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LTC1861IMS-PBF Datasheet(PDF) 5 Page - Linear Technology |
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LTC1861IMS-PBF Datasheet(HTML) 5 Page - Linear Technology |
5 / 16 page LTC1860/LTC1861 5 18601fa DIGITAL AND DC ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. VCC = 5V, VREF = 5V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IOZ Hi-Z Output Leakage CONV = VCC l ±3 μA ISOURCE Output Source Current VOUT = 0V –25 mA ISINK Output Sink Current VOUT = VCC 20 mA IREF Reference Current (LTC1860 SO-8, MSOP and LTC1861 MSOP) CONV = VCC fSMPL = fSMPL(MAX) l l 0.001 0.05 3 0.1 μA mA ICC Supply Current CONV = VCC After Conversion CONV = VCC After Conversion, H-Grade fSMPL = fSMPL(MAX) l l l 0.001 0.001 0.85 3 5 1.3 μA μA mA PD Power Dissipation fSMPL = fSMPL(MAX) 1.25 mV RECOMMENDED OPERATING CONDITIONS The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC Supply Voltage 4.75 5.25 V fSCK Clock Frequency H-Grade l l 20 16.7 MHz MHz tCYC Total Cycle Time 12 • SCK + tCONV μs tSMPL Analog Input Sampling Time LTC1860 (Note 5) LTC1861 (Note 5) 12 10 SCK SCK tsuCONV Setup Time CONV↓ Before First SCK↑, (See Figure 1) H-Grade 60 65 30 30 ns ns thDI Holdtime SDI After SCK↑ LTC1861 15 ns tsuDI Setup Time SDI Stable Before SCK↑ LTC1861 15 ns tWHCLK SCK High Time fSCK = fSCK(MAX) 40% 1/fSCK tWLCLK SCK Low Time fSCK = fSCK(MAX) 40% 1/fSCK tWHCONV CONV High Time Between Data Transfer Cycles (Note 5) tCONV μs tWLCONV CONV Low Time During Data Transfer (Note 5) 12 SCK thCONV Hold Time CONV Low After Last SCK↑ 13 ns |
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