Product Overview: LM3311SQX/NOPB

The LM3311SQX/NOPB is a precision voltage-to-frequency converter from Texas Instruments, designed for a wide array of applications requiring a reliable and accurate conversion of voltage into frequency. This integrated circuit is particularly suitable for use in simple low-cost circuits for analog-to-digital conversion, long-term integration, linear frequency modulation or demodulation, and many other functions.

Key Features

• Accuracy: The LM3311SQX/NOPB offers high precision with a guaranteed linearity error of less than 0.01% at 10 kHz and a temperature stability of ±50 ppm/°C, ensuring reliable performance across a range of conditions.
• Wide Frequency Range: It is capable of producing a frequency range from 1 Hz to 100 kHz, making it versatile for various applications.
• Low Power: The device operates on a single supply of 4V to 40V or dual supplies of ±2V to ±20V, while consuming very low power, which is ideal for battery-powered devices.
• Adjustable: The output frequency is directly proportional to the input voltage, and it can be adjusted through external timing components (resistor and capacitor).

Applications

The LM3311SQX/NOPB is widely used in applications such as:

• Motor speed control
• Analog-to-digital conversion
• Frequency to voltage conversion
• Remote sensor monitoring
• Process control systems
• Signal conditioning

Quality and Reliability

This device is available in a highly reliable, lead-free (Pb-free) 16-pin WQFN package, designated by the NOPB (No Lead (Pb)) suffix. It meets or exceeds the requirements of the joint IPC/JEDEC standard J-STD-020C and is compliant with the European Union's Restriction on Hazardous Substances (RoHS) directive 2011/65/EU.

Conclusion

With its precision, low power consumption, and flexible operating voltage range, the LM3311SQX/NOPB from Texas Instruments stands out as a robust solution for voltage-to-frequency conversion needs in a variety of electronic systems. Its ease of use and consistent performance under varying conditions make it a go-to choice for designers looking to implement an efficient and dependable conversion mechanism in their projects.