MAX4080SAUA+T

MAX4080 is a 76V, high-side, current-sense amplifier with voltage output. It extends from 4.5V to 76V making them ideal for telecom, automotive, backplane, and other systems where high-voltage current monitoring is critical. It is designed for unidirectional current-sense applications. The charging current is represented by an output voltage from VREF to VCC, while discharge current is given from VREF to GND. Applications include automotive (12V, 24V, or 42V batteries), 48V telecom and backplane current measurement, bidirectional motor control, power-management systems, avalanche photodiode and PIN-diode current monitoring, general system/board-level current sensing, precision high-voltage current sources.

• Ideal for high-voltage current monitoring applications
• Wide 4.5V to 76V input common-mode range
• Independent operating supply voltage
• High accuracy and low quiescent current support precision application requirements
• Typical input offset voltage is ±0.1mV (TA = +25°C, VCC = VRS+ = 48V), ±0.1% full-scale accuracy
• 60V/V gain (typ, VCC = VRS+ = 4.5V to 76V, TA = +25°C)
• 75µA supply current (typ, VCC = VRS+ = 76V, no load, TA = +25°C)
• 124dB typical common-mode rejection ratio (typ, VCC = 48V, VRS+ = 4.5V to 76V)
• 122dB power-supply rejection ratio (typ, VRS+ = 48V, VCC = 4.5V to 76V)
• 8 µMAX package, operating temperature range from -40°C to +125°C

Notas

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