Key facts
- Brand
- MICROCHIP
- Model
- MCP3905/06
- Category
- Other device
- Industry
- Electronics
- Documents
- 2
- Languages
- ZH
- Last added
- 2026-09-30
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Microchip MCP3905/06 Energy Metering IC Datasheet
The MCP3905/06 is a dual‑channel energy‑metering IC from Microchip that provides active‑power measurement for single‑phase residential meters. It features two 16‑bit Σ‑Δ ADCs, programmable gain amplifiers, and both frequency and high‑frequency outputs for calibration.
The document includes electrical characteristics, pin descriptions, typical performance curves, and ordering information. It also outlines application notes such as reference‑voltage usage, high‑pass filter control, and negative‑power detection. This manual is written in Chinese.
Microchip MCP3905/06 specifications
| Supply voltage (VDD) | 4.5 V – 7.0 V |
|---|---|
| Analog/Digital supply (AVDD, DVDD) | 4.5 V – 5.5 V |
| ADC count | 2 × 16‑bit Σ‑Δ ADC |
| PGA gain options | -16:1 (MCP3905) / -32:1 (MCP3906) |
| Operating temperature range | -40 °C to +85 °C |
| IDD (typical) | 4 mA |
All Microchip MCP3905/06 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the typical supply voltage range for the MCP3905/06?
The device operates with AVDD and DVDD between 4.5 V and 5.5 V (VDD up to 7.0 V).
How many ADCs does the MCP3905/06 contain?
It contains two 16‑bit Σ‑Δ ADCs, one per measurement channel.