NE5532P is a high-performance dual operational amplifier integrated circuit. It is similar to many standard op amps, but has better noise characteristics, better drive power, higher small-signal bandwidth, and a wider supply voltage range. Therefore, it is very suitable for high-quality and professional audio equipment, instruments, control circuits, and telephone amplifiers. Used to play sound, the sound is soft and the sound quality is lifelike. It was called the "King of Op Amp" by music lovers in the early 1990s. It is still a must-have equipment for many audio lovers. 

 

Ⅰ.Specification parameters of NE5532P

•Number of circuits:2
•Number of channels:2 Channel
•Supply voltage-maximum:30 V
•Voltage gain dB:100 dB
•Package/Case:PDIP-8
•Input compensation drift:0.00 V/K
•SR-slew rate:9 V/us
•Minimum operating temperature:0℃
•Maximum operating temperature:+70℃
•Product Category:Operational Amplifier - Operational Amplifier
•Power supply voltage-minimum:10V
•Operating power supply current:8 mA
•Slew rate:9V/µs
•Height:4.57 mm
•Width:6.35 mm
•Length:9.81 mm
•Ib-input bias current:800 nA
•Shutdown:No Shutdown
•GBP-gain bandwidth product:10 MHz
•Output current per channel:38 mA
•Minimum dual supply voltage:+/-5 V
•Maximum dual supply voltage:+/-15 V
•Vos-input bias voltage:4 mV
•Voltage-input compensation:500 µV
•Current-input bias:200 nA
•CMRR-Common mode rejection ratio:100 dB
•en-input voltage noise density:5 nV/sqrt Hz
•Amplifier type:Low Noise Amplifier
•Dual supply voltage:+/-9 V, +/-12 V
•In—Input noise current density:2.7 pA/sqrt Hz
•Product:Operational Amplifiers
•Operating power supply voltage:10 V to 30 V, +/-5 V to +/-15 V

 

Ⅱ.Main functions of NE5532P

1.Wide bandwidth: It has a wide bandwidth, making it suitable for high-frequency signal processing, especially the audio frequency range.

2.Dual operational amplifier structure: NE5532P contains two independent operational amplifiers, each of which can be used to process different signal paths or channels. This makes it ideal for two-channel audio applications such as stereo amplifiers.

3.Power supply voltage range: NE5532P is usually able to operate within a wide power supply voltage range, allowing it to operate normally under different power supply conditions.

4.Low distortion: NE5532P provides low harmonic distortion and low crossover distortion, helping to maintain signal accuracy and fidelity.

5.Low noise: This chip is designed to reduce noise levels, especially for audio applications. Low noise levels help maintain the clarity and quality of audio signals.

6.High gain: NE5532P has high gain, making it suitable for applications requiring signal amplification, especially audio amplifiers and sound systems.

7.High stability: NE5532P can maintain good stability under various environmental and temperature conditions, which is an important feature for its reliable operation in various applications.

8.General applications: NE5532P is not only used for audio applications, but also for general operational amplifier applications, such as filtering, signal conditioning, etc.

 

Ⅲ.Common application fields of NE5532P

1.Audio amplifier: NE5532P is a high-performance dual operational amplifier chip, which is often used to design audio amplifiers, including power amplifiers, stereo amplifiers and headphone amplifiers (headphone amplifiers).

2.Mixer: NE5532P can be used to mix different audio signals in the mixer. A mixer is a device that receives multiple audio signal inputs, mixes these signals, and finally outputs one or more mixed audio signals. In the mixer, NE5532P can be used as an important component to realize multi-channel audio mixing function. Through the operational amplification capability of NE5532P, different audio signals can be weighted and their amplitude and phase adjusted to achieve mixing of audio signals. In addition, the NE5532P also has low noise, wide frequency response and other characteristics, which enables it to provide high-quality audio output in the mixer.

3.Electronic musical instruments: NE5532P can be used for audio amplification and signal processing of electronic musical instruments. Electronic musical instruments, such as synthesizers and keyboards, often require the conversion of electronic signals into audible audio signals. In this process, audio amplification and signal processing are very critical steps. As a high-performance dual operational amplifier chip, NE5532P can be used for audio amplification and signal processing of electronic musical instruments. In electronic musical instruments, the NE5532P can be used as an audio amplifier to amplify electronic signals to the appropriate amplitude to drive speakers or other output devices. At the same time, NE5532P can also be used for signal processing, such as filtering, equalization, effects processing, etc., to improve audio quality or increase the expressiveness of musical instruments.

4.Audio system: As a key component of audio amplifiers, NE5532P is often integrated in audio systems, such as home audio, car audio, and professional audio equipment.

5.Electronic musical instruments: NE5532P can be used for audio amplification and signal processing of electronic musical instruments. Electronic musical instruments, such as synthesizers and keyboards, often require the conversion of electronic signals into audible audio signals. In this process, audio amplification and signal processing are very critical steps. As a high-performance dual operational amplifier chip, NE5532P can be used for audio amplification and signal processing of electronic musical instruments. In electronic musical instruments, the NE5532P can be used as an audio amplifier to amplify electronic signals to the appropriate amplitude to drive speakers or other output devices. At the same time, NE5532P can also be used for signal processing, such as filtering, equalization, effects processing, etc., to improve audio quality or increase the expressiveness of musical instruments.

6.Audio processor:NE5532P can be used for various audio processing applications, including equalizer, sound effects processor and sound modulation, etc.

•Equalizer: An equalizer is a tool used to adjust the audio spectrum. By adjusting the gain of different frequency bands, the balance and clarity of the audio can be improved. The NE5532P's high gain and linearity make it an ideal choice for equalizers.

•Sound effects processor: Sound effects processor is used to add various effects to audio, such as reverb, compression, delay, etc. NE5532P can be used to process these effects and provide high-quality audio output.

•Sound modulation: Sound modulation is the process of changing the characteristics of audio signals, such as amplitude modulation, frequency modulation, etc. The high-performance operational amplifier function of NE5532P allows it to be used in sound modulation applications, providing greater creative space for audio design.

7.Measurement equipment: In measurement equipment that requires high-performance operational amplifiers, the NE5532P may also be used to amplify and process sensor signals. Measuring equipment usually needs to process signals from various sensors, and these signals may be very weak, so they require high-performance operational amplifiers for amplification and processing. As a high-performance dual operational amplifier chip, NE5532P can meet the requirements for amplifiers and signal processing in measurement equipment. In measurement equipment, NE5532P can be used to amplify the output signal of the sensor and improve the signal amplitude and signal-to-noise ratio. At the same time, it can also be used for signal processing, such as filtering, amplification, modulation, etc., to improve signal quality and stability.

8.Low-frequency amplification: NE5532P is also common in applications that require precise amplification of low-frequency signals. Low-frequency signals tend to have lower frequencies and larger amplitudes, and therefore require higher amplification and better linearity for accurate amplification. The low noise and low distortion characteristics of the NE5532P make it advantageous in low-frequency amplification applications. In low-frequency amplification applications, the high gain and linearity of NE5532P can provide precise amplification while maintaining signal integrity. In addition, its low-noise characteristics can reduce noise interference during the amplification process and improve the signal-to-noise ratio of the signal. 

 

Ⅳ.Absolute Maximum Ratings of NE5532P
over operating free-air temperature range(unless otherwise noted)

1.Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device.These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied.Exposure to absolute -maximum-rated conditions for extended periods may affect device reliability.

2.The magnitude of the input voltage must never exceed the magnitude of the supply voltage.

3.All voltage values,except differential voltages,are with respect to the midpoint between VCC+ and VCC–.

4.Excessive input current will flow if a differential input voltage in excess of approximately 0.6 V is applied between the inputs, unless some limiting resistance is used.

 

Ⅴ.Electrical Characteristics of NE5532P
Vcc±=±15 V,TA=25°C(unless otherwise noted)

1.All characteristics are measured under open-loop conditions, with zero common-mode input voltage,unless otherwise specified.
2.Full temperature ranges are: –40°C to 85°C for the SA5532 and SA5532A devices, and 0°C to 70°C for the NE5532 and NE5532A devices.

 

Ⅵ.Methods to minimize noise introduced by NE5532P

1.Optimize power supply:
•Use a low-noise power supply voltage regulator to reduce ripple and noise in the power supply.
•Provide stable, low-noise power supply to ensure that NE5532P works under good power conditions.

2.Comprehensive capacitance:
•Add appropriate integrated capacitors near input and output pins to improve circuit stability and reduce noise.

3.Reduce the power supply voltage:
•Within the power supply voltage range of NE5532P, use a lower power supply voltage because generally speaking, a lower power supply voltage can reduce the noise level of the op amp.

4.Impedance matching:
•Use impedance matching in input and output circuits to prevent signals from being interfered by noise during transmission.

5.Power supply capacitor filtering:
•Add enough capacitance near the power pins to filter out high frequency noise. This helps block noise from the power supply.

6.Ground wire design:
•Carry out good ground wire design and ensure that the ground pin of NE5532P is connected to a relatively clean place. Use a star ground wiring to reduce noise caused by ground return flow.

7.Reduce the magnification:
•Reduce amplification, especially where extremely high gain is not required, to reduce the relative impact of noise.

8.Avoid radio frequency interference:
•Place the circuit as far away from the source of radio frequency interference as possible to reduce the impact of radio frequency interference on the NE5532P.

9.Reduce the power supply voltage:
•Within the power supply voltage range of NE5532P, use a lower power supply voltage because generally speaking, a lower power supply voltage can reduce the noise level of the op amp.

10.Temperature control:
•Control the operating temperature of NE5532P, because temperature changes may affect the performance of the op amp.

 

Ⅶ.Replacement model of NE5532P

1.TL072: It is a dual op amp chip widely used in audio and general amplifier applications.

2.OPA2134: Texas Instruments' high-performance operational amplifier with low noise and low distortion, suitable for audio and precision measurement applications.

3.LM833: It is also a dual operational amplifier produced by Texas Instruments and is suitable for audio amplifiers and sound systems.

4.LM4562: Produced by International Rectifier, it is a high-performance, low-noise dual operational amplifier suitable for audio amplification and high-fidelity applications.

5.RC4558: Produced by multiple manufacturers such as Texas Instruments, it is a common dual op amp chip suitable for general amplifier applications.

Frequently Asked Questions

1.What is the operating voltage range of NE5532P?
The operating voltage range of NE5532P is between ±5V and ±15V.

2.How to ensure that the circuit of NE5532P remains stable at high frequencies?
Add appropriate capacitors to the input and output to improve the stability of the circuit. These capacitors help filter out high-frequency noise and maintain the op amp's phase margin. Adding a stability compensation capacitor to the feedback loop of the NE5532P can help improve the stability of the op amp at high frequencies. The specific values and locations need to be adjusted according to the manufacturer's recommendations and the application circuit.

3.What are the key characteristics of NE5532P?
NE5532P is known for its high gain, low noise, and low distortion, making it suitable for high-performance audio applications.