MCP3221A3T-E/OT

Number of A/D Converters:	1
Base Part Number:	MCP3221
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Voltage - Supply, Analog:	2.7 V ~ 5.5 V
Reference Type:	Supply
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	I²C
Input Type:	Single Ended
Number of Inputs:	1
Sampling Rate (Per Second):	22.3k
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The MCP3221A3T-E/OT is one of the many data acquisition - analog-to-digital converters (ADC) available in the market. This particular device is designed for battery-powered and low-power sensor applications, such as handheld medical and industrial devices.The MCP3221A3T-E/OT is based on a 12-bit successive approximation register (SAR) architecture. This microcontroller-based ADC uses a 5-channel differential input configuration to measure and convert the analog input signals into digital values.The MCP3221A3T-E/OT is able to measure an input voltage range of ±2.7V to ±32V, and also features an on-chip self-calibration mode that can be used to eliminate errors due to temperature and reference voltage drift.The on-chip self-calibration feature is enabled via the serial peripheral interface (SPI) communication interface. To use it, the user must first write a specific value and an appropriate calibration function to the calibration register. The device then calibrates itself using the stored calibration data.In addition to the self-calibration feature, the MCP3221A3T-E/OT also features an on-board temperature compensation unit (TCU). This TCU allows the device to automatically compensate for temperature-induced errors by monitoring the ambient temperature and adjusting the ADC’s parameters accordingly.The high accuracy and low power consumption of the MCP3221A3T-E/OT make it ideal for battery-powered sensor applications and other low-power systems. Its wide input voltage range and advanced calibration features also allow it to be used in a variety of industrial and medical applications.The MCP3221A3T-E/OT is a versatile ADC capable of accurately measuring and transferring 12-bit analog input signals into digital form. It features an on-chip self-calibration mode, an on-board temperature compensation unit and an input range of ±2.7V to ±32V. The MCP3221A3T-E/OT is an ideal device for a wide range of battery-powered and low-power applications.

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