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LTC1290CCSW Datasheet(PDF) 3 Page - Linear Technology |
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LTC1290CCSW Datasheet(HTML) 3 Page - Linear Technology |
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3 / 28 page  3 LTC1290 LTC1290B/LTC1290C/LTC1290D SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS fSCLK Shift Clock Frequency VCC = 5V (Note 6) 0 2.0 MHz fACLK A/D Clock Frequency VCC = 5V (Note 6) (Note 10) 4.0 MHz tACC Delay time from CS ↓ to DOUT Data Valid (Note 9) 2 ACLK Cycles tSMPL Analog Input Sample Time See Operating Sequence 7 SCLK Cycles tCONV Conversion Time See Operating Sequence 52 ACLK Cycles tCYC Total Cycle Time See Operating Sequence (Note 6) 12 SCLK + Cycles 56 ACLK tdDO Delay Time, SCLK ↓ to DOUT Data Valid See Test Circuits LTC1290BC, LTC1290CC q 130 220 ns LTC1290DC, LTC1290BI LTC1290CI, LTC1290DI LTC1290BM, LTC1290CM q 180 270 ns LTC1290DM tdis Delay Time, CS ↑ to DOUT Hi-Z See Test Circuits q 70 100 ns ten Delay Time, 2nd ACLK ↓ to DOUT Enabled See Test Circuits q 130 200 ns thCS Hold Time, CS After Last SCLK ↓ VCC = 5V (Note 6) 0 ns thDI Hold Time, DIN After SCLK ↑ VCC = 5V (Note 6) 50 ns thDO Time Output Data Remains Valid After SCLK ↓ 50 ns tf DOUT Fall Time See Test Circuits q 65 130 ns tr DOUT Rise Time See Test Circuits q 25 50 ns tsuDI Setup Time, DIN Stable Before SCLK ↑ VCC = 5V (Note 6) 50 ns tsuCS Setup Time, CS ↓ Before Clocking in (Notes 6, 9) 2 ACLK Cycles First Address Bit + 100ns tWHCS CS High Time During Conversion VCC = 5V (Note 6) 52 ACLK Cycles CIN Input Capacitance Analog Inputs On Channel 100 pF Analog Inputs Off Channel 5 pF Digital Inputs 5 pF (Note 3) AC CHARACTERISTICS ELECTRICAL C C HARA TER STICS DIGITAL A D I DC (Note 3) LTC1290B/LTC1290C/LTC1290D SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIH High Level Input Voltage VCC = 5.25V q 2.0 V VIL Low Level Input Voltage VCC = 4.75V q 0.8 V IIH High Level Input Current VIN = VCC q 2.5 µA IIL Low Level Input Current VIN = 0V q –2.5 µA VOH High Level Output Voltage VCC = 4.75V IO = 10 µA 4.7 V IO = 360 µA q 2.4 4.0 V VOL Low Level Output Voltage VCC = 4.75V IO = 1.6mA q 0.4 V IOZ High-Z Output Leakage VOUT = VCC, CS High q 3 µA VOUT = 0V, CS High q –3 µA ISOURCE Output Source Current VOUT = 0V –20 mA |
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Similar Description - LTC1290CCSW |
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