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LT6106

Linear Technology
Part Number LT6106
Manufacturer Linear Technology
Description 36V Low Cost High Side Current Sense
Published Dec 10, 2008
Detailed Description LT6106 36V Low Cost High Side Current Sense in a SOT-23 FEATURES Gain Configurable with Two Resistors ■ Low Offset Voltag...
Datasheet PDF File LT6106 PDF File

LT6106
LT6106

Overview
LT6106 36V Low Cost High Side Current Sense in a SOT-23 FEATURES Gain Configurable with Two Resistors ■ Low Offset Voltage: 250μV Maximum ■ Output Current: 1mA Maximum ■ Supply Range: 2.
7V to 36V, 44V Absolute Maximum ■ Low Input Bias Current: 40nA Maximum www.
DataSheet4U.
com ■ PSRR: 106dB Minimum ■ Low Supply Current: 65μA Typical, V+ = 12V ■ Operating Temperature Range: –40°C to 125°C ■ Low Profile (1mm) ThinSOTTM Package ■ DESCRIPTION The LT®6106 is a versatile high side current sense amplifier.
Design flexibility is provided by the excellent device characteristics: 250μV maximum offset and 40nA maximum input bias current.
Gain for each device is set by two resistors and allows for accuracy better than 1%.
The LT6106 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.
The low DC offset allows for monitoring very small sense voltages.
As a result, a small valued shunt resistor can be used, which minimizes the power loss in the shunt.
The wide 2.
7V to 44V input voltage range, high accuracy and wide operating temperature range make the LT6106 ideal for automotive, industrial and power management applications.
The very low power supply current of the LT6106 also makes it suitable for low power and battery operated applications.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
APPLICATIONS ■ ■ ■ ■ ■ ■ Current Shunt Measurement Battery Monitoring Power Management Motor Control Lamp Monitoring Overcurrent and Fault Detection TYPICAL APPLICATION 3V to 36V, 5A Current Sense with AV = 10 3V TO 36V Measurement Accuracy vs Load Current 0.
6 0.
4 ACCURACY (% OF FULL SCALE) LIMIT OVER TEMPERATURE 100Ω 0.
02Ω +IN –IN 0.
2 0 –...


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