85737 Ismaning, de
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105V High Side Current Sense Amplifier with 10uV Offset & Zero Drift
External resistors, selected by the designer, determine gain, gain accuracy and gain drift, and using precision resistors enables gain accuracy better than 99%. The topology of the LTC6102 allows the designer to customize power consumption, response time and the input/output impedance characteristics for the application. Furthermore, the LTC6102 has a 1us response time, allowing it to initiate fault protection or power shutdown in the event of unexpected load or supply current surges.
"The LTC6102 breaks new ground by applying LTC's zero-drift technology to high side current sensing," says Mike Kultgen, design manager for Linear Technology. "As a result, the LTC6102 will enable significantly more accurate current measurements and control applications."
Two versions provide the choice of common mode voltage: the LTC6102 operates with inputs up to 70V, and the LTC6102HV operates with inputs up to 105V.
Summary of Features: LTC6102
- Extremely Low Offset Voltage: 10uV (Max)
- Extremely Low Offset Drift: 50nV/°C (Max)
- 4V to 60V Operation, 70V ABS MAX (LTC6102)
- 5V to 100V Operation, 105V ABS MAX (LTC6102HV)
- 1us Response Time
- Low Input Bias Current: 3nA Max
- Gain Configurable with 2 Resistors
- Output Current up to 1mA
- 130dB Min PSRR
- -40°C to 125°C Operating Temperature Range
- 3mm x 3mm DFN, MSOP8 Package
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