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AMC3301QDWERQ1 is a precision, isolated amplifier optimized for shunt-based current measurements.

Feature

3.3-V or 5-V single supply with integrated DC/DC converter

±250-mV input voltage range optimized for current measurement using shunt resistors

Fixed gain: 8.2

Low DC errors:

Offset voltage: ±150 µV (max)

Offset drift: ±1 µV/°C (max)

Gain error: ±0.2% (max)

Gain error drift: ±40 ppm/°C (max)

Nonlinearity: ±0.04% (max)

High CMTI: 85 kV/µs (min)

System-level diagnostic features

Meets CISPR-11 and CISPR-25 EMI standards

Safety-related certifications:

6000-VPK reinforced isolation per DIN VDE V 0884-11

4250-VRMS isolation for 1 minute per UL1577

Fully specified over the extended industrial temperature range: –40°C to +125°C

Applications

Isolated shunt-based current sensing in:

HEV/EV charging piles

HEV/EV on-board chargers (OBC)

HEV/EV DC/DC converters

HEV/EV traction inverters

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