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AD1582 Folha de dados(PDF) 8 Page - Analog Devices |
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AD1582 Folha de dados(HTML) 8 Page - Analog Devices |
8 / 16 page AD1582/AD1583/AD1584/AD1585 Data Sheet Rev. J | Page 8 of 16 TERMINOLOGY Temperature Coefficient (TCVO) The change of output voltage over the operating temperature change and normalized by the output voltage at 25°C, expressed in ppm/°C. The equation follows [ ] ( ) ( ) ( ) ( ) 6 10 25 C ppm/ × − × ° − = ° 1 2 O 1 O 2 O O T T C V T V T V TCV where: VO (25°C) = VO @ 25°C. VO (T1) = VO @ Temperature 1. VO (T2) = VO @ Temperature 2. Line Regulation (ΔVO/ΔVIN) Definition The change in output voltage due to a specified change in input voltage. It includes the effects of self-heating. Line regulation is expressed in either percent per volt, parts per million per volt, or microvolts per volt change in input voltage. Load Regulation (ΔVO/ΔILOAD) The change in output voltage due to a specified change in load current. It includes the effects of self-heating. Load regulation is expressed in either microvolts per milliampere, parts per million per milliampere, or ohms of dc output resistance. Long-Term Stability (ΔVO) Typical shift of output voltage at 25°C on a sample of parts subjected to an operation life test of 1000 hours at 125°C. ( ) ( ) 1 O 0 O O t V t V V − = ∆ [ ] ( ) ( ) ( ) 6 10 ppm × − = ∆ 0 O 1 O 0 O O t V t V t V V where: VO (t0) = VO @25°C at Time 0. VO (t1) = VO @ 25°C after 1000 hours of operation at 125°C. Thermal Hysteresis (VO_HYS) The change of output voltage after the device is cycled through temperatures from +25°C to −40°C to +85°C and back to +25°C. This is a typical value from a sample of parts put through such a cycle ( ) TC O O HYS O V C V V _ _ 25 − ° = [ ] ( ) ( ) 6 _ _ 10 25 25 ppm × ° − ° = C V V C V V O TC O O HYS O where: VO (25°C) = VO at 25°C. VO_TC = VO at 25°C after temperature cycle at +25°C to −40°C to +85°C and back to +25°C. Operating Temperature The temperature extremes at which the device can still function. Parts can deviate from their specified performance outside the specified temperature range. |
Nº de peça semelhante - AD1582_15 |
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Descrição semelhante - AD1582_15 |
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