Calculation tool
SBAR013 — Isolated Amplifier Voltage Sensing Excel Calculator
This calculator provides estimates of the errors associated with using isolation amplifier devices in a voltage sensing configuration.
Data sheet
AMC1350
- Linear input voltage range: ±5 V
- High input impedance: 1.25 MΩ (typ)
- Fixed gain: 0.4 V/V
- Low DC errors:
- Offset error ±1.5 mV (max)
- Offset drift: ±15 µV/°C (max)
- Gain error: ±0.2% (max)
- Gain drift: ±35 ppm/°C (max)
- Nonlinearity ±0.02% (max)
- Operation on high-side and low-side: 3.3 V or 5 V
- High CMTI: 100 kV/µs (min)
- Fail-safe output
- Safety-related certifications:
- 7070-VPK reinforced isolation per DIN VDE V 0884-11: 2017-01
- 5000-VRMS isolation for 1 minute per UL1577
- Fully specified over the extended industrial temperature range: –40°C to +125°C
The AMC1350 is a precision, isolated amplifier with an output separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 5 kVRMS according to VDE V 0884-11 and UL1577, and supports a working voltage of up to 1.5 kVRMS.
The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from potentially harmful voltages and damage.
The high-impedance input of the AMC1350 is optimized for connection to high-impedance resistive dividers or other voltage signal sources with high output resistance. The excellent accuracy and low temperature drift supports accurate AC and DC voltage sensing in DC/DC converters, frequency inverters, AC motor, and servo-drive applications over the extended industrial temperature range from –40°C to +125°C.
Technical documentation
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Evaluation board
AMC1350EVM — AMC1350 evaluation module for ±5-V input, precision, reinforced isolated amplifier
The AMC1350 evaluation module (EVM) is a platform for evaluating the AMC1350, which is a precision isolated amplifier with a -5-V to 5-V input range. AMC1350 has 7071-VPK reinforced isolation and is designed for use in bipolar voltage-measuring applications.
Calculation tool
SBAR020 — Isolated Amplifier Current Sensing Excel Calculator
This calculator provides estimates of the errors associated with using isolation amplifier devices in a current sensing configuration.
Supported products & hardware
Products
Isolated amplifiers
Isolated ADCs
Precision ADCs
Simulation tool
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Reference designs
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Design guide: PDF
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOIC (DWV) | 8 | Ultra Librarian |
Ordering & quality
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