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Amplifiers & OP Amps/Current-Sense Amplifiers 
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MAX34406
Quad Current-Sense Amplifier with Overcurrent Threshold Comparators
Accurate Current Measurement with Automatic Overcurrent Shutdown for Four Supply Rails
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The MAX34406 is a quad, high-side, unidirectional, current-sense amplifier that offers precision accuracy. It provides analog outputs for each of the four amplifiers that can be routed to an external ADC, and contains four overcurrent comparators with a fixed 1.0V threshold. All four comparators are logically ORed, and the result can be delayed/filtered with an external capacitor before it is fed to a latched common shutdown open-drain output pin.Key Features
- Four Precision Current-Sense Amplifiers
- Fixed Gains of 25V/V, 50V/V, 100V/V, and 200V/V
- Less Than ±600µV of Input Offset
- Less Than ±0.6% of Gain Error (T/F/H) or ±0.8% of Gain Error (W)
- Wide 2.0V to 28V Common Mode Range
- Analog Voltage Outputs for Each Amplifier
- Independent Overcurrent Comparators with Fixed 1.0V Threshold
- Low Power Consumption
- -40°C to +85°C Temperature Range
- Small 24-Pin TQFN (4mm x 4mm) Package
Applications/Uses
- Base Stations
- Industrial Controls
- Network Switches/Routers
- Servers
- Smart Grid Network Systems
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