Analog Devices Inc.

LT6660KCDC-3

LT6660KCDC-3 Description

The LT6660KCDC-3 is a precision voltage reference IC designed by Analog Devices Inc., featuring a fixed output voltage of 3V with a tight tolerance of ±0.5%. This device is ideal for applications requiring high accuracy and stability in voltage reference circuits. The LT6660KCDC-3 operates within an input voltage range of 3.9V to 20V, ensuring compatibility with a wide range of power supply configurations.

LT6660KCDC-3 Features

• Operating Temperature Range: The LT6660KCDC-3 is specified to operate reliably within a temperature range of 0°C to 70°C, making it suitable for a variety of industrial and commercial applications.
• Output Type: The device offers a fixed output voltage of 3V, providing a stable reference for precision analog circuits.
• Low Tolerance: With a tolerance of ±0.5%, the LT6660KCDC-3 ensures high accuracy in voltage reference applications.
• Low Noise: The noise level of the LT6660KCDC-3 is exceptionally low, at 4ppmrms from 10Hz to 10kHz, minimizing the impact of noise on sensitive analog circuits.
• Low Temperature Coefficient: The temperature coefficient of 50ppm/°C ensures minimal drift over the operating temperature range, enhancing the stability of the reference voltage.
• Low Supply Current: The LT6660KCDC-3 draws a low supply current of 220µA, making it energy-efficient and suitable for low-power applications.
• Surface Mount Package: The device is available in a surface mount package, facilitating easy integration into compact and high-density PCB designs.
• High Output Current Capability: The LT6660KCDC-3 can deliver up to 20mA of output current, supporting a wide range of load conditions.
• Moisture Sensitivity Level (MSL): The MSL rating of 1 (Unlimited) indicates that the device is not sensitive to moisture, simplifying handling and storage requirements.

LT6660KCDC-3 Applications

The LT6660KCDC-3 is well-suited for a variety of applications where precision voltage references are critical. These include:

• Analog-to-Digital Converters (ADCs): The high accuracy and low noise characteristics of the LT6660KCDC-3 make it an ideal reference for ADCs, ensuring precise and reliable conversion of analog signals to digital data.
• Digital-to-Analog Converters (DACs): The stable reference voltage provided by the LT6660KCDC-3 helps maintain the accuracy of DACs, enabling precise control of analog outputs.
• Precision Measurement Equipment: The low temperature coefficient and low noise of the LT6660KCDC-3 are beneficial in precision measurement instruments, where accurate and stable voltage references are essential.
• Power Supply Circuits: The LT6660KCDC-3 can be used as a reference in power supply circuits to ensure stable and accurate voltage regulation.
• Signal Conditioning Circuits: The device's high accuracy and low noise make it suitable for signal conditioning applications, where maintaining signal integrity is crucial.

Conclusion of LT6660KCDC-3

The LT6660KCDC-3 is a high-performance voltage reference IC that offers a combination of precision, stability, and low noise, making it an excellent choice for a wide range of precision analog applications. Its low temperature coefficient, low supply current, and high output current capability further enhance its versatility and reliability. Despite being marked as obsolete, the LT6660KCDC-3 remains a valuable component for engineers and designers seeking a dependable and precise voltage reference solution.