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MCP3911 Two-Channel Analog Front End
Microchip's 2.7 V to 3.6 V dual-channel AFE with two synchronous sampling ΔΣ ADCs
Microchip's MCP3911 features two 24-bit, ΔΣ ADCs that operate at 3 V with industry-leading accuracy of 94.5 dB SINAD and -106.5 dB THD. This provides better energy-meter and power-monitoring performance by accurately measuring from start-up to maximum current, and enables faster calibration during production. Four different power modes offer the flexibility of enabling either extremely low-power designs, as low as 0.8 mA per channel, or designs with higher-speed signals and harmonic content. The extended temperature range allows operation from -40°C to +125°C.
Features
- Two synchronous sampling 16- and 24-bit resolution ΔΣ A/D converters
- 94.5 dB SINAD, -106.5 dBc total harmonic distortion (THD) (up to 35th harmonic), 111 dB SFDR for each channel
- 2.7 V to 3.6 V AVDD, DVDD
Applications
- Energy metering and power measurement
- Automotive
- Portable instrumentation
- Medical and power monitoring
- Audio / voice recognition
Two Channel Analog Front End
| Image | Manufacturer Part Number | Description | Available Quantity | Price | ||
|---|---|---|---|---|---|---|
 |  | MCP3911A0-E/SS | IC AFE 2 CHAN 24BIT 20SSOP | 128 - Immediate | $2.39 | View Details |
|  | MCP3911A0-E/ML | IC AFE 2 CHAN 24BIT 20QFN | 182 - Immediate | $2.42 | View Details |
Published: 2012-06-29
Austria