MCP1501T-33E/RW

Overview

The MCP1501T-33E/RW is a buffered voltage reference from Microchip Technology, providing a fixed output of 3.3 V with an initial accuracy of ±0.1%. It operates within a supply voltage range of 3.5 V to 5.5 V and maintains a maximum temperature coefficient of 50 ppm/°C across the -40°C to +125°C operating range. The device features a typical operating current of 140 μA and can source or sink up to 20 mA of load current. It is housed in an 8-WDFN (2x2) package.

Feature Summary

• Utilizes a low-drift band gap architecture with chopper-based amplifiers to minimize drift and offset errors.
• Capable of sourcing and sinking 20 mA of current for driving high-current loads directly.
• Includes a dedicated shutdown pin for digital control of power consumption.

Applications

• Precision data acquisition systems
• High-resolution data converters
• Medical equipment applications

Procurement Notes

Verify that the specific suffix 'RW' corresponds to the WDFN-8 tape and reel packaging configuration as indicated by distributor listings. Confirm the component meets RoHS standards and ensure the input voltage remains above the minimum threshold of 3.5 V for proper regulation. Check for moisture sensitivity levels if storage conditions are not controlled.

Selection Notes

Select this part when a stable 3.3 V reference with moderate drive capability is required. The WDFN-8 package offers a compact footprint suitable for space-constrained designs. Ensure the application does not require automotive qualification, as the datasheet specifies AEC-Q100 qualification only for the SOT-23 package variant.

Part Context

This component belongs to the MCP1501 family of high-precision buffered voltage references. The family includes various output voltage options ranging from 1.024 V to 5.000 V. While other packages like SOIC-8 and SOT-23-6 are available, the T-33E/RW designation specifically identifies the 3.3 V version in the 8-lead WDFN format.

Replacement Considerations

MCP1501T-33E/SN

FAQ

Is the MCP1501T-33E/RW AEC-Q100 qualified?

No, the datasheet specifies that AEC-Q100 automotive qualification applies only to the 6-Lead SOT-23 package.

What is the function of the FEEDBACK pin on the WDFN package?

The FEEDBACK pin should be connected to the OUT pin at the device to close the loop for the buffer amplifier.