LT1021DCS8-10#TRPBF

Voltage Reference Overview

The LT1021DCS8-10#TRPBF is a precision shunt voltage reference from Analog Devices, housed in an 8-pin SOIC package. It provides a fixed 10V output with an initial accuracy of ±0.05% and a temperature coefficient of 5 ppm/°C. The device operates within a supply voltage range of 11.5V to 40V and draws a maximum supply current of 2mA. It supports cathode currents between 1.1mA and 10mA, ensuring stable regulation. Noise performance is specified at 3µVp-p (0.1Hz to 10Hz) and 2.2µVrms (10Hz to 1kHz).

Voltage Reference Feature Summary

• Delivers ultra-low drift and noise characteristics for high-precision applications.
• Features extremely good long-term stability and immunity to input voltage variations.
• Output capable of sourcing and sinking up to 10mA for flexible circuit integration.

Voltage Reference Applications

• Voltage references for ultraprecise current sources
• Precision DAC voltage references
• High-resolution data acquisition systems

Voltage Reference Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when ordering. Confirm the manufacturer is Analog Devices Inc., formerly Linear Technology. Ensure the component matches the 8-pin SOIC physical dimensions and pinout requirements of your design. Check for RoHS compliance status as per the latest datasheet revision.

Voltage Reference Selection Notes

Select this component for designs requiring a stable 10V reference with minimal thermal drift. The low noise profile makes it suitable for sensitive analog front ends. Consider the 5 ppm/°C temperature coefficient against environmental operating ranges. Verify that the 1.1mA minimum cathode current requirement can be met by the bias network.

Voltage Reference Part Context

This part belongs to the LT1021 series of buried zener voltage references. The series is known for superior performance compared to standard bandgap references. The LT1021 family offers various output voltages and packages, including DIP and SOIC options, catering to diverse industrial and scientific instrumentation needs.

Voltage Reference Replacement Considerations

LT1021DCN8-10#PBF (DIP variant)

Voltage Reference FAQ

What is the maximum cathode current for the LT1021DCS8-10?

The maximum cathode current is 10 mA, allowing the reference to source or sink this amount of current while maintaining regulation.

Does the LT1021 have a shutdown feature?

No, the LT1021 does not include a shutdown pin; it operates continuously once powered within the specified voltage range.