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LTC1440CS8 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1440CS8 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 12 page  3 LTC1440/LTC1441/LTC1442 V + = 5V, V – = GND = 0V, TA = 25°C unless otherwise noted. ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Comparator VOS Comparator Input Offset Voltage VCM = 2.5V q ±3 ±10 mV IIN Input Leakage Current (IN +, IN –)VIN + = VIN– = 2.5V q ±0.01 ±1.0 nA Input Leakage Current (HYST) q ±0.02 ±1.0 nA VCM Comparator Input Common Mode Range q V – V + – 1.3V V CMRR Common Mode Rejection Ratio V – to V + – 1.3V 0.1 1 mV/V PSRR Power Supply Rejection Ratio V + = 2V to 11V 0.1 1 mV/V NOISE Voltage Noise 100Hz to 100kHz 100 µVRMS VHYST Hysteresis Input Voltage Range LTC1440/LTC1442 q REF – 50mV REF V tPD Propagation Delay COUT = 100pF Overdrive = 10mV 15 µs Overdrive = 100mV 8 µs VOH Output High Voltage IO = – 13mA q V + – 0.4V V VOL Output Low Voltage IO = 1.8mA LTC1440 q GND + 0.4V V LTC1441/LTC1442 q V – + 0.4V V Reference VREF Reference Voltage No Load C Temp Range q 1.170 1.182 1.194 V LTC1440/LTC1442 I Temp Range q 1.164 1.200 V No Load LTC1440 (MSOP) C Temp Range q 1.164 1.200 V ISOURCE Reference Output Source Current ∆VREF ≤ 1mV (LTC1442) q 100 200 µA ISINK Reference Output Sink Current ∆VREF ≤ 2.5mV (LTC1442) 10 20 µA ∆VREF Reference Source Current 0 ≤ ISOURCE ≤ 2mA (LTC1440) q 0.8 5 mV Reference Sink Current 0 ≤ ISINK ≤ 10µA (LTC1440) 0.5 1.5 mV q 5mV NOISE Voltage Noise 100Hz to 100kHz 100 µVRMS V + = 3V, V – = GND = 0V, TA = 25°C unless otherwise noted. Power Supply V + Supply Voltage Range q 211 V ICC Supply Current IN + = IN – = 80mV LTC1440 q 2 3.6 µA HYST = REF (LTC1440/LTC1442) LTC1441 q 3.5 5.7 µA LTC1442 q 3.5 5.7 µA Comparator VOS Comparator Input Offset Voltage VCM = 1.5V q ±3 ±10 mV IIN Input Leakage Current (IN +, IN –)VIN + = VIN– = 1.5V q ±0.01 ±1nA Input Leakage Current (HYST) q ±0.02 ±1nA VCM Comparator Input Common Mode Range q V – V + – 1.3V V CMRR Common Mode Rejection Ratio V – to V + – 1.3V 0.1 1 mV/V PSRR Power Supply Rejection Ratio V + = 2V to 11V 0.1 1 mV/V NOISE Voltage Noise 100Hz to 100kHz 100 µVRMS VHYST Hysteresis Input Voltage Range LTC1440/LTC1442 q REF – 50mV REF V tPD Propagation Delay COUT = 100pF Overdrive = 10mV 14 µs Overdrive = 100mV 5 µs VOH Output High Voltage IO = – 8mA q V + – 0.4V V VOL Output Low Voltage IO = 0.8mA LTC1440 q GND + 0.4V V LTC1441/LTC1442 q V – + 0.4V V |
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