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LTC2908 Datasheet(PDF) 3 Page - Linear Technology |
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LTC2908 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 18 page  LTC2908 3 2908fd ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VRT50 5V, 5% Reset Threshold V1 Input Threshold l 4.600 4.675 4.750 V VRT33 3.3V, 5% Reset Threshold V2 Input Threshold l 3.036 3.086 3.135 V VRT25 2.5V, 5% Reset Threshold V3 Input Threshold l 2.300 2.338 2.375 V VRT18 1.8V, 5% Reset Threshold V4 Input Threshold l 1.656 1.683 1.710 V VRTADJ ADJ, 5% Reset Threshold VADJ1, VADJ2 Input Threshold l 0.492 0.500 0.508 V (LTC2908-A1) The l denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C, VCC = 5V unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VRT33 3.3V, 5% Reset Threshold V1 Input Threshold l 3.036 3.086 3.135 V VRT25 2.5V, 5% Reset Threshold V2 Input Threshold l 2.300 2.338 2.375 V VRT18 1.8V, 5% Reset Threshold V3 Input Threshold l 1.656 1.683 1.720 V VRT15 1.5V, 5% Reset Threshold V4 Input Threshold l 1.380 1.403 1.425 V VRTADJ ADJ, 5% Reset Threshold VADJ1, VADJ2 Input Threshold l 0.492 0.500 0.508 V (LTC2908-B1) The l denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C, VCC = 3.3V unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VRT25 2.5V, 5% Reset Threshold V1 Input Threshold l 2.300 2.338 2.375 V VRTADJ ADJ, 5% Reset Threshold VADJ1, VADJ2, VADJ3, VADJ4, VADJ5, Input Threshold l 0.492 0.500 0.508 V (LTC2908-C1) The l denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C, VCC = 2.5V unless otherwise noted. (Note 2) The l denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. VCC = 5V for the LT2908-A1, VCC = 3.3V for the LTC2908-B1or VCC = 2.5V for the LTC2908-C1, unless otherwise noted. (Notes 2, 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC Internal Supply Voltage RST in Correct Logic State l 0.5 6 V IV1 V1 Input Current (Note 4) V1 = 5.0V (LTC2908-A1) V1 = 3.3V (LTC2908-B1) V1 = 2.5V (LTC2908-C1) l l l 26 24 22 70 70 70 μA μA μA IV2 V2 Input Current (Note 4) V2 = 3.3V (LTC2908-A1) V2 = 2.5V (LTC2908-B1) l l 10 8 30 30 μA μA IV3 V3 Input Current V3 = 2.5V (LTC2908-A1) V3 = 1.8V (LTC2908-B1) l l 2 2 5 5 μA μA IV4 V4 Input Current V4 = 1.8V (LTC2908-A1) V4 = 1.5V (LTC2908-B1) l l 2 2 5 5 μA μA IVADJ VADJ1, VADJ2, VADJ3, VADJ4, VADJ5 Input Current VADJ1 = VADJ2 = VADJ3 = VADJ4 = VADJ5 = 0.55V l ±15 nA |
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