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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC2668 датащи(PDF) 6 Page - Linear Technology |
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LTC2668 датащи(HTML) 6 Page - Linear Technology |
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6 / 40 page  LTC2348-16 6 234816fa For more information www.linear.com/LTC2348-16 aDc TiMing characTerisTics SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS fSMPL Maximum Sampling Frequency 8 Channels Enabled 7 Channels Enabled 6 Channels Enabled 5 Channels Enabled 4 Channels Enabled 3 Channels Enabled 2 Channels Enabled 1 Channel Enabled l l l l l l l l 200 225 266 300 375 450 625 1000 ksps ksps ksps ksps ksps ksps ksps ksps tCYC Time Between Conversions 8 Channels Enabled, fSMPL = 200ksps 7 Channels Enabled, fSMPL = 225ksps 6 Channels Enabled, fSMPL = 266ksps 5 Channels Enabled, fSMPL = 300ksps 4 Channels Enabled, fSMPL = 375ksps 3 Channels Enabled, fSMPL = 450ksps 2 Channels Enabled, fSMPL = 625ksps 1 Channel Enabled, fSMPL = 1000ksps l l l l l l l l 5000 4444 3750 3333 2666 2222 1600 1000 ns ns ns ns ns ns ns ns tCONV Conversion Time N Channels Enabled, 1 ≤ N ≤ 8 l 450•N 500•N 550•N ns tACQ Acquisition Time (tACQ = tCYC – tCONV – tBUSYLH) 8 Channels Enabled, fSMPL = 200ksps 7 Channels Enabled, fSMPL = 225ksps 6 Channels Enabled, fSMPL = 266ksps 5 Channels Enabled, fSMPL = 300ksps 4 Channels Enabled, fSMPL = 375ksps 3 Channels Enabled, fSMPL = 450ksps 2 Channels Enabled, fSMPL = 625ksps 1 Channel Enabled, fSMPL = 1000ksps l l l l l l l l 570 564 420 553 436 542 470 420 980 924 730 813 646 702 580 480 ns ns ns ns ns ns ns ns The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 9) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IOVDD Supply Current 200ksps Sample Rate, 8 Channels Enabled (CL = 25pF) Acquisition or Nap Mode Power Down Mode l l l 1.6 1 1 2.6 20 20 mA μA μA PD Power Dissipation 200ksps Sample Rate, 8 Channels Enabled Acquisition Mode Nap Mode Power Down Mode (C-Grade and I-Grade) Power Down Mode (H-Grade) l l l l l 140 125 30 0.36 0.36 169 152 40 1.4 2.8 mW mW mW mW mW LVDS I/O Mode OVDD Supply Voltage l 2.375 5.25 V IVDD Supply Current 200ksps Sample Rate, 8 Channels Enabled 200ksps Sample Rate, 8 Channels Enabled, VREFBUF = 5V (Note 15) Acquisition Mode Nap Mode Power Down Mode (C-Grade and I-Grade) Power Down Mode (H-Grade) l l l l l l 17.7 16.1 3.2 3.0 65 65 20.4 18.5 3.8 3.7 175 450 mA mA mA mA μA µA IOVDD Supply Current 200ksps Sample Rate, 8 Channels Enabled (RL = 100Ω) Acquisition or Nap Mode (RL = 100Ω) Power Down Mode l l l 7 7 1 8.5 8.0 20 mA mA μA PD Power Dissipation 200ksps Sample Rate, 8 Channels Enabled Acquisition Mode Nap Mode Power Down Mode (C-Grade and I-Grade) Power Down Mode (H-Grade) l l l l l 166 151 55 0.36 0.36 199 180 69 1.4 2.8 mW mW mW mW mW power requireMenTs The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 9) |
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