Datasheet LTC1998 (Analog Devices) - 4

FabricanteAnalog Devices
Descripción2.5µA, 1% Accurate SOT-23 Comparator and Voltage Reference for Battery Monitoring
Páginas / Página12 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS. Quiescent Supply Current. Threshold …
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TYPICAL PERFORMANCE CHARACTERISTICS. Quiescent Supply Current. Threshold Voltage. vs Supply Voltage. vs Temperature

TYPICAL PERFORMANCE CHARACTERISTICS Quiescent Supply Current Threshold Voltage vs Supply Voltage vs Temperature

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LTC1998
TYPICAL PERFORMANCE CHARACTERISTICS Quiescent Supply Current Quiescent Supply Current Threshold Voltage vs Supply Voltage vs Temperature vs T hreshold Adjust Voltage
3.5 3.5 3.5 TA = 25°C VBATT = VLOGIC = 3V V 3.0 LOGIC = VBATT 3.0 VTH.A = 1.5V 2.5 2.5 VTH.A = 0V VTH.A = 1.5V 2.0 2.0 3.0 1.5 1.5 SUPPLY CURRENT (μA) 1.0 SUPPLY CURRENT (μA) 1.0 THRESHOLD VOLTAGE (V) 0.5 0.5 0 0 2.5 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 –50 –30 –10 10 30 50 70 90 0 0.5 1.0 1.5 SUPPLY VOLTAGE (V) TEMPERATURE (°C) THRESHOLD ADJUST VOLTAGE (V) 1998 G01 1998 G02 1998 G03
Available Hysteresis Threshold Voltage Error vs Threshold Voltage vs Temperature Input Current vs Temperature
750 1.0 10000 0.9 VIN = 1.5V 0.8 VTH.A SET BY 1% 1000 EXTERNAL R, (pA) 0.7 THRESHOLD = 3V H.A 500 , V 0.6 100 VIN = 1V TH.A 0.5 V V TH.A = 1V IN = 0.5V THRESHOLD = 3V % ERROR 0.4 10 250 V 0.3 TH.A SHORTED TO GROUND, AVAILABLE HYSTERESIS (mV) 0.2 THRESHOLD = 2.5V 1 INPUT CURRENT V 0.1 0 0 0.1 2.5 2.75 3.0 3.25 –45 –25 –5 15 35 55 75 95 35 45 55 65 75 85 95 105 115 125 LOW BATTERY THRESHOLD VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 1998 G04 1998 G05 1998 G06 1998fb 4