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Product Detailed Parameters
- Description：IC VREF SERIES 0.4% 3DFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Current - Output：20 mA
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：3-WFDFN Exposed Pad
- Supplier Device Package：3-DFN (2x2)
- Grade：-
- Qualification：-
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Overview
The LT6660JCDC-3.3#TRMPBF is a micropower series voltage reference providing a fixed 3.3V output with ±0.4% initial accuracy and a maximum temperature coefficient of 20ppm/°C. It operates within an input voltage range of VOUT + 0.9V to 20V, drawing a typical supply current of 180µA. The device guarantees a 20mA output current and features reverse-battery protection. Packaged in a compact 3-lead 2mm × 2mm DFN, it requires no output compensation capacitor.
Feature Summary
- Curvature compensation and laser-trimmed resistors ensure high precision and low drift
- Eliminates the need for external output compensation capacitors
- Reverse-battery protection prevents reverse current conduction
Applications
- Handheld Instruments
- Precision Regulators
- A/D and D/A Converters
- Power Supplies
- Hard Disk Drives
- Sensor Modules
Procurement Notes
Verify the specific suffix #TRMPBF indicates tape and reel packaging with lead-free compliance. Confirm the JCDC designation corresponds to the required ±0.4% accuracy grade and 20ppm/°C temperature coefficient specifications. Ensure the 3.3V output voltage matches the system requirements before procurement.
Selection Notes
Select this component when space constraints necessitate a small DFN package while maintaining precision. It is suitable for applications requiring stable references without output capacitors. Consider the 180µA supply current for power-sensitive designs. Verify that the 20mA sourcing capability meets the load requirements.
Part Context
This part belongs to the LT6660 family of tiny micropower precision series references. It serves as a space-saving alternative to larger packages like the LT1460. The family utilizes curvature compensation technology to achieve low temperature coefficients across various fixed voltage options.
Replacement Considerations
LT6660HCDC-3.3#TRMPBF offers higher accuracy at ±0.2%. LT6660KCDC-3.3#TRMPBF provides lower accuracy at ±0.5%. Both share identical pinouts and electrical characteristics except for tolerance grades.
