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| PartNumber | MCP3221A0T-E/OT | MCP3221A1T-E/OT | MCP3221A1T-I/OT |
| Description | Analog to Digital Converters - ADC 12-bit ADC I2C Single Channel | Analog to Digital Converters - ADC 12-bit ADC, I2C, single channel | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | Analog to Digital Converters - ADC | Analog to Digital Converters - ADC | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOT-23-5 | SOT-23-5 | - |
| Resolution | 12 bit | 12 bit | - |
| Number of Channels | 1 Channel | 1 Channel | - |
| Sampling Rate | 22.3 kS/s | 22.3 kS/s | - |
| Input Type | Single-Ended | Single-Ended | - |
| Interface Type | I2C | I2C | - |
| Architecture | SAR | SAR | - |
| SNR Signal to Noise Ratio | 72 dB | - | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Packaging | Reel | Reel | - |
| Number of Converters | 1 Converter | - | - |
| Brand | Microchip Technology | Microchip Technology | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 5 V | - |
| Product Type | ADCs - Analog to Digital Converters | ADCs - Analog to Digital Converters | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | Data Converter ICs | Data Converter ICs | - |
| Unit Weight | 0.000222 oz | 0.000222 oz | - |
| Reference Voltage | - | 2.7 V to 5.5 V | - |