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LT1389 数据表(PDF) 6 Page - Linear Technology |
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LT1389 数据表(HTML) 6 Page - Linear Technology |
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6 / 12 page ![]() 6 LT1389 Reverse Characteristics Reverse Voltage Change vs Current Dynamic Impedance vs Frequency Forward Characteristics Reverse Dynamic Impedance 0.1Hz to 10Hz Noise 200ms/DIV IR = 0.9µA COUT = 0.1µF Response Time 0V 1ms/DIV 1389-2.5 G08 Response Time Temperature Drift 3V IR = 0.9µA COUT = 0µF 3V 2V 1V 0V 5V 0V 1389-2.5 G09 2.5V TYPICAL PERFOR A CE CHARACTERISTICS REVERSE VOLTAGE (V) 0 400 600 1.6 2.0 2.4 2.8 1389-2.5 G01 200 0 0.4 0.8 1.2 1000 800 TA = –40°C TO 85°C TEMPERATURE ( °C) –40 3.0 0 1389-2.5 TA02 0 – 2.0 –20 20 – 3.0 – 4.0 4.0 2.0 1.0 –1.0 40 60 80 IR = 0.9µA IR = 250µA REVERSE CURRENT (mA) 0.4 0.8 1.2 0.001 0.1 1 10 1389-2.5 G03 0 1.6 2.0 0.01 –40 °C 25 °C 85 °C REVERSE CURRENT (mA) 0.001 0.1 10 1000 0.1 0.01 10 1 1389-2.5 G04 1 100 TA = 25°C f = 25Hz FREQUENCY (kHz) 0.1 1 10 100 0.1 1 10 1389-2.5 G05 0.01 0.01 IR = 0.9µA COUT = 0.033µF IR = 0.9µA COUT = 0µF IR = 10µA COUT = 0µF TA = 25°C IR = 10µA COUT = 0.22µF FORWARD CURRENT (mA) 0.001 0.4 0.5 0.6 0.7 0.8 0.01 0.1 1 10 100 1389-2.5 G06 0.3 0.2 0.1 0 0.9 1.0 TA = 25°C TIME (SEC) 0 20 60 100 40 1389-2.5 G07 –20 –60 0 40 80 –40 –80 –100 10 20 30 50 70 60 IR = 0.9µA 5V 0V 1V 2V |
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