MCP3202T-CI/MS

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Data Acquisition - Analog to Digital Converters (ADC) - MCP3202T-CI/MS application field and working principle

The MCP3202T-CI/MS is an analog-to-digital converter manufactured by Microchip Technologies, Inc. It is a 12-bit successive approximation converter and is designed, using Flash memory technology, to eliminate lengthy hardware development. It is suited for low power applications and is available in a wide range of packages and pin configurations. The converter features a wide power supply range from 2V to 5.5V, and includes a digital control logic for easy sequencing. It is ideal for industrial and consumer applications, including digital power meters, remote sensors, medical imaging equipment, and automotive and battery-powered systems.

The input impedance of the MCP3202T-CI/MS is 10kΩ. It accepts a negative voltage of -0.3V to a positive voltage of VREF. The device has a sampling rate of 28 ksps with a 12-bit resolution and a conversion rate of 1 MHz. The converted digital data can be read using a standard serial interface and the resulting data is provided in three parts, including a 4-bit status information, 8-bit data words and 4-bit control signals.

The MCP3202T-CI/MS operates in a 3-wire serial mode. This mode consists of an enable signal (EN), a serial input (SI) and a serial output (SO). The EN pin must be held high before the conversion process can begin. The SI pin is used to transmit the command information to the converter. The SO pin provides the serial data output from the converter. The clock for the serial data transfer is provided by the external system via the SI pin which internally generates the clock.

The MCP3202T-CI/MS supports a programmable level of output range, allowing the user to set a wide range of output voltages from 0.00V to VREF. It also features a programmable gain input offset adjustment, allowing the user to precisely adjust the input level for optimum performance. It also includes a programmable input bias current adjustment which allows the user to fine tune the input circuit for optimum results.

The MCP3202T-CI/MS also has an auto-zero architecture which ensures the best performance over a wide temperature range and input signals. It also supports a four-wire interface which enables direct connection of the device to a processor. The device also supports a two-point calibration mode which enables the accurate scaling of the input signal to the output range.

The MCP3202T-CI/MS is an extremely low power device, consuming 120μA of average power. It comes in the SOIC best-in-class package and is available in a range of temperature grades, including 0°C to +70°C and -40°C to +85°C. It is RoHS compliant and meets the stringent requirements of the automotive and medical markets.

In summary, the MCP3202T-CI/MS is a 12-bit analog-to-digital converter designed using Flash memory technology. It has a wide power supply range, high input impedance and offers excellent performance over a wide range of temperatures. Its small footprint and low power consumption makes it ideal for a variety of industrial, consumer and automotive applications.

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