The Microchip Technology Inc. MCP3008 devices are successive approximation 10-bit Analogto-Digital (A/D) converters with on-board sample and hold circuitry. The MCP3008 is programmable to provide four pseudo-differential input pairs or eight single-ended inputs. Differential Non linearity (DNL) and Integral Non linearity (INL) are specified at ±1 LSB. Communication with the devices is accomplished using a simple serial interface compatible with the SPI protocol. The devices are capable of conversion rates of up to 200 ksps. The MCP3008 devices operate over a broad voltage range (2.7V – 5.5V). Low-current design permits operation with typical standby currents of only 5 nA and typical active currents of 320 µA. The MCP3008 is offered in 16- pin PDIP and SOIC packages.
Features:-
• 10-bit resolution
• ± 1 LSB max DNL
• ± 1 LSB max INL
• 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
Specifications:-
| Parameters | Specification |
| VDD | 7.0V |
| All Inputs and Outputs w.r.t. VSS | – 0.6V to VDD + 0.6V |
| Storage Temperature | –65°C to +150°C |
| Ambient temperature with power applied | –65°C to +150°C |
| Soldering temperature of leads (10 seconds) | +300°C |
| ESD Protection On All Pins (HBM) | ≥ 4 kV |
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