Datasheet LT1999-10, LT1999-20, LT1999-50 (Analog Devices) - 5

FabricanteAnalog Devices
DescripciónHigh Voltage, Bidirectional Current Sense Amplifier
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ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating

ELECTRICAL CHARACTERISTICS The denotes the specifications which apply over the full operating

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LT1999

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link to page 14 LT1999-10/LT1999-20/ LT1999-50
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, 0°C < TA < 70°C for C-grade parts, –40°C < TA < 85°C for I-grade parts, and –40°C < TA < 125°C for H-grade parts, otherwise specifications are at TA = 25°C. V+ = 5V, GND = 0V, VCM = 12V, VREF = floating, VSHDN = floating, unless otherwise specified. See Figure 2. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
ISHDN Pin Pull-Up Current V+ = 5.5V, VSHDN = 0V l –6 –2 μA VIH SHDN Pin Input High l V+ – 0.5 V VIL SHDN Pin Input Low l 0.5 V f3dB Small Signal Bandwidth LT1999-10 2 MHz LT1999-20 2 MHz LT1999-50 1.2 MHz SR Slew Rate 3 V/μs ts Settling Time due to Input Step, ΔVOUT = ±2V 0.5% Settling 2.5 μs tr Common Mode Step Recovery Time LT1999-10 0.8 μs ΔVCM = ±50V, 20ns LT1999-20 1 μs (Note 10) LT1999-50 1.3 μs VS Supply Voltage (Note 11) l 4.5 5 5.5 V IS Supply Current VCM > 5.5V l 1.55 1.9 mA VCM = –5V l 5.8 7.1 mA V+ = 5.5V, VSHDN = 0.5V, VCM > 0V l 3 10 μA RO Output Impedance ΔIO = ±2mA 0.15 Ω ISRC Sourcing Output Current RLOAD = 50Ω to GND l 6 31 40 mA ISNK Sinking Output Current RLOAD = 50Ω to V+ l 15 26 40 mA VOUT Swing Output High (with Respect to V+) RLOAD = 1kΩ to Mid-Supply l 125 250 mV RLOAD = Open l 5 125 mV Swing Output Low (with Respect to V–) RLOAD = 1kΩ to Mid-Supply l 250 400 mV RLOAD = Open l 150 225 mV tON Turn-On Time VSHDN = 0V to 5V 1 μs tOFF Turn-Off Time VSHDN = 5V to 0V 1 μs Rev. E For more information www.analog.com 5 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