Description
Product Overview
The TL064CN is a quad operational amplifier that combines the low power consumption of a JFET‑input stage with the robustness required for modern analog designs. Manufactured by Texas Instruments, a leader in semiconductor technology, this device is housed in a standard 14‑lead DIP package that fits comfortably on breadboards and prototype boards, allowing engineers to iterate quickly without the need for specialized tooling. The internal architecture features a JFET‑input front end, which provides exceptionally high input impedance and low bias currents, making the amplifier well‑suited for high‑impedance sensor applications where loading effects must be minimized.
Each of the four amplifiers within the TL064CN draws only 200 µA of supply current, a figure that translates into significant energy savings in battery‑powered systems. Despite the low power draw, the device does not compromise on performance: it delivers a typical slew rate of 3.5 V/µs, enabling fast signal transitions and accurate reproduction of high‑frequency components. The common‑mode input voltage range extends from the negative rail up to VCC‑, and includes the positive supply rail, which simplifies power‑supply design and reduces the need for additional level‑shifting circuitry.
Another notable feature is the built‑in short‑circuit protection on each output stage. This protection mechanism prevents damage in the event of an accidental short to ground or supply, enhancing the reliability of the overall system. The TL064CN also offers a wide differential voltage range, low input offset voltage, and low input bias current, all of which contribute to precise, low‑noise operation in demanding analog signal paths.
Usage
The TL064CN finds its niche in a variety of applications that demand low power, high input impedance, and reliable performance. Portable medical devices, such as pulse oximeters and portable ECG units, benefit from the amplifier’s low quiescent current, extending battery life while maintaining signal fidelity. In industrial sensor interfaces, the JFET‑input stage ensures that high‑impedance transducers, like thermocouples and strain gauges, are accurately amplified without introducing significant loading errors.
Audio engineers also appreciate the TL064CN for its low noise floor and fast slew rate, which are essential for high‑quality pre‑amplifier stages in portable audio equipment and guitar effects pedals. The wide common‑mode range allows the amplifier to operate comfortably with single‑supply voltages as low as 3 V, making it a versatile choice for both 5 V and 12 V system designs. Its DIP‑14 footprint simplifies integration into prototype boards, and the device can be easily transitioned to surface‑mount packages for volume production.
Why Choose Us
Choosing the TL064CN means selecting a component backed by Texas Instruments’ decades of experience in analog design and manufacturing excellence. Each device undergoes rigorous testing to ensure consistency, reliability, and compliance with industry standards. Our distribution network guarantees fast, dependable delivery, and we provide comprehensive technical support to assist engineers throughout the design, testing, and production phases.
In addition to the high‑quality silicon, we offer value‑added services such as detailed datasheets, application notes, and reference designs that accelerate time‑to‑market. Our commitment to customer satisfaction extends to after‑sales support, where our application engineers are available to troubleshoot performance issues, suggest optimal circuit topologies, and help integrate the TL064CN into complex systems.
Key Features
- Ultra‑low 200 µA per amplifier supply current maximizes battery life in portable devices.
- High slew rate of 3.5 V/µs ensures fast signal handling for audio and sensor applications.
- JFET‑input stage provides very high input impedance and minimal bias current for precision measurements.
- Wide common‑mode range includes both supply rails, simplifying power‑supply design.
- Comprehensive technical support and application assistance for seamless integration.
FAQ
What is the maximum supply voltage for the TL064CN?
The TL064CN operates reliably with a supply voltage ranging from 3 V up to 36 V. This wide range allows designers to use the amplifier in both low‑voltage battery‑powered systems and higher‑voltage industrial environments.
Can the TL064CN be used in single‑supply configurations?
Yes, the amplifier is fully functional in single‑supply mode. Its input common‑mode range extends to the positive rail, and the output can swing close to the ground level, making it suitable for designs that only require a single power source.
How does the short‑circuit protection work?
Each output stage includes an internal current‑limiting circuit that detects excessive load current. When a short is detected, the circuit reduces the output drive to prevent damage, while still allowing the amplifier to recover quickly once the fault is cleared.
Is the TL064CN compatible with surface‑mount technology?
While the TL064CN is supplied in a DIP‑14 package for easy prototyping, Texas Instruments offers equivalent surface‑mount versions (such as the TL064A) that provide the same electrical performance in a smaller footprint for production designs.
What kind of applications benefit most from the JFET‑input stage?
Applications that involve high‑impedance sources—like photodiodes, piezoelectric sensors, and precision resistive sensors—benefit greatly from the JFET‑input stage. The high input impedance minimizes loading, and the low bias current reduces measurement errors, leading to more accurate and stable signal acquisition.
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