AMC3330-Q1
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to 125°C, TA
- 3.3V or 5V single supply operation with integrated DC/DC converter
- ±1V input voltage range optimized for voltage measurements with high input impedance
- Fixed gain: 2.0
- Low DC errors:
- Gain error: ±0.2% (max)
- Gain drift: ±45ppm/°C (max)
- Offset error: ±0.3mV (max)
- Offset drift: ±4µV/°C (max)
- Nonlinearity: ±0.02% (max)
- High CMTI: 85kV/µs (min)
- System-level diagnostic features
- Safety-related certifications:
- 6000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 4250VRMS isolation for 1 minute per UL1577
- Meets CISPR-11 and CISPR-25 EMI standards
The AMC3330-Q1 is a precision, isolated amplifier with a fully integrated, isolated DC/DC converter that allows single-supply operation from the low-side of the device. The reinforced capacitive isolation barrier is certified according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 and separates sections of the system that operate on different common-mode voltage levels and protects low-voltage domains from damage.
The input of the AMC3330-Q1 is optimized for direct connection to high-impedance, voltage-signal sources such as a resistor-divider network to sense high-voltage signals. The integrated isolated DC/DC converter allows measurement of non-ground-referenced signals and makes the device a unique solution for noisy, space-constrained applications.
The excellent performance of the device supports accurate voltage monitoring and control. The integrated DC/DC converter fault-detection and diagnostic output pin of the AMC3330-Q1 simplify system-level design and diagnostics.
The AMC3330-Q1 is specified over the temperature range of –40°C to +125°C.
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