Overview
The AMC1306M05DWVR from Texas Instruments is a high-precision, reinforced isolated delta-sigma (ΔΣ) modulator designed for accurate current sensing and isolated voltage measurements. This device features a capacitive double isolation barrier, providing up to 7000 VPEAK reinforced isolation according to DIN VDE V 0884-11 and UL1577 standards. It is optimized for shunt-resistor-based current measurements and supports excellent AC and DC performance. The AMC1306M05DWVR is fully specified over the extended industrial temperature range of –40°C to +125°C, making it suitable for a variety of industrial applications.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage Range | -50 | - | 50 | mV |
| Offset Error | - | - | ±50 µV / ±100 µV | - |
| Offset Drift | - | - | 1 µV/°C | - |
| Gain Error | - | - | ±0.2% | - |
| Gain Drift | - | - | ±40 ppm/°C | - |
| Transient Immunity | - | 100 kV/µs | - | - |
| Isolation Voltage | - | - | 7000 VPEAK | - |
| Operating Temperature Range | -40°C | - | +125°C | - |
| Package Type | - | - | SOIC (8-pin) | - |
| Body Size | - | - | 5.85 mm × 7.50 mm | - |
Key Features
- Pin-compatible family optimized for shunt-resistor-based current measurements with ±50-mV or ±250-mV input voltage ranges.
- Manchester coded or uncoded bitstream options.
- Excellent DC performance with low offset error, offset drift, gain error, and gain drift.
- High transient immunity of 100 kV/µs.
- System-level diagnostic features.
- Safety-related certifications including 7000 VPEAK reinforced isolation and compliance with UL1577, CAN/CSA no. 5A, and IEC 62368-1 standards.
- Capacitive double isolation barrier highly resistant to magnetic interference.
- Support for single-wire data and clock transfer in Manchester coded versions.
Applications
- Shunt-resistor-based current sensing in industrial motor drives.
- Isolated voltage measurements in photovoltaic inverters.
- Uninterruptible power supplies (UPS).
Q & A
- What is the input voltage range of the AMC1306M05DWVR?
The input voltage range is ±50 mV.
- What type of isolation does the AMC1306M05DWVR provide?
The device provides reinforced isolation of up to 7000 VPEAK.
- What are the key DC performance specifications of the AMC1306M05DWVR?
The key DC performance specifications include offset error of ±50 µV or ±100 µV, offset drift of 1 µV/°C, gain error of ±0.2%, and gain drift of ±40 ppm/°C.
- What is the operating temperature range of the AMC1306M05DWVR?
The operating temperature range is –40°C to +125°C.
- What type of package does the AMC1306M05DWVR come in?
The device comes in an 8-pin SOIC package.
- What are the system-level diagnostic features of the AMC1306M05DWVR?
The device includes system-level diagnostic features to ensure reliable operation.
- Can the AMC1306M05DWVR support single-wire data and clock transfer?
- What are some common applications of the AMC1306M05DWVR?
- How does the AMC1306M05DWVR achieve high resolution and dynamic range?
- What safety certifications does the AMC1306M05DWVR comply with?
