MCP3008 8-Channel 10-Bit ADC with SPI Interface
Popular 8-channel 10-bit analog-to-digital converter (ADC) with SPI serial interface, 200 ksps sampling rate at 5V, and programmable pseudo-differential inputs.
Aliase:MCP3008-I/P, MCP3008-I/SL, 10-Bit SPI ADC
DIP-16 Top View
16 Pins
Pinout Table16
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | CH0 | Analog | Analog Input Channel 0 |
| 2 | CH1 | Analog | Analog Input Channel 1 |
| 3 | CH2 | Analog | Analog Input Channel 2 |
| 4 | CH3 | Analog | Analog Input Channel 3 |
| 5 | CH4 | Analog | Analog Input Channel 4 |
| 6 | CH5 | Analog | Analog Input Channel 5 |
| 7 | CH6 | Analog | Analog Input Channel 6 |
| 8 | CH7 | Analog | Analog Input Channel 7 |
| 9 | DGND | Ground | Digital Ground (0V) |
| 10 | ~CS/SHDN | Digital | Chip SelectShutdown (Active Low) |
| 11 | DIN | Digital | SPI Serial Data In (MOSI) |
| 12 | DOUT | Digital | SPI Serial Data Out (MISO) |
| 13 | CLK | Digital | SPI Serial Clock |
| 14 | AGND | Ground | Analog Ground Reference |
| 15 | VREF | Power | Analog Reference Voltage (2.7V to VDD) — sets full-scale input range; tie to VDD for 0–VDD range; decouple with 100nF to AGND |
| 16 | VDD | Power | Positive Power Supply (2.7V to 5.5V) |