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LTC1090ACN Datasheet(PDF) 2 Page - Linear Technology |
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LTC1090ACN Datasheet(HTML) 2 Page - Linear Technology |
2 / 28 page 2 LTC1090 1090fc ABSOLUTE AXI U RATI GS Supply Voltage (VCC) to GND or V – ................................ 12V Negative Supply Voltage (V –) ..................... – 6V to GND Voltage: Analog and Reference Inputs .................................... (V –) –0.3V to VCC 0.3V Digital Inputs ......................................... –0.3V to 12V Digital Outputs .............................. – 0.3V to VCC 0.3V Power Dissipation .............................................. 500mW Operating Temperature Range LTC1090AC/LTC1090C ........................–40°C to 85°C LTC1090AM/LTC1090M (OBSOLETE) ...... –55°C to 125°C Storage Temperature Range ................. – 65°C to 150°C Lead Temperature (Soldering, 10 sec).................. 300°C (Notes 1 and 2) PACKAGE/ORDER I FOR ATIO Consult LTC Marketing for parts specified with wider operating temperature ranges. RECO E DED OPERATI G CO DITIO S LTC1090/LTC1090A SYMBOL PARAMETER CONDITIONS MIN MAX UNITS VCC Positive Supply Voltage V– = 0V 4.5 10 V V– Negative Supply Voltage VCC = 5V – 5.5 0 V fSCLK Shift Clock Frequency VCC = 5V 0 1.0 MHz fACLK A/D Clock Frequency VCC = 5V 25°C 0.01 2.0 MHz 85°C 0.05 2.0 125°C 0.25 2.0 tCYC Total Cycle Time See Operating Sequence 10 SCLK + Cycles 48 ACLK thCS Hold Time, CS Low After Last SCLK↓ VCC = 5V 0 ns thDI Hold Time, DIN After SCLK↑ VCC = 5V 150 ns tsuCS Setup Time CS ↓ Before Clocking in First Address Bit (Note 9) VCC = 5V 2 ACLK Cycles 1µs tsuDI Setup Time, DIN Stable Before SCLK↑ VCC = 5V 400 ns tWHACLK ACLK High Time VCC = 5V 127 ns tWLACLK ACLK Low Time VCC = 5V 200 ns tWHCS CS High Time During Conversion VCC = 5V 44 ACLK Cycles OBSOLETE PACKAGE Consider the SW or N Package for Alternate Source 1 2 3 4 5 6 7 8 9 10 TOP VIEW J PACKAGE 20-LEAD CERDIP TJMAX = 150°C θJA = 70° C/W SW PACKAGE 20-LEAD PLASTIC SO WIDE N PACKAGE 20-LEAD PDIP 20 19 18 17 16 15 14 13 12 11 CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 COM DGND VCC ACLK SCLK DIN DOUT CS REF+ REF– V – AGND LTC1090ACN LTC1090CN LTC1090CSW LTC1090AMJ LTC1090MJ LTC1090ACJ LTC1090CJ ORDER PART NUMBER TJMAX = 150°C, θJA = 70°C/W TJMAX = 110°C, θJA = 90°C/W LTC1090 • POI01 |
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