LTC6101BCS5 Datasheet

High Voltage, High-Side Current Sense Amplifier in SOT-23


The LTC®6101/LTC6101HV are versatile, high voltage, high side current sense amplifiers. Design fl exibility is provided by the excellent device characteristics; 300μV Max offset and only 375μA (typical at 60V) of current consumption. The LTC6101 operates on supplies from 4V to 60V and LTC6101HV operates on supplies from 5V to 100V.
The LTC6101 monitors current via the voltage across an external sense resistor (shunt resistor). Internal circuitry converts input voltage to output current, allowing for a small sense signal on a high common mode voltage to be translated into a ground referenced signal. Low DC offset allows the use of a small shunt resistor and large gain-setting resistors. As a result, power loss in the shunt is reduced.
The wide operating supply range and high accuracy make the LTC6101 ideal for a large array of applications from automotive to industrial and power management. A maxi mum input sense voltage of 500mV allows a wide range of currents to be monitored. The fast response makes the LTC6101 the perfect choice for load current warnings and shutoff protection control. With very low supply current, the LTC6101 is suitable for power sensitive applications.
The LTC6101 is available in 5-lead SOT-23 and 8-lead MSOP packages.

■ Supply Range:
   5V to 100V, 105V Absolute Maximum (LTC6101HV)
   4V to 60V, 70V Absolute Maximum (LTC6101)
■ Low Offset Voltage: 300μV Max
■ Fast Response: 1μs Response Time (0V to 2.5V on
   a 5V Output Step)
■ Gain Confi gurable with 2 Resistors
■ Low Input Bias Current: 170nA Max
■ PSRR: 118dB Min
■ Output Current: 1mA Max
■ Low Supply Current: 250μA, VS = 12V
■ Specifi ed Temperature Range: –40°C to 125°C
■ Operating Temperature Range: –55°C to 125°C
■ Low Profile (1mm) SOT-23 (ThinSOT™) Package

■ Current Shunt Measurement
■ Battery Monitoring
■ Remote Sensing
■ Power Management



Manufacturer information


 Linear Technology Corporation designs, manufactures and markets a broad line of standard high performance integrated circuits. Applications for the Company's products include telecommunications, cellular telephones, networking products, notebook and desktop computers, video/multimedia, industrial instrumentation, automotive electronics, factory automation, process control, and military and space systems. The Company's principal product categories include amplifiers, battery management, data converters, high frequency, interface, voltage regulators and voltage references

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