Produktbeskrivning
The Microchip Technology Inc. MCP3204/3208
devices are successive approximation 12-bit Analogt o-Digital (A/D) Converters with on-board sample and
hold circuitry. The MCP3204 is programmable to provide two pseudo-differential input pairs or four singleended inputs. The MCP3208 is programmable to provide four pseudo-differential input pairs or eight singleended inputs. Differential Nonlinearity (DNL) is specified at ±1 LSB, while Integral Nonlinearity (INL) is
offered in ±1 LSB (MCP3204/3208-B) and ±2 LSB
(MCP3204/3208-C) versions.
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 100 ksps. The MCP3204/3208 devices operate over
a broad voltage range (2.7V - 5.5V). Low current design permits operation with typical standby and active currents of only 500 nA and 320 µA, respectively.
Features
* 12-bit resolution
* ± 1 LSB max DNL
* ± 1 LSB max INL (MCP3204/3208-B)
* ± 2 LSB max INL (MCP3204/3208-C)
* 4 (MCP3204) or 8 (MCP3208) 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
* 100 ksps max. sampling rate at VDD = 5V
* 50 ksps max. sampling rate at VDD = 2.7V
* Low power CMOS technology:
- 500 nA typical standby current, 2 µA max.
- 400 µA max. active current at 5V
* Industrial temp range: -40°C to +85°C * Available in PDIP, SOIC and TSSOP packages
Applications
* Sensor Interface
* Process Control
* Data Acquisition
* Battery Operated Systems
devices are successive approximation 12-bit Analogt o-Digital (A/D) Converters with on-board sample and
hold circuitry. The MCP3204 is programmable to provide two pseudo-differential input pairs or four singleended inputs. The MCP3208 is programmable to provide four pseudo-differential input pairs or eight singleended inputs. Differential Nonlinearity (DNL) is specified at ±1 LSB, while Integral Nonlinearity (INL) is
offered in ±1 LSB (MCP3204/3208-B) and ±2 LSB
(MCP3204/3208-C) versions.
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 100 ksps. The MCP3204/3208 devices operate over
a broad voltage range (2.7V - 5.5V). Low current design permits operation with typical standby and active currents of only 500 nA and 320 µA, respectively.
Features
* 12-bit resolution
* ± 1 LSB max DNL
* ± 1 LSB max INL (MCP3204/3208-B)
* ± 2 LSB max INL (MCP3204/3208-C)
* 4 (MCP3204) or 8 (MCP3208) 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
* 100 ksps max. sampling rate at VDD = 5V
* 50 ksps max. sampling rate at VDD = 2.7V
* Low power CMOS technology:
- 500 nA typical standby current, 2 µA max.
- 400 µA max. active current at 5V
* Industrial temp range: -40°C to +85°C * Available in PDIP, SOIC and TSSOP packages
Applications
* Sensor Interface
* Process Control
* Data Acquisition
* Battery Operated Systems