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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC1282ACSW датащи(PDF) 3 Page - Linear Technology |
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LTC1282ACSW датащи(HTML) 3 Page - Linear Technology |
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3 / 24 page  3 LTC1282 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Analog Input Range (Note 11) 2.7V ≤ VDD ≤ 3.6V (Unipolar Mode) 0 to 2.5 V 3V ≤ VDD ≤ 3.6V, –3.3V ≤ VSS ≤ –2.5V (Bipolar Mode) ±1.25 V IIN Analog Input Leakage Current CS = High q ±1 µA CIN Analog Input Capacitance Between Conversions (Sample Mode) 63 pF During Conversions (Hold Mode) 5 pF tACQ Sample-and-Hold Commercial q 0.45 1.14 µs Acquisition Time Military q 1.5 µs (Note 5) PUT I A A LOG LTC1282A/LTC1282B PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS VREF Output Voltage IOUT = 0 1.1900 1.200 1.210 1.190 1.200 1.210 V VREF Output Tempco IOUT = 0 q ±5 ±25 ±10 ±45 ppm/ °C VREF Line Regulation 2.7V ≤ VDD ≤ 3.6V 0.55 0.55 LSB/V – 3.6V ≤ VSS ≤ –2.7V 0.02 0.02 LSB/V VREF Load Regulation 0V ≤ |IOUT| ≤ 1mA 3 3 LSB/mA LTC1282B LTC1282A I TER AL REFERE CE CHARACTERISTICS (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIH High Level Input Voltage VDD = 3.6V q 1.9 V VIL Low Level Input Voltage VDD = 2.7V q 0.45 V IIN Digital Input Current VIN = 0V to VDD q ±10 µA CIN Digital Input Capacitance 5pF VOH High Level Output Voltage VDD = 2.7V IO = – 10µA 2.6 V IO = – 200µA q 2.3 V VOL Low Level Output Voltage VDD = 2.7V IO = 160µA 0.05 V IO = 1.6mA q 0.10 0.4 V IOZ High Z Output Leakage D11-D0/8 VOUT = 0V to VDD, CS High q ±10 µA COZ High Z Output Capacitance D11-D0/8 CS High (Note 12 ) q 15 pF ISOURCE Output Source Current VOUT = 0V – 4.5 mA ISINK Output Sink Current VOUT = VDD 4.5 mA LTC1282A/LTC1282B (Note 5) DIGITAL I PUTS A D DIGITAL OUTPUTS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VDD Positive Supply Voltage Unipolar Mode (Note 13) 2.7 3.6 V Bipolar Mode (Note 13) 3.0 3.6 V VSS Negative Supply Voltage Bipolar Operation (Note 13) – 3.6 – 2.5 V IDD Positive Supply Current fSAMPLE = 140ksps q 4 7.8 mA ISS Negative Supply Current fSAMPLE = 140ksps q 0.03 0.15 mA PD Power Dissipation fSAMPLE = 140ksps q 12 24 mW (Note 5) LTC1282A/LTC1282B POWER REQUIRE E TS |
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