MCP3008‐ADC
2.7V 4-Channel/8-Channel 10-Bit A/D Converters with SPI Serial Interface
- 10-bit resolution
- ± 1 LSB max DNL
- ± 1 LSB max INL
- 4 (MCP3004) or 8 (MCP3008) input channels
- Analog inputs programmable as single-ended or pseudo-differential pairs
- On-chip sample and hold
- SPI serial interface (modes 0,0 and 1,1)
- Single supply operation: 2.7V - 5.5V
- 200 ksps max. sampling rate at VDD = 5V
- 75 ksps max. sampling rate at VDD = 2.7V
- Low power CMOS technology
- 5 nA typical standby current, 2 µA max.
- 500 µA max. active current at 5V
- Industrial temp range: -40°C to +85°C
- Available in PDIP, SOIC and TSSOP packages
- MCP3008 VDD -> 3.3V (red)
- MCP3008 VREF -> 3.3V (red)
- MCP3008 AGND -> GND (black)
- MCP3008 CLK -> SCLK (yellow)
- MCP3008 DOUT -> MISO (purple)
- MCP3008 DIN -> MOSI (white)
- MCP3008 CS -> #22 (green)
- MCP3008 DGND -> GND (black)
| SPI Bus (BMP820 – SPI) | | | | SPI SCLK (SCL) | SPI clock - MCP3008 CLK | GPIO12 | | SPI MOSI (SDA) | Master-out, slave-in MCP3008 DIN -> MOSI | GPIO11 | | SPI MISO (SDO) | Master-in, slave-out MCP3008 DOUT -> MISO | GPIO13 | | SPI CS (CS) | Chip select MCP3008 CS | GPIO17 |