Datasheet LTC1864, LTC1865 (Analog Devices) - 6

LTC1864/LTC1865
RECOMMENDED OPERATING CONDITIONS The
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denotes specifi cations which apply over the full operating temperature range, otherwise specifi cations are TA = 25°C. LTC1864/LTC1865 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC Supply Voltage 4.75 5.25 V fSCK Clock Frequency ● 20 MHz H-Grade ● 16.7 MHz tCYC Total Cycle Time 16 • SCK + tCONV μs tSMPL Analog Input Sampling Time LTC1864 (Note 5) 16 SCK LTC1865 (Note 5) 14 SCK tsuCONV Setup Time CONV↓ Before First SCK↑ 60 30 ns (See Figure 1) H-Grade 65 30 ns thDI Hold Time SDI After SCK↑ LTC1865 15 ns tsuDI Setup Time SSDI Stable Before SCK↑ LTC1865 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 (Note 5) tCONV μs Cycles tWLCONV CONV Low Time During Data Transfer (Note 5) 16 SCK thCONV Hold Time CONV Low After Last SCK↑ 13 ns 18645fb 6