0
ACTIVE
Device type |
Current sensing, Voltage sensing |
Sample rate (max) (Msps) |
0.064 |
Rating |
Catalog |
CMTI (min) (kV/µs) |
0.0001 |
Number of input channels |
3 |
Architecture |
Delta-Sigma |
SNR (dB) |
98 |
Operating temperature range (°C) |
-40 to 125 |
Power consumption (typ) (mW) |
53 |
SFDR (dB) |
105 |
Isolation rating |
Reinforced |
Withstand isolation voltage (VISO) (Vrms) |
5000 |
Working isolation voltage (VIOWM) (Vrms) |
1200 |
Transient isolation voltage (VIOTM) (VPK) |
7070 |
Creepage (min) (mm) |
8 |
Clearance (min) (mm) |
8 |
SOIC (DFM)-20-132.149 mm² 12.83 x 10.3
The AMC131M03 is a precision, three-channel, data- and power-isolated, simultaneous-sampling, 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC). The AMC131M03 offers wide dynamic range, low power, and energy-measurement-specific features designed for energy metering and power metrology applications. The ADC inputs can be directly interfaced to a resistor-divider network or a shunt current sensor because of the device high input impedance.
The AMC131M03 features 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 0884-17 and UL1577. This isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects lower-voltage parts from damage, making the AMC131M03 an excellent choice for polyphase energy metering applications using shunt current sensors.
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