MCP3208 (12-Bit Analog To Digital Converters )


MCP3208 (12-Bit Analog To Digital Converters )


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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.


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


Sensor Interface

Process Control

Data Acquisition

Battery Operated Systems


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