LT1999IS8-20#PBF

LT1999 Bidirectional Current Sense Amplifier

Analog Devices LT1999 Bidirectional Current Sense Amplifier is designed to monitor bidirectional currents over a wide common-mode range. The device has three gain options (10V/V, 20V/V, and 50V/V). The LT1999 senses current via an external resistive shunt and generates an output voltage, indicating the sensed current's magnitude and direction. The output voltage is referenced halfway between the supply voltage and ground, or an external voltage can be used to set the reference level. With a 2MHz bandwidth and a common-mode input range of –5V to 80V, the LT1999 is suitable for monitoring currents in H-Bridge motor controls, switching power supplies, solenoid currents, and battery charge currents from full charge to depletion.

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Analog Devices Amplifiers deliver high performance through a combination of expert design, manufacturing processes, and application support, offering products that simplify the signal conditioning design process. The broad portfolio of amplifiers includes operational amplifiers covering a range of precision, speed, and voltage ranges, specialty amplifiers covering special functions and operations like current sensing and optical trans-impedance amplifiers, ADC drivers, and instrumentation amplifiers.