voltage 16 3 TYPICAL PARTS 100 125 0 Figure 6. ADR292 Quiescent Current vs. Input Voltage –7– ADR290/ADR291/ADR292 T = +125 + – INPUT VOLTAGE – +125 C ...
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... TEMPERATURE – C Figure 8. ADR290/ADR291/ADR292 Line Regulation vs. Temperature 100 ADR290 2.7V TO 7.0V S ADR291 3.0V TO 7.0V S ADR292 4. ADR291 –50 – TEMPERATURE – C Figure 9. ADR290/ADR291/ADR292 Line Regulation vs. Temperature 0.7 0.6 ADR291 0.5 0.4 0.3 0.2 0 100 125 Figure 10. ADR290 Minimum Input-Output Voltage Differential vs. Load Current 0 0mA OUT 0.6 0.5 0.4 0.3 0.2 ADR290 0 ...
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... TEMPERATURE – C Figure 14. ADR291 Load Regulation vs. Temperature 200 160 120 I = 1mA OUT –50 – TEMPERATURE – C Figure 15. ADR292 Load Regulation vs. Temperature REV. A 500 250 1mA OUT –250 –500 –750 I = 5mA OUT –1000 75 100 125 0.1 Figure 16. ADR290 V 0 –250 – ...
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... Figure 22. ADR290 Output Impedance vs. Frequency 1000 0 Figure 23. ADR291 Output Impedance vs. Frequency Figure 24. ADR292 Output Impedance vs. Frequency –10– 100 1k FREQUENCY – 100 1k FREQUENCY – ...
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... Figure 26. ADR291 Load Transient I = 5mA 100nF L 100 OFF Figure 27. ADR291 Load Transient REV. A 1ms 100 Figure 28. ADR291 Turn-On Time 1ms 100 Figure 29. ADR291 Turn-Off Time 5ms 1V –11– ADR290/ADR291/ADR292 I = 5mA 500 10ms I = 0mA L 1V ...
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... I OUT P PTAT R1 Figure 30. ADR290/ADR291/ADR292 Simplified Schematic Device Power Dissipation Considerations The ADR29x family of references is guaranteed to deliver load currents with an input voltage that ranges from 2 (minimum supply voltage depends on output voltage option). When these devices are used in applications with large ...
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... Since the op amp senses the load voltage, op amp loop control forces the output to compensate for the wiring error and to produce the correct voltage at the load. –13– ADR290/ADR291/ADR292 ADR29x ...
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... OUT SENSE power supplies. Figure 37 shows how the ADR290/ADR291 ADR292 can be used in a voltage regulator that not only has R LW low output noise (as compared to switch mode design) and low +V OUT 1 FORCE power, but also a very fast recovery after current surges ...
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... TO-92 (T9 Suffix) 0.205 (5.20) 0.135 0.175 (4.96) (3.43) MIN 0.210 (5.33) 0.170 (4.38) 0.050 SEATING (1.27) PLANE MAX 0.019 (0.482) 0.500 0.016 (0.407) (12.70) SQUARE MIN 0.055 (1.39) 0.105 (2.66) 0.045 (1.15) 0.095 (2.42) 0.105 (2.66) 0.080 (2.42) 0.165 (4.19 0.105 (2.66) 0.125 (3.94) 0.080 (2.42) BOTTOM VIEW –15– ADR290/ADR291/ADR292 0.0196 (0.50 0.0099 (0.25) 0.0500 (1.27) 0.0160 (0.41) ...