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LTC4261 Datasheet(PDF) 7 Page - Analog Devices |
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LTC4261 Datasheet(HTML) 7 Page - Analog Devices |
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7 / 74 page  LTC4283 7 Rev. B For more information www.analog.com SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VFS Full-Scale Voltage Single-Ended Inputs 2.048 V Differential Inputs 32.768 mV LSB LSB Step Voltage RTNS, ADIN1-4, ADIO1-4, DRNS, DRAIN ADC = 000b 8 mV ADC = 010b 2 mV ADC = 100b 0.5 mV ADC = 110b 0.125 mV ADC = xx1b 0.03125 mV SENSE+ – SENSE– ADC = 000b 128 µV ADC = 010b 32 µV ADC = 100b 8 µV ADC = 110b 2 µV ADC = xx1b 0.5 µV ADIN2 – ADIN1, ADIN4 – ADIN3, ADIO2 – ADIO1, ADIO4 – ADIO3 ADC = 000b 256 µV ADC = 010b 64 µV ADC = 100b 16 µV ADC = 110b 4 µV ADC = xx1b 1 µV VOS Offset Error (Note 7) Single-Ended Inputs l 0 ±0.125 % VFS Differential Inputs l 0 ±0.25 % VFS INL Integral Nonlinearity (Note 7) ADIN1-4, ADIO1-4, RTNS, DRNS, DRAIN, SENSE+ – SENSE– l ±0.01 ±0.06 % VFS ADIN2 – ADIN1, ADIN4 – ADIN3, ADIO2 – ADIO1, ADIO4 – ADIO3 l ±0.02 ±0.12 % VFS FSE Full-Scale Error (Note 7) Single-Ended Inputs l ±0.7 % Differential Inputs l ±1.2 % Power l ±1.5 % Energy l ±5 % fCONV Refresh Rate in Continuous Mode (Table 12) l ±5 % RADIN(SE) ADIN1-4, ADIO1-4 Input Impedance, Single-Ended V = 3V l 3 MΩ IADIN(SE) ADIN1-4, ADIO1-4 Input Current, Single-Ended V = 3V l 0 ±1 µA IADIN(DIFF) ADIN1, ADIN3, ADIO1, ADIO3 Input Current, Differential Mode ADIN1, ADIN3, ADIO1, ADIO3 = 0, ADIN2, ADIN4, ADIO2, ADIO4 = 0 l –3 –7 µA ADIN2, ADIN4, ADIO2, ADIO4 Input Current, Differential Mode ADIN2, ADIN4, ADIO2, ADIO4 = 33mV l 0 ±1 µA The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C, IIN + IVZ = 4mA with VIN Connected to VZ. (Note 2) ELECTRICAL CHARACTERISTICS |
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