NE5534 Op-Amp: Specifications, Applications, and Datasheet

The NE5534 Op-Amp is a high-performance operational amplifier widely use in both consumer electronics and industrial applications. Design for low-noise operation and high-speed performance, this IC is an ideal choice for applications that demand precision, such as high-fidelity audio circuits, instrumentation, and medical equipment. This op-amp combines excellent DC and AC characteristics, offering low distortion, high output-drive capability, and a slew rate that allows it to handle rapid changes in input signals.

1. What is the NE5534?

2. NE5534 Pinout, Symbol, Footprint, and CAD Model

3. NE5534 Audio Amplifier Circuit Features

4. Technical Specifications for NE5534 Op Amp Circuit

5. Applications of IC NE5534

6. Package Options of NE5534

7. Manufacturer of NE5534 Circuits

8. NE5534 Equivalent and Replacement

What is the NE5534?

The NE5534 is a high-performance operational amplifier (op-amp) that combines exceptional DC and AC characteristics, making it ideal for a wide range of precision applications. NE5534’s key features include low noise, which is critical for audio and instrumentation applications, and a high output-drive capability, allowing it to drive large loads with ease. The circuit offers high unity-gain bandwidth, enabling it to operate efficiently at higher frequencies, and its maximum output-swing bandwidth ensures that it can handle large signal variations without distortion.

Additionally, the chip has a high slew rate, which allows it to respond quickly to rapid voltage changes, making it suitable for high-speed applications. The op-amp compensate internally for a gain of three or greater but also allows for external compensation using a capacitor between the COMP and COMP/BAL pins. This external compensation allows users to optimize the frequency response for specific applications, offering versatility in design.

The OP-AMP includes several protective features such as input-protection diodes to prevent damage from voltage spikes, output short-circuit protection, and the ability to null offset voltage using the BALANCE and COMP/BAL pins. These combined features make this IC ideal for use in audio, instrumentation, and control circuits.

NE5534 Pinout, Symbol, Footprint, and CAD Model

Pin Configuration and Functions

This circuit comes in an 8-pin configuration. Here is a detailed description of each pin:

NE5534AD Symbol, Footprint, and CAD Model

NE5534AN Symbol, Footprint, and CAD Model

The NE5534 follows a standard op-amp symbol in circuit diagrams, and its footprint matches the standard 8-pin package, making it suitable for a wide variety of designs. Can easily integrate into most CAD models for circuit boards. 

NE5534 Audio Amplifier Circuit Features

This chip is especially well-suited for audio amplifier circuits as its low noise and high slew rate. Here are some of NE5534’s  features:

Equivalent Input Noise Voltage: 3.5 nV/√Hz (typical), making it ideal for sensitive audio equipment where can introduce noise easily.

Unity-Gain Bandwidth: 10 MHz (typical), can handle a wide range of signal frequencies.

Common-Mode Rejection Ratio (CMRR): 100 dB (typical), ensuring that reject common-mode noise (such as hum) effectively, which is useful in audio circuits.

High DC Voltage Gain: 100 V/mV (typical), enabling precise signal amplification.

Peak-to-Peak Output Voltage Swing: 32 V typical with ±18 V supply and 600Ω load resistance. This allows for a wide dynamic range in audio applications.

High Slew Rate: 13V/µs (typical), providing the op-amp with the ability to handle rapid signal changes without distortion.

Wide Supply-Voltage Range: ±3V to ±20V, which offers flexibility for various design scenarios.

These specifications ensure that the circuit is able to provide high-quality audio amplification with low harmonic distortion and external compensation capability, making it the go-to choice for audiophiles and audio engineers alike.

Technical Specifications for NE5534 Op Amp Circuit

Here’s a more detailed look:

The circuit design to handle a wide range of input and output conditions. Its low offset voltage ensures high-accuracy signal processing, and its low bias current minimizes error in high-impedance applications. These characteristics make it a great choice for both audio equipment and industrial instrumentation.

Applications of IC NE5534

Can find application across a variety of fields, particularly where require high-quality signal processing.

Audio Equipment:
Widely use in audio-amplifiers, preamps, and audio-mixers. NE5534’s low noise and distortion characteristics are useful in ensuring high-fidelity sound reproduction in professional audio equipment. Also use in stereo amplifiers to drive speakers with minimal distortion.

Instrumentation and Control Circuits:
As its high precision and stability, the circuit use in instrumentation amplifiers, where require accurate signal processing for sensors and control systems.

Telephone Channel Amplifiers:
Use in amplifying telephone signals in communication systems. Its high common-mode rejection ratio ensures clear signal amplification with minimal interference.

Medical Equipment:
Use to amplify weak biological signals, such as ECGs and EEGs, where require low noise for obtaining accurate results.

Signal Conditioning Circuits:
Also employ in industrial signal conditioning systems, where signals from sensors need to condition and amplify before further processing or display.

These varied applications demonstrate the NE5534’s flexibility and reliability across multiple domains, especially where high performance and low noise are paramount. Whether for audio systems, medical equipment, or signal conditioning, the NE5534 provides superior amplification and precision in a wide range of scenarios.

Package Options of NE5534

The chip is available in various packages to suit different applications and manufacturing processes:

NE5534A:

NE5534AD (SOP-8)

Come in the SOP-8 (Small Outline Package), a surface-mount package that is smaller and ideal for modern, compact circuit boards. Often use in automated manufacturing processes, where space-saving and ease of assembly are key considerations.

NE5534AN (DIP-8)

House in the 8-DIP (Dual In-line Package), a through-hole package with 8 pins that make it suitable for hand soldering or use in prototyping boards. Commonly in educational setups, development projects, and other applications where prefer easy handling and soldering.

NE5534 MSOP

MSOP (Micro Small Outline Package) is an even smaller surface-mount package compared to the SOP-8. NE5534 only available in 8-SOP and 8-DIP packages.

Manufacturer of NE5534 Circuits

The op-amp circuit manufacture by two companies, ensuring its availability and reliability in various applications.

TI NE5534

Texas Instruments (TI) is one of the most well-known and trusted manufacturers of this circuit. TI NE5534’s version is renowned for its consistent high performance, quality control, and widespread availability. Texas Instruments offers the chip in various package options (such as DIP-8, SOP-8) to suit different application needs, from audio systems to instrumentation.

NE5534 ONSEMI

ON Semiconductor also manufactures this component. ONSEMI NE5534’s version use in a wide range of applications, especially in industrial and automotive sectors, where require high reliability and long-term stability.

Both manufacturers maintain the high performance and precision that the NE5534 is known for, making it an useful component in professional audio equipment, instrumentation, control systems, and other applications requiring low noise and high gain.

NE5534 Equivalent and Replacement

Several alternatives that offer similar performance characteristics. These equivalents can use in place of the NE5534 in various circuits, depending on specific requirements such as noise level, slew rate, and gain. Here’s a list of commonly use equivalents and replacements:

OPA1677DR

A precision op-amp from Texas Instruments, the OPA1677 is known for its low noise, high precision, and rail-to-rail output. Widely use in high-fidelity audio applications and instrumentation where require low distortion and high accuracy.

LM301ADR2G

The LM301A from Texas Instruments is a general-purpose operational amplifier that can serve as a replacement for the NE5534 in applications where need high-speed performance and low noise, though it has slightly different characteristics output drive capability and bandwidth.

SA5534

The SA5534 is another op-amp closely related to the NE5534, offering similar performance. Suitable for audio and signal processing applications, offering low noise and high slew rate with comparable voltage and power requirements.

TLC071

The TLC071 is a low-power, general-purpose operational amplifier from Texas Instruments. While it offers lower bandwidth, it can use in applications where power consumption is more critical than speed or high-frequency performance.

TLC081

The TLC081 is another low-power op-amp, commonly use in similar applications to the TLC071. Design for low-noise performance in applications such as audio preamplifiers or sensor signal conditioning but with a more limited bandwidth compared to the NE5534.

AD845KNZ

The AD845 is a precision op-amp from Analog Devices that offers similar characteristics, such as low noise and high precision. Particularly suited for instrumentation and audio applications.

Key Observations:

1.Performance Comparison:

The OPA1677 has the best noise performance (1.5 nV/√Hz) and a high CMRR (120 dB), making it ideal for applications requiring low noise and high precision, such as audio and measurement systems.

The LM301ADR2G and TLC series are general-purpose op-amps, with the TLC071 and TLC081 being low-power options suitable for applications where power consumption is critical but slightly lower performance (slew rate, gain bandwidth) is acceptable.

2.Slew Rate and Bandwidth:

The NE5534 and SA5534 have a slew rate of 13 V/µs, making them suitable for high-speed applications such as audio amplification and signal processing.

The OPA1677DR and AD845KNZ have lower slew rates (0.3 V/µs), which limits their use in high-speed applications but offers advantages in low-power or low-noise contexts.

NE5534 Datasheet PDF

For more detailed technical information, application circuits, and performance data, you can refer to the following data sheets:

NE5534AN Datasheet

NE5534 Datasheet Philips

These datasheets provide all the detailed specifications, application circuits, and other information necessary to integrate the circuit into your designs.

NE5534 Preamplifier Board

One of the most common applications of the NE5534 is in preamplifier boards, particularly in stereo audio systems. The buffer preamplifier circuit offers high-impedance input and low-impedance output, making it ideal for high-fidelity audio applications. It eliminates the need for coupling capacitors by allowing DC-coupled connections, ensuring that pass the audio signal without any distortion or loss of fidelity.

The plastic-encapsulated 5534 DC buffer stereo preamplifier circuit board offers these benefits, with no amplification gain but a strong driving force that reduces the influence of the power amplifier on the input signal.

Power Supply: The preamplifier works with a power supply ranging from ±5V to ±18V DC, making it adaptable to various voltage levels.

Signal Characteristics: The preamplifier maintains a wide sound range and is ideal for high-quality audio playback systems.

Frequently Asked Questions [FAQ]

What is the difference between NE5532 and NE5534?

The NE5532 and NE5534 are similar high-performance op-amps, but the NE5534 has a higher slew rate (13V/µs vs. 3V/µs) and a larger bandwidth (10MHz vs. 8MHz), also has slightly better output drive capabilities. While both use in audio applications, the NE5534 is favored for its faster response and higher precision in high-speed or demanding audio systems, whereas the NE5532 is more suitable for general-purpose applications with moderate speed and lower cost.

What is the main purpose of an opamp?

The main purpose of an operational amplifier (op-amp) is to amplify a small voltage signal with high gain, while maintaining accuracy and linearity. Op-amps use in a wide variety of applications, including signal amplification, filtering, voltage comparison, and feedback loops in electronic circuits. They are versatile components that can operate in different configurations, such as voltage followers, inverting amplifiers, and integrators, making them useful in signal processing, audio systems, instrumentation, and control systems.

Can NE5534 be used as a voltage follower?

Yes, the NE5534 can use as a voltage follower (buffer). In this configuration, the op-amp provides high input-impedance and low output-impedance, making it ideal for isolating different stages of a circuit without amplifying the signal. This ensures that pass the signal through with minimal loss, preserving its integrity. The NE5534's low noise and high accuracy make it particularly useful in audio and instrumentation applications where signal clarity is necessary.

Is the NE5534 a single or dual op-amp?

The NE5534 is a single op-amp. Design as a standalone operational amplifier, typically packaged in DIP-8 and SOP-8. For dual op-amp applications, manufacturers offer the NE5532, which contains two independent op-amps in a single package, with similar performance characteristics to the NE5534. Often choose the NE5534 for high-performance, low-noise applications, especially in audio circuits.

What is the NE5534 price?

The prices typically ranges from US$0.05 to US$0.30 per unit, depending on the supplier and packaging options. Prices vary based on purchase quantity and region. Higher-end versions from manufacturers like Texas Instruments or ON Semiconductor may cost a bit more as their quality and consistency in performance. Bulk purchases or specialized configurations result in discounts or price changes. For smaller orders, prices can lean towards the higher end of the range.

Is an op-amp a transistor?

An op-amp (operational amplifier) is not a single transistor but a complex integrated circuit containing multiple transistors, resistors, capacitors, and sometimes diodes. These components work together to provide high-gain amplification. While the op-amp internally uses transistor-based circuits to perform its functions, it is a complete component design for signal processing. The transistors inside the op-amp are crucial for providing the amplification and feedback mechanisms, but the op-amp itself is a more advanced and specialized device.

Conclusion

The NE5534 Op-Amp remains one of the most popular operational amplifiers available today, especially in high-quality audio applications. Its precision, low noise, high slew rate, and excellent bandwidth make it indispensable in everything from high-fidelity audio equipment to medical instrumentation and industrial control systems. Whether you’re an audio engineer or an electronics designer, the NE5534 offers the reliability and performance needed for demanding circuits.

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