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LTC6102HVIMS8-PBF Datasheet(PDF) 1 Page - Linear Technology |
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LTC6102HVIMS8-PBF Datasheet(HTML) 1 Page - Linear Technology |
1 / 20 page LTC6102/LTC6102HV 1 6102fb TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION Precision Zero Drift Current Sense Amplifier The LTC®6102/LTC6102HV are versatile, high voltage, high-side current sense amplifiers. Their high supply voltage rating allows their use in almost any application, while the low drift and offset ensure accuracy across a wide range of operating conditions. The LTC6102/LTC6102HV monitor current via the voltage across an external sense resistor (shunt resistor). Internal circuitry converts input voltage to output current, allowing a small sense signal on a large common mode voltage to be translated to a ground-referred signal. Low DC offset allows the use of very low shunt resistor values and large gain-setting resistors. As a result, power loss in the shunt is reduced. The wide operating supply and high accuracy make the LTC6102/LTC6102HV ideal for a large array of applications from automotive to industrial and power management. A maximum input sense voltage of 2V allows a wide range of currents and voltages to be monitored. Fast response makes the LTC6102/LTC6102HV the perfect choice for load current warnings and shutoff protection control. The LTC6102/LTC6102HV are available in 8-lead MSOP and 3mm × 3mm DFN packages. n Supply Range: 4V to 60V, 70V Absolute Maximum (LTC6102) 5V to 100V, 105V Absolute Maximum (LTC6102HV) n ±10μV Input Offset Maximum n ±50nV/°C Input Offset Drift Maximum n Fast Response: 1μs Step Response n Gain Configurable with Two Resistors n Low Input Bias Current: 3nA Maximum n PSRR 130dB Minimum n Output Currents up to 1mA n Operating Temperature Range: –40°C to 125°C n Available in 8-Lead MSOP and 3mm × 3mm DFN Packages n Current Shunt Measurement n Battery Monitoring n Remote Sensing n Power Management n Load Protection n Motor Control n Automotive Controls Dynamic Range vs Maximum Power Dissipation in RSENSE at 10A 10A Current Sense with 10mA Resolution and 100mW Maximum Dissipation L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TO μP 6102 TA01 LTC2433-1 LTC6102HV ROUT 4.99k RIN 20Ω VOUT V+ V– OUT –INS –INF +IN VSENSE 1mΩ* ILOAD 5V TO 105V 1μF 0.1μF 5V L O A D – + – + VOUT = • VSENSE = 249.5VSENSE ROUT RIN *PROPER SHUNT SELECTION COULD ALLOW MONITORING OF CURRENTS IN EXCESS OF 1000A VREG MAXIMUM POWER DISSIPATION (W) 0.001 110 100 90 80 70 60 50 40 30 20 0.01 0.1 10 1 6102 TA01b DYNAMIC RANGE RELATIVE TO 10μV MINIMUM VSENSE ISENSE = 10A RSENSE = 100mΩ Max VSENSE = 1V RSENSE = 10μΩ Max VSENSE = 100μV |
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