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LTC6652 Datasheet(PDF) 6 Page - Linear Technology |
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LTC6652 Datasheet(HTML) 6 Page - Linear Technology |
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6 / 50 page  LTC2373-18 6 237318f For more information www.linear.com/LTC2373-18 aDc TiMing characTerisTics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS fSMPL Maximum Sampling Frequency l 1 Msps tCONV Conversion Time l 460 527 ns tACQ Acquisition Time tACQ = tCYC – tCONV – tBUSYLH (Note 6) l 460 ns tCYC Time Between Conversions l 1 µs tCNVH CNV High Time l 20 ns tCNVL Minimum Low Time for CNV (Note 14) l 20 ns tBUSYLH CNV ↑ to BUSY↑ Delay CL = 20pF l 13 ns tRESETH RESET Pulse Width l 200 ns tQUIET SCK, SDI and RDL Quiet Time from CNV ↑ (Note 6) l 20 ns power requireMenTs The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VDD Supply Voltage l 4.75 5 5.25 V OVDD Supply Voltage l 1.71 5.25 V IVDD IOVDD INAP ISLEEP Supply Current Supply Current Nap Mode Current Sleep Mode Current 1Msps Sample Rate 1Msps Sample Rate (CL = 20pF) Conversion Done (IVDD + IOVDD) Sleep Mode (IVDD + IOVDD) l l l l 8.0 0.7 1.25 60 11 1.5 120 mA mA mA μA PD Power Dissipation Nap Mode Sleep Mode 1Msps Sample Rate Conversion Done (IVDD + IOVDD) Sleep Mode (IVDD + IOVDD) 40 6.25 300 55 7.5 600 mW mW µW DigiTal inpuTs anD DigiTal ouTpuTs The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIH High Level Input Voltage l 0.8 • OVDD V VIL Low Level Input Voltage l 0.2 • OVDD V IIN Digital Input Current VIN = 0V to OVDD l –10 10 μA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage IO = –500µA l OVDD – 0.2 V VOL Low Level Output Voltage IO = 500µA l 0.2 V IOZ Hi-Z Output Leakage Current VOUT = 0V to OVDD l –10 10 µA ISOURCE Output Source Current VOUT = 0V –10 mA ISINK Output Sink Current VOUT = OVDD 10 mA reFerence buFFer characTerisTics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VREFBUF Reference Buffer Output Voltage VREFIN = 2.048V l 4.088 4.096 4.104 V REFBUF Input Voltage Range (REFBUF Overdriven) (Notes 5, 9) l 2.5 5 V REFBUF Output Impedance VREFIN = 0V (Buffer Disabled) 13 kΩ IREFBUF REFBUF Load Current VREFBUF = 5V (REFBUF Overdriven) (Notes 9, 12) VREFBUF = 5V, Nap Mode (REFBUF Overdriven) (Note 9) l 1.1 0.38 1.5 mA mA |
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