Microchip的SAR（逐次逼近寄存器）ADC产品有多种产品，适用于各种低功耗应用。依托高级CMOS架构和创新设计，这些器件转换时的工作电流可低至175uA。MCP30XX、MCP32XX和MCP33XX系列的分辨率为10-13位，采样速度为22ksps至200ksps，具备多条输入通道及I2C或SPI接口。
| Product | Resoluti | Max Samp | # of Inp | Input Ty | Interface | Input Vo | Max. Sup | Max. INL | Temp Ran | Packages |
| MCP3001 | 10 | 200 | 1 | Single-e | SPI | 2.7 - 5.5 | 500 | 1 | -40 to + | 8/PDIP， 8/SOIC 150mil， 8/TSSOP |
| MCP3002 | 10 | 200 | 2 | Single-e | SPI | 2.7 - 5.5 | 650 | 1 | -40 to + | 8/PDIP， 8/SOIC 150mil， 8/TSSOP |
| MCP3004 | 10 | 200 | 4 | Single-e | SPI | 2.7 - 5.5 | 550 | 1 | -40 to + | 14/PDIP， 14/SOIC 150mil， 14/TSSOP |
| MCP3008 | 10 | 200 | 8 | Single-e | SPI | 2.7 - 5.5 | 550 | 1 | -40 to + | 16/PDIP， 16/SOIC 150mil |
| MCP3021 | 10 | 22 | 1 | Single-e | I²C Comp | 2.7 - 5.5 | 250 | 1 | -40 to + | 5/SOT-23 |
| MCP3201 | 12 | 100 | 1 | Single-e | SPI | 2.7 - 5.5 | 400 | 1 | -40 to + | 8/MSOP， 8/PDIP， 8/SOIC 150mil， 8/TSSOP |
| MCP3202 | 12 | 100 | 2 | Single-e | SPI | 2.7 - 5.5 | 550 | 1 | -40 to + | 8/MSOP， 8/PDIP， 8/SOIC 150mil， 8/TSSOP |
| MCP3204 | 12 | 100 | 4 | Single-e | SPI | 2.7 - 5.5 | 400 | 1 | -40 to + | 14/PDIP， 14/SOIC 150mil， 14/TSSOP |
| MCP3208 | 12 | 100 | 8 | Single-e | SPI | 2.7 - 5.5 | 400 | 1 | -40 to + | 16/PDIP， 16/SOIC 150mil |
| MCP3221 | 12 | 22 | 1 | Single-e | I²C Comp | 2.7 - 5.5 | 250 | 2 | -40 to + | 5/SOT-23 |
| Product | Resoluti | Max Samp | # of Inp | Input Ty | Interface | Input Vo | Max. Sup | Max. INL | Temp Ran | Packages |
| MCP3301 | 13 | 100 | 1 | 1 Differential | SPI | 2.7 - 5.5 | 450 | 1 | -40 to + | 8/MSOP， 8/PDIP， 8/SOIC 150mil |
| MCP3302 | 13 | 100 | 2 | 1 Differential | SPI | 2.7 - 5.5 | 450 | 1 | -40 to + | 14/PDIP， 14/SOIC 150mil， 14/TSSOP |
| MCP3304 | 13 | 100 | 4 | 1 Differential | SPI | 2.7 - 5.5 | 450 | 1 | -40 to + | 16/PDIP， 16/SOIC 150mil |