LT1004IS8-1.2#PBF

Voltage Reference Overview

The LT1004IS8-1.2#PBF is a micropower shunt voltage reference manufactured by Analog Devices Inc., housed in an 8-SOIC package. It provides a fixed output voltage of 1.23V with an initial accuracy tolerance of ±0.3%. The device operates within a temperature range of -40°C to 85°C and features a standard temperature coefficient of 20ppm/°C. Electrical characteristics include a noise level of 60µVrms from 10Hz to 10kHz, a cathode current of 10µA, and a maximum output current capability of 20mA.

Voltage Reference Feature Summary

• Two-terminal bandgap reference diode designed for high accuracy at low operating currents
• Pin-for-pin replacement for LM185/LM385 series references with improved accuracy specifications
• Very low dynamic impedance suitable for portable meter references and battery-operated systems

Voltage Reference Applications

• Portable meter references
• Portable test instruments
• Battery-operated systems
• Current loop instrumentation

Voltage Reference Procurement Notes

Verify the specific suffix IS8-1.2#PBF against official documentation to confirm the 8-SOIC package, -40°C to 85°C temperature range, and 1.2V nominal voltage. Ensure compatibility with existing circuit designs requiring shunt reference topology. Confirm RoHS compliance status through manufacturer declarations before integration into final products.

Voltage Reference Selection Notes

Select this component when a two-terminal shunt reference is required with guaranteed initial accuracy and low power consumption. It serves as a direct upgrade for legacy LM185/LM385 applications needing tighter tolerance without increased power draw. Suitable for designs where space constraints favor surface mount packaging while maintaining precision requirements.

Voltage Reference Part Context

Part of the LT1004 family of micropower voltage references offering various voltage options and packages. Designed to provide high accuracy and excellent temperature characteristics previously attainable only with selected units. Optimized through key parameter design, processing, and testing to ensure consistent performance across production lots.

Voltage Reference Replacement Considerations

LT1004CS8-1.2#PBF (Commercial grade, 0°C to 70°C)

Voltage Reference FAQ

Is the LT1004IS8-1.2#PBF a pin-compatible replacement for the LM185?

Yes, the LT1004 is designed as a pin-for-pin replacement for the LM185/LM385 series of references.

What is the minimum operating current for this device?

The device guarantees operation down to a minimum current of 10µA.