MCP1501T-40E/SN

Overview

The MCP1501T-40E/SN is a buffered voltage reference from Microchip Technology, providing a fixed output of 4.096 V with an initial accuracy of ±0.1%. It operates within a supply voltage range of 4.3 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. It is housed in an 8-lead SOIC package.

Feature Summary

• Capable of sourcing and sinking 20 mA of load current for high-drive applications
• Utilizes chopper-based amplifiers to minimize drift and offset errors
• Includes a digital shutdown pin for low-power management
• Features separate OUT and FEEDBACK pins to compensate for PCB trace resistance

Applications

• Precision data acquisition systems
• High-resolution analog-to-digital converter references
• Industrial control systems
• Medical equipment requiring stable voltage sources

Procurement Notes

Verify the specific suffix 'SN' corresponds to the 8-lead SOIC package configuration. Confirm that the 'T' designation indicates tape-and-reel packaging suitable for automated assembly processes. Ensure the 'E' grade matches the required initial accuracy specifications for your design constraints before finalizing procurement orders.

Selection Notes

Select this component when a 4.096 V reference is required with high drive capability. The 8-lead SOIC package offers distinct feedback and output pins, allowing designers to route traces separately to eliminate IR-drop errors caused by board resistance. This feature is critical for maintaining precision under varying load conditions compared to packages with internal feedback connections.

Part Context

This part belongs to the MCP1501 family of high-precision buffered voltage references. While other variants in the series offer different output voltages such as 2.5 V or 3.3 V, the MCP1501-40 specifically provides 4.096 V. The T-variant denotes reel packaging, whereas non-T versions typically use tube packaging for manual handling.

Replacement Considerations

Direct substitutes include other MCP1501-40 variants with different packaging, such as MCP1501-40E/SN (tube) or MCP1501-40E/CHY (SOT-23). For automotive applications, verify if AEC-Q100 qualified SOT-23 packages are preferred over the standard SOIC option.