Datasheet LT1999-10, LT1999-20, LT1999-50 (Analog Devices) - 8

HerstellerAnalog Devices
BeschreibungHigh Voltage, Bidirectional Current Sense Amplifier
Seiten / Seite28 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. Supply Current. vs Input Common …
RevisionE
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TYPICAL PERFORMANCE CHARACTERISTICS. Supply Current. vs Input Common Mode. Supply Current vs Temperature

TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Input Common Mode Supply Current vs Temperature

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LT1999

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LT1999-10/LT1999-20/ LT1999-50
TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Input Common Mode Supply Current vs Temperature Supply Current vs Supply Voltage
7 1.8 4.0 V+ = 5V VSHDN = OPEN 150°C VCM = 12V V 130°C 6 INDIFF = 0V 3.5 VCM = 12V 90°C 1.7 3.0 25°C 5 –45°C 2.5 –55°C 4 (mA) (mA) 1.6 (mA) 2.0 I S 3 I S V+ = 5.5V I S 1.5 2 1.5 V+ = 4.5V 1.0 1 0.5 0 1.4 0 –5 5 15 25 35 45 55 65 75 80 –55 –30 –5 20 45 70 95 120 145 0 1 2 3 4 5 VCM (V) TEMPERATURE (°C) SUPPLY VOLTAGE (V) 1999 G01 1999 G02 1999 G03
Supply Current Shutdown Supply Current Shutdown Input Bias Current vs SHDN Pin Voltage vs Temperature vs Input Common Mode
10 10 1000 V+ = 5V VSHDN = 0V V+ = 5V TA = 150°C V V CM = 12V INDIFF = 0V VSHDN = 0V V 8 CM = 12V VSENSE = 0V 1 TA =130°C 100 6 TA =110°C (mA) 0.1 (µA) (nA) I S T I S I B A = 150°C 4 V+ = 5.5V 10 TA = 90°C 0.01 V+ = 4.5V 2 T T A = 70°C A = –55°C TA = 25°C 0.001 0 1 0 1 2 3 4 5 –55 –30 –5 20 45 70 95 120 145 0 20 40 60 80 100 VSHDN (V) TEMPERATURE (°C) VCM (V) 1999 G04 1999 G05 1999 G06
Input Bias Current Input Impedance vs Input Common Mode Input Bias Current vs Temperature vs Input Common Mode Voltage
0.5 146 100000 V+ = 5V VSHDN = OPEN V 144 INDIFF = 0V V+ = 5V 0 10000 COMMON MODE INPUT IMPEDANCE 142 –0.5 V 140 CM = 80V 1000 (mA) (µA) I B I B –1.0 138 V 100 CM = 5.5V IMPEDANCE (kΩ) 136 DIFFERENTIAL INPUT IMPEDANCE –1.5 10 134 –2.0 132 1 –5 5 15 25 35 45 55 65 75 80 –55 –30 –5 20 45 70 95 120 145 –5 5 15 25 35 45 55 65 75 VCM (V) TEMPERATURE (°C) VCM (V) 1999 G07 1999 G08 1999 G09 Rev. E 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuit Applications Information Theory of Operation Typical Applications Package Description Revision History Typical Application Related Parts