LT6660JCDC-2.5

Overview

The LT6660JCDC-2.5 is a micropower series voltage reference from Analog Devices, housed in a compact 3-lead 2mm × 2mm × 0.75mm DFN package. It delivers a fixed output voltage of 2.5V with an initial accuracy tolerance of ±0.4%. The device features a maximum temperature coefficient of 20ppm/°C and supports up to 20mA of output current. Supply current ranges from 115µA to 175µA, and it operates within an input voltage range of VOUT + 0.9V to 20V.

Feature Summary

• Curvature compensation combined with laser-trimmed thin-film resistors ensures high precision and low drift.
• Eliminates the need for an output compensation capacitor, reducing board space requirements.
• Integrated reverse-battery protection prevents reverse current conduction.
• Low IR reflow induced stress minimizes output voltage shifts during assembly.

Applications

• Handheld Instruments
• Precision Regulators
• A/D and D/A Converters
• Power Supplies
• Hard Disk Drives

Procurement Notes

Verify the specific suffix 'JCDC' confirms the 0°C to 70°C operating range and ±0.4% accuracy grade. Confirm RoHS compliance status as indicated on the datasheet or ordering information. Ensure the package type matches the required 3-lead DFN footprint for PCB layout compatibility.

Selection Notes

Select this part when a balance of moderate accuracy (±0.4%) and low power consumption is required in a minimal footprint. It serves as a space-saving alternative to larger packages like the LT1460. Consider the 20ppm/°C drift specification against application thermal stability needs.

Part Context

This component belongs to the LT6660 family of tiny micropower precision series references. The family offers various voltage options including 2.5V, 3V, 3.3V, 5V, and 10V. Different suffixes denote accuracy grades: HC (0.2%), JC (0.4%), and KC (0.5%). All share the same 2mm x 2mm DFN form factor.

Replacement Considerations

LT6660HCDC-2.5 offers higher accuracy at ±0.2%. LT6660KCDC-2.5 provides lower accuracy at ±0.5%. For pin-compatible alternatives with different specifications, consider the LT1460 series.