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Automotive ±1-V input, precision reinforced isolated amplifier with integrated DC/DC converter

Quality information

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Packaging information

Package | Pins Package qty | Carrier Operating temperature range (°C)
SO-MOD (DWE) | 16 2,000 | LARGE T&R
-40 to 125
Package | Pins SO-MOD (DWE) | 16
Package qty | Carrier 2,000 | LARGE T&R
Operating temperature range (°C) -40 to 125
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Features for the AMC3330-Q1

  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • 3.3-V or 5-V single supply operation with integrated DC/DC converter
  • ±1-V 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: ±45 ppm/°C (max)
    • Offset error: ±0.3 mV (max)
    • Offset drift: ±4 µV/°C (max)
    • Nonlinearity: ±0.02% (max)
  • High CMTI: 85 kV/µs (min)
  • System-level diagnostic features
  • Safety-related certifications:
    • 6000-VPK reinforced isolation per DIN VDE V 0884-11 (VDE V 0884-11): 2017-01
    • 4250-VRMS isolation for 1 minute per UL1577
  • Meets CISPR-11 and CISPR-25 EMI standards

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Description for the AMC3330-Q1

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 VDE V 0884-11 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.


Qty Price (USD)
1-99 9.362
100-249 7.632
250-999 5.999
1,000+ 5.088