The AMC1202 is a precision, basic isolated amplifier with an isolation barrier highly resistant to magnetic interference. It is designed for shunt-resistor-based current sensing in high-voltage applications such as HEV/EV charging piles, traction inverters, and DC/DC converters. The device features a ±50-mV input range, a fixed gain of 41, and high common-mode transient immunity (CMTI) of 100 kV/µs. The isolation barrier provides galvanic isolation of up to 3 kVrms and supports a working voltage of 1 kVrms.
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Texas Instruments AMC1202DWVR technical specifications.
| Input Voltage Range | ±50mV |
| Fixed Gain | 41V/V |
| Input Offset Voltage (Max) | ±50µV |
| Input Offset Drift (Max) | ±0.8µV/°C |
| Gain Error (Max) | ±0.2% |
| Nonlinearity (Max) | 0.03% |
| Common-Mode Transient Immunity (Min) | 100kV/µs |
| Bandwidth (3 dB) | 280kHz |
| Isolation Voltage (UL1577) | 3000Vrms |
| Maximum Working Voltage | 1000Vrms |
| High-side Supply Voltage Range | 3.0 to 5.5V |
| Low-side Supply Voltage Range | 3.0 to 5.5V |
| Operating Temperature Range | -40 to 125°C |
| RoHS | Compliant |
| REACH | Compliant |
| Green | RoHS & no Sb/Br |
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