The LF444CD from ON Semiconductor is a high-performance quad operational amplifier that combines JFET (Junction Field-Effect Transistor) input stages with bipolar output stages on a single monolithic chip. Designed for applications requiring low input bias and offset currents as well as low power dissipation, the LF444CD is a perfect choice for high-fidelity and audio pre-amplifier applications.
Key Features
- JFET Input: Provides low input bias and offset currents.
- Low Power Consumption: The device operates with a low supply current, making it suitable for battery-powered devices.
- High Input Impedance: Ensures minimal loading on the input signal source.
- Wide Gain Bandwidth: Offers a gain bandwidth product of 3 MHz, allowing for a wide range of applications.
- Internal Frequency Compensation: Provides stability without external components.
- Low Total Harmonic Distortion: Suitable for audio applications due to its high fidelity performance.
Applications
The LF444CD is versatile and can be used in various applications. Some of the typical applications include:
- High-fidelity audio preamplifiers and mixers
- Signal conditioning and sensor amplification
- Active filters and integrators
- Photodiode amplifiers
- Battery-operated instrumentation
- Sample and hold circuits
Product Specifications
Parameter
Value
Number of Channels
4
Supply Voltage (±)
±4V to ±18V
Input Offset Voltage
3 mV
Input Bias Current
20 pA
Operating Temperature
-40°C to +85°C
With its combination of low power consumption and high precision, the LF444CD operational amplifier from ON Semiconductor is an ideal solution for designers looking to optimize performance in power-sensitive applications.
