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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC1287 датащи(PDF) 2 Page - Linear Technology |
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LTC1287 датащи(HTML) 2 Page - Linear Technology |
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2 / 16 page  2 LTC1287 1287fa SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS fCLK Clock Frequency (Note 6) (Note 9) 0.5 MHz tSMPL Analog Input Sample Time See Operating Sequence 1.5 CLK Cycles tCONV Conversion Time See Operating Sequence 12 CLK Cycles tCYC Total Cycle Time See Operating Sequence (Note 6) 14 CLK+5.0 µs Cycles tdDO Delay Time, CLK ↓to DOUT Data Valid See Test Circuits q 250 450 ns tdis Delay Time, CS ↑ to DOUT Hi-Z See Test Circuits q 80 160 ns ten Delay Time, CLK ↓ to DOUT Enabled See Test Circuits q 130 250 ns The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) PACKAGE/ORDER I FOR ATIO A G A U A R BSOLUTEXI TI S (Notes 1 and 2) Supply Voltage (VCC) to GND.................................. 12V Voltage Analog and Reference Inputs .... –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 .................... 0 °C to 70°C Storage Temperature Range ................. –65 °C to 150°C Lead Temperature (Soldering, 10 sec.)................ 300 °C ORDER PART NUMBER LTC1287BCN8 LTC1287CCN8 LTC1287B LTC1287C CO VERTER A D ULTIPLEXER CHARACTERISTICS AC CHARACTERISTICS LTC1287B/LTC1287C – 0.05V to VCC + 0.05V TJMAX = 150°C, θJA = 100°C/W (J) Consult LTC Marketing for parts specified with wider operating temperature ranges. TJMAX = 100°C, θJA = 130°C/W (N) LTC1287BCJ8 LTC1287CCJ8 OBSOLETE PACKAGE Consider N8 Package for Alternate Source J8 PACKAGE 8-LEAD CERAMIC DIP 1 2 3 45 6 7 8 TOP VIEW VCC CLK DOUT VREF CS +IN –IN GND N8 PACKAGE 8-LEAD PLASTIC DIP PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Offset Error VCC = 2.7V (Note 4) q ±3.0 ±3.0 LSB Linearity Error (INL) VCC = 2.7V (Notes 4 & 5) q ±0.5 ±0.5 LSB Gain Error VCC = 2.7V (Note 4) q ±0.5 ±1.0 LSB Minimum Resolution for Which No q 12 12 Bits Missing Codes are Guaranteed Analog and REF Input Range (Note 7) V On Channel Leakage Current (Note 8) On Channel = 3V q ±1 ±1 µA Off Channel = 0V On Channel = 0V q ±1 ±1 µA Off Channel = 3V Off Channel Leakage Current (Note 8) On Channel = 3V q ±1 ±1 µA Off Channel = 0V On Channel = 0V q ±1 ±1 µA Off Channel = 3V |
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