LT1004CD-2-5

Voltage Reference Overview

The LT1004CD-2.5 is a micropower integrated voltage reference manufactured by Texas Instruments, belonging to the LT1004 series. It provides a fixed output voltage of 2.5 V with an initial accuracy of 0.8%. The device features a temperature coefficient of 20 ppm/°C and supports a maximum shunt current of 20 mA. It operates within a temperature range of -40°C to +85°C and is housed in an SOIC-8 surface-mount package.

Voltage Reference Feature Summary

• Micropower integrated design for low power consumption
• Shunt reference topology for stable voltage regulation
• High precision with 0.8% initial accuracy
• Low temperature drift of 20 ppm/°C

Voltage Reference Applications

• Portable instrumentation requiring low power supply
• Battery-powered measurement systems
• Data acquisition systems needing precise voltage references
• Calibration equipment for sensor interfaces

Voltage Reference Procurement Notes

Verify the specific suffix (e.g., CD) against the manufacturer's datasheet to confirm package type and operating temperature range. Ensure the ordering code matches the required tolerance and thermal specifications for your application environment. Cross-reference with official TI documentation to validate pinout compatibility and electrical characteristics before integration.

Voltage Reference Selection Notes

Select this component when a fixed 2.5 V reference with moderate precision (0.8%) is required. It is suitable for applications where power consumption must be minimized but high stability is not critical compared to higher-end series. Consider the SOIC-8 package for surface-mount assembly constraints and verify that the 20 ppm/°C drift meets system accuracy requirements over the specified industrial temperature range.

Voltage Reference Part Context

The LT1004 series represents Texas Instruments' line of micropower voltage references, designed to offer a balance between performance and power efficiency. These devices are commonly used as reference sources in analog-to-digital converter circuits and sensor signal conditioning stages. The LT1004CD variant specifically denotes the commercial grade version in an SOIC-8 package, distinguishing it from military or extended temperature variants.

Voltage Reference Replacement Considerations

LT1004CDRG4-2.5: Reel-packaged equivalent with identical electrical specifications. LM285-2.5: Alternative shunt reference with similar voltage output but potentially different accuracy and current characteristics. REF1004I-2.5: Higher precision alternative with tighter initial accuracy tolerances.