LT1004CPW-1-2

Voltage Reference Overview

The LT1004CPW-1-2 is a micropower integrated precision voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 1.235 V with an initial accuracy of ±0.2%. The device operates within a temperature range of -40°C to +85°C and features a maximum shunt current of 20 mA. It utilizes a TSSOP-8 surface-mount package and exhibits a temperature coefficient of 20 ppm/°C.

Voltage Reference Feature Summary

• Micropower integrated precision voltage reference
• Fixed 1.235 V output with high initial accuracy
• Low dynamic impedance for stable performance

Voltage Reference Applications

• A/D and D/A converter references
• Reference for 5V systems
• Digital voltmeters

Voltage Reference Procurement Notes

Verify the specific suffix 'CPW' corresponds to the commercial temperature grade (-40°C to +85°C) and TSSOP-8 package configuration. Confirm that the '-1-2' designation aligns with the 1.235 V output requirement. Ensure compatibility with existing PCB footprints for the TSSOP-8 form factor before procurement.

Voltage Reference Selection Notes

Select this component when a low-cost, micropower shunt reference is required for applications needing a stable 1.235 V source. It is suitable for designs prioritizing low operating current and moderate precision over ultra-high accuracy or wide industrial temperature ranges.

Voltage Reference Part Context

This part belongs to the LT1004 series of micropower integrated voltage references. It serves as a direct replacement for legacy parts like the LM1004 and AS1004. The series is designed for general-purpose precision applications requiring low power consumption and compact packaging.

Voltage Reference Replacement Considerations

LT1004CDR-1-2

Voltage Reference FAQ

What is the maximum shunt current for the LT1004CPW-1-2?

The maximum shunt current is 20 mA.

Does the LT1004CPW-1-2 support lead-free packaging?

Yes, the device is available in lead-free packaging compliant with RoHS standards.