Texas Instruments AMC0380R/AMC0380R-Q1 Isolated Amplifiers
Texas Instruments AMC0380R/AMC0380R-Q1 Isolated Amplifiers are precision, galvanically isolated amplifiers with a high-voltage AC input, reinforced amplifiers with single-ended ratiometric output. These amplifiers provide reinforced isolation up to 5kVRMS (60s). The AMC0380R/AMC0380R-Q1 isolated amplifiers are available in a 15-pin, 0.65mm pitch SSOP package. The AMC0380R-Q1 devices are AEC-Q100 qualified for automotive applications. These amplifiers are available in a fully specified over-temperature range from -40°C to 125°C. Typical applications include Server Power-Supply Units (PSUs), Energy Storage Systems (ESS), solar inverters, EV charging stations, and traction inverters.
Features
- Integrated, high-voltage resistive divider for direct AC voltage sensing without external resistors
- Single-ended output, ratiometric to VREFIN
- 2.7V to 5.5V reference input range
- Supply voltage range:
- 3.0V to 5.5V high-side (VDD1)
- 3.0V to 5.5V low-side (VDD2)
- Low DC errors:
- ±1.5mV (maximum) offset error
- ±20µV/°C (maximum) offset drift
- ±0.25% (maximum) attenuation error
- ±40ppm/°C (maximum) attenuation drift
- ±0.05% (maximum) nonlinearity
- 150V/ns (minimum) high CMTI
- Low EMI meets CISPR-11 and CISPR-25 limits
- ±400V, 8.3MΩ available input
- Safety-related certifications:
- 7000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 5000VRMS isolation for 1 minute per UL 1577
- -40°C to 125°C fully specified over the extended industrial temperature range
Applications
- Server Power-Supply Units (PSUs)
- Energy Storage Systems (ESS)
- Solar inverters
- EV charging stations
Application Diagram
Block Diagram
Datasheets
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Automotive AC-input isolated amplifier with integrated resistive divider and differential output.