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LTC2481CDD-PBF Datasheet(PDF) 4 Page - Linear Technology |
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LTC2481CDD-PBF Datasheet(HTML) 4 Page - Linear Technology |
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4 / 40 page  LTC2481 4 2481fc ANALOG INPUT AND REFERENCE The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS CS (IN–)IN– Sampling Capacitance 11 pF CS (VREF)VREF Sampling Capacitance 11 pF IDC_LEAK (IN+)IN+ DC Leakage Current Sleep Mode, IN+ = GND l –10 1 10 nA IDC_LEAK (IN–)IN– DC Leakage Current Sleep Mode, IN– = GND l –10 1 10 nA IDC_LEAK (VREF)REF+, REF– DC Leakage Current Sleep Mode, VREF = VCC l –100 1 100 nA I2C 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. (Notes 3, 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIH High Level Input Voltage l 0.7VCC V VIL Low Level Input Voltage l 0.3VCC V VIL(CA1) Low Level Input Voltage for Address Pin l 0.05VCC V VIH(CA0/f0,CA1) High Level Input Voltage for Address Pins l 0.95VCC V RINH Resistance from CA0/f0, CA1 to VCC to Set Chip Address Bit to 1 l 10 kΩ RINL Resistance from CA1 to GND to Set Chip Address Bit to 0 l 10 kΩ RINF Resistance from CA0/f0, CA1 to VCC or GND to Set Chip Address Bit to Float l 2 MΩ II Digital Input Current l –10 10 μA VHYS Hysteresis of Schmitt Trigger Inputs (Note 5) 0.05VCC V VOL Low Level Output Voltage SDA I = 3mA l 0.4 V tOF Output Fall Time from VIHMIN to VILMAX Bus Load CB 10pF to 400pF (Note 14) l 20+0.1CB 250 ns tSP Input Spike Suppression l 50 ns IIN Input Leakage 0.1VCC ≤ VIN ≤ VCC l 1μA CI Capacitance for Each I/O Pin l 10 pF CB Capacitance Load for Each Bus Line l 400 pF CCAX External Capacitive Load On-Chip Address Pins (CA0/f0,CA1) for Valid Float l 10 pF VIH(EXT,OSC) High Level CA0/f0 External Oscillator 2.7V ≤ VCC < 5.5V l VCC – 0.5V V VIL(EXT,OSC) Low Level CA0/f0 External Oscillator 2.7V ≤ VCC < 5.5V l 0.5 V SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC Supply Voltage l 2.7 5.5 V ICC Supply Current Conversion Mode (Note 11) Sleep Mode (Note 11) H-Grade l l l 160 1 250 2 20 μA μA μA POWER REQUIREMENTS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) |
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