REF35300YBHR

Overview

The REF35300YBHR is a nanopower, high-precision series voltage reference from the REF35 family. It provides a fixed 3.0V output with ±0.05% initial accuracy and a maximum temperature coefficient of 10ppm/°C over the -40°C to +85°C range. The device operates on an ultra-low quiescent current of 650nA (typical) and supports up to 10mA sourcing and 5mA sinking output current. It features low-frequency noise of 3.3ppm P-P (0.1Hz to 10Hz) and long-term stability of 40ppm at 1k hour. The component is housed in a compact 4-pin WCSP package.

Feature Summary

• Ultra-low power consumption with typical 650nA quiescent current for battery-operated applications
• High precision performance featuring ±0.05% initial accuracy and low thermal drift
• Integrated enable pin to reduce shutdown current consumption
• Noise reduction pin allows external capacitor connection for lower output noise

Applications

• Flow transmitters
• Blood glucose monitors
• Servo drive control modules
• Power quality analyzers
• Oscilloscopes

Procurement Notes

Verify that the specific ordering suffix YBHR corresponds to the 4-pin WCSP package variant rather than the standard SOT-23. Confirm the required output voltage matches the 3.0V specification for this part number. Ensure the application environment stays within the specified operating temperature range for the selected package type.

Selection Notes

Select this component when system design requires minimal footprint alongside high precision. The 4-pin WCSP package offers the smallest available form factor for the REF35 family. Consider the 10ppm/°C temperature coefficient limit if the operating range extends beyond 85°C, as specifications may differ at higher temperatures.

Part Context

This part belongs to the REF35 family of ultra-low-power, high-precision voltage references. The family includes various fixed output voltages ranging from 1.024V to 5.0V. The REF35300YBHR specifically denotes the 3.0V output version packaged in the space-saving 4-pin WCSP format.

Replacement Considerations

REF35300QDBVR is a verified substitute offering identical electrical specifications but utilizes a 6-pin SOT-23 package instead of the WCSP.