LT1021CIN8-10#PBF

Voltage Reference Overview

The LT1021CIN8-10#PBF is a precision buried zener voltage reference manufactured by Analog Devices Inc. It provides a fixed output of 10V with an initial accuracy of ±0.05% and a temperature coefficient of 5ppm/°C. The device operates within an input voltage range of 11.5V to 40V, drawing a supply current of 2mA. It supports a maximum cathode current of 10mA and functions in temperatures from -40°C to +85°C. Noise performance is specified at 3µVp-p (0.1Hz to 10Hz) and 2.2µVrms (10Hz to 1kHz). It is housed in an 8-PDIP package.

Voltage Reference Feature Summary

• Ultra-low drift and noise characteristics for high-precision applications
• Extremely good long-term stability ensuring consistent performance over time
• Total immunity to input voltage variations for reliable regulation

Voltage Reference Applications

• Ultraprecise current sources requiring stable reference voltages
• High-resolution data acquisition systems demanding low noise
• Precision instrumentation amplifiers needing accurate references

Voltage Reference Procurement Notes

Verify the specific suffix 'C' indicates commercial temperature grade (-40°C to +85°C) versus industrial or military variants. Confirm the 'IN8' designation corresponds to the PDIP-8 package style required for your PCB layout. Ensure RoHS3 compliance matches environmental regulations for your target market. Cross-reference the manufacturer part number with distributor listings to confirm active status and availability constraints.

Voltage Reference Selection Notes

Select this component when ultra-low drift and noise are critical requirements. The 10V output suits applications where higher reference levels reduce relative error. Consider the 8-PDIP package for through-hole assembly needs. Evaluate the 5ppm/°C temperature coefficient against thermal environment conditions. Compare power consumption and input voltage headroom requirements with system specifications before finalizing the design choice.

Voltage Reference Part Context

This part belongs to the LT1021 series of precision voltage references known for superior stability. The LT1021 family utilizes buried zener technology to achieve low noise and drift. Variants differ primarily in output voltage, accuracy grades, and temperature ranges. This specific model represents a commercial-grade version with standard packaging options suitable for general-purpose high-precision analog circuits.

Voltage Reference Replacement Considerations

LT1021DIN8-10#PBF offers similar functionality but with lower initial accuracy (±0.5%). LT1021CCN8-10#PBF shares identical electrical specs but may have different packaging or lead form factors. Verify pinout compatibility and thermal performance when substituting.