MCP4726A3T-E/CH

Digital To Analog Converters Overview

The MCP4726A3T-E/CH is a single-channel, 12-bit buffered voltage output Digital-to-Analog Converter (DAC) manufactured by Microchip Technology. It features an I²C serial interface and integrated nonvolatile EEPROM for data retention. The device operates on a single supply voltage ranging from 2.7V to 5.5V. Key electrical parameters include a typical settling time of 6 µs, normal operation current of 210 µA, and power-down current of 60 nA. It supports Standard (100 kbps), Fast (400 kbps), and High-Speed (3.4 Mbps) I²C modes. The component is housed in a 6-lead SOT-23 package and is rated for an extended operating temperature range of -40°C to +125°C.

Digital To Analog Converters Feature Summary

• Integrated nonvolatile EEPROM allows automatic recall of DAC register settings and device configuration upon power-up.
• Configurable power-down modes enable significant current reduction by disconnecting the output buffer or selecting specific pull-down resistors.
• Supports flexible reference voltage selection between VDD and an external VREF pin, with selectable unity or 2x gain when using the external reference.

Digital To Analog Converters Applications

• Set point or offset trimming
• Sensor calibration
• Low-power portable instrumentation
• Data acquisition systems

Digital To Analog Converters Procurement Notes

Verify the ordering suffix 'A3T' corresponds to the specific tape-and-reel packaging and address configuration required for the design. Confirm that the 'E' suffix indicates compliance with RoHS standards and the 'CH' designation matches the intended SOT-23-6 package variant. Ensure the selected part number aligns with the specific I²C address requirements of the target system bus.

Digital To Analog Converters Selection Notes

Select this component when a single-channel, high-resolution analog output is required within a minimal footprint. The 12-bit resolution provides precise control suitable for calibration tasks. Consider the low power consumption profiles if battery-operated applications are involved. Verify that the I²C bus speed capabilities meet the system's communication timing constraints.

Digital To Analog Converters Part Context

This part belongs to the MCP47X6 family of digital-to-analog converters, which also includes the 8-bit MCP4706 and 10-bit MCP4716 variants. All members share identical pinouts, interfaces, and core functionalities, differing primarily in resolution. The A3T-E/CH designation specifies the 12-bit version with specific packaging and environmental ratings.

Digital To Analog Converters Replacement Considerations

Direct functional substitutes within the same family include MCP4726A0T-E/CH and MCP4726A2T-E/CH, which differ only in addressing or packaging suffixes. For multi-channel requirements, consider the MCP4728 series. Cross-family replacements require verification of pin compatibility and software driver adjustments due to potential interface differences.