LTC6101/LTC6101HV High Voltage, High-Side Current Sense Amplifier in SOT-23 FEATURESDESCRIPTION n Supply Range: The LTC®6101/LTC6101HV are versatile, high voltage, high 5V to 100V, 105V Absolute Maximum (LTC6101HV) side current sense amplifiers. Design flexibility is provided 4V to 60V, 70V Absolute Maximum (LTC6101) by the excellent device characteristics; 300μV Max offset n Low Offset Voltage: 300μV Max and only 375μA (typical at 60V) of current consumption. n Fast Response: 1μs Response Time (0V to 2.5V on The LTC6101 operates on supplies from 4V to 60V and a 5V Output Step) LTC6101HV operates on supplies from 5V to 100V. n Gain Configurable with 2 Resistors The LTC6101 monitors current via the voltage across an n Low Input Bias Current: 170nA Max external sense resistor (shunt resistor). Internal circuitry n PSRR: 118dB Min converts input voltage to output current, allowing for a n Output Current: 1mA Max small sense signal on a high common mode voltage to n Low Supply Current: 250μA, V S = 12V be translated into a ground referenced signal. Low DC n Specified Temperature Range: –40°C to 125°C offset allows the use of a small shunt resistor and large n Operating Temperature Range: –55°C to 125°C gain-setting resistors. As a result, power loss in the shunt n Package Option for High Voltage Spacing is reduced. n Low Profile (1mm) SOT-23 (ThinSOT™) Package The wide operating supply range and high accuracy make APPLICATIONS the LTC6101 ideal for a large array of applications from automotive to industrial and power management. A maxi- n mum input sense voltage of 500mV allows a wide range Current Shunt Measurement n of currents to be monitored. The fast response makes the Battery Monitoring n LTC6101 the perfect choice for load current warnings and Remote Sensing n shutoff protection control. With very low supply current, Power Management the LTC6101 is suitable for power sensitive applications. All registered trademarks and trademarks are the property of their respective owners. The LTC6101 is available in 5-lead SOT-23 and 8-lead MSOP packages. TYPICAL APPLICATION16-Bit Resolution Unidirectional Output into LTC2433 ADCStep Response ILOAD VSENSE – + V – SENSE RIN 5V TO 105V – 100Ω ΔV = 100mV +IN SENSE –IN L + 5.5V – V+ V– O 5V A 5V 1µF TA = 25°C D V+ = 12V RIN = 100 V R OUT OUT = 5k VOUT + OUT VSENSE = V+ LTC6101HV IOUT = 100µA LTC2433-1 TO µP ROUT 0.5V IOUT = 0 4.99k 0V 500ns/DIV 6101 TA01 6101 TA01b R V OUT OUT = • VSENSE = 49.9VSENSE RIN Rev I Document Feedback For more information www.analog.com 1 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS
