Product details

Input range (Vp-p) 50mV Interface type Serial CMOS Sample rate (Max) (MSPS) 21 Rating Catalog Isolation (kV peak) 6 CMTI (Min) (kV/µs) 75 Number of input channels 1 Architecture Delta-Sigma SNR (dB) 77 Operating temperature range (C) -40 to 125 INL (Max) (+/-LSB) 4 Power consumption (Typ) (mW) 85.8
Input range (Vp-p) 50mV Interface type Serial CMOS Sample rate (Max) (MSPS) 21 Rating Catalog Isolation (kV peak) 6 CMTI (Min) (kV/µs) 75 Number of input channels 1 Architecture Delta-Sigma SNR (dB) 77 Operating temperature range (C) -40 to 125 INL (Max) (+/-LSB) 4 Power consumption (Typ) (mW) 85.8
SO-MOD (DWE) 16 106 mm² 10.3 x 10.3
  • 3.3-V or 5-V single supply with integrated DC/DC converter
  • ±50-mV input voltage range optimized for current measurement using shunt resistors
  • Low DC errors:
    • Offset error: ±50 µV (max)
    • Offset drift: ±0.4 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±35 ppm/°C (max)
  • High CMTI: 75 kV/µs (min)
  • System-level diagnostic features
  • Low EMI: meets CISPR-11 and CISPR-25 standards
  • Safety-related certifications:
    • 6000-VPEAK 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
  • 3.3-V or 5-V single supply with integrated DC/DC converter
  • ±50-mV input voltage range optimized for current measurement using shunt resistors
  • Low DC errors:
    • Offset error: ±50 µV (max)
    • Offset drift: ±0.4 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±35 ppm/°C (max)
  • High CMTI: 75 kV/µs (min)
  • System-level diagnostic features
  • Low EMI: meets CISPR-11 and CISPR-25 standards
  • Safety-related certifications:
    • 6000-VPEAK 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

The AMC3306M05 is a precision, isolated delta-sigma (ΔΣ) modulator, optimized for shunt-based current measurements. The fully integrated, isolated DC/DC converter allows single-supply operation from the low-side of the device which makes the device a unique solution for space-constrained applications. The reinforced capacitive isolation barrier is certified according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1.2 kVRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from hazardous voltages and damage.

The input of the AMC3306M05 is optimized for direct connection to a low-impedance shunt resistor or other, low-impedance voltage source with low signal levels. The excellent DC accuracy and low temperature drift supports accurate current measurments over the extended industial temperature range from –40°C to +125°C.

By using a digital filter (such as a sinc3 filter) to decimate the bitstream, the device can achieve 16 bits of resolution with a dynamic range of 85 dB at a data rate of 78 kSPS.

The AMC3306M05 is a precision, isolated delta-sigma (ΔΣ) modulator, optimized for shunt-based current measurements. The fully integrated, isolated DC/DC converter allows single-supply operation from the low-side of the device which makes the device a unique solution for space-constrained applications. The reinforced capacitive isolation barrier is certified according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1.2 kVRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from hazardous voltages and damage.

The input of the AMC3306M05 is optimized for direct connection to a low-impedance shunt resistor or other, low-impedance voltage source with low signal levels. The excellent DC accuracy and low temperature drift supports accurate current measurments over the extended industial temperature range from –40°C to +125°C.

By using a digital filter (such as a sinc3 filter) to decimate the bitstream, the device can achieve 16 bits of resolution with a dynamic range of 85 dB at a data rate of 78 kSPS.

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Evaluation board

AMC3306EVM — AMC3306 precision reinforced isolated modulator with integrated DC/DC converter evaluation module

The AMC3306 evaluation module (EVM) is a platform for evaluating the AMC3306 product, a precision isolated amplifier with an integrated DC/DC converter that powers the high side of the amplifier. AMC3306 is a 7-kV reinforced isolation modulator designed for use in current shunt measuring (...)

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