NE5532DR

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The NE5532DR is a dual low noise operational amplifier (OpAmp) designed for audio preamplifiers, active filters, and other audio related applications. It is available in an 8-pin DIP package and is well suited for building highly accurate and dependable audio systems.

The NE5532DR is designed for precision audio processing, and can be used to improve the performance of a range of applications, from audio preamplifiers and crossover filters, to equalizers and active tone controls. It has a low noise floor due to its high input impedance of 12MΩ (typical) and high CMRR of 80dB (typical) at 1 kHz. It can also handle large signals of up to 30Vpp and has a frequency response of up to 100kHz.

The NE5532DR is a dual-section amplifier with two complete op amps in a single package. It is "dual-supply" capable, meaning it can operate from both positive and negative supplies, but is not "rail-to-rail," meaning it will not swing all the way to the supply rails (positive and negative).

The operational amplifier\'s primary advantage as an audio device is its ability to amplify (magnify) very small signals. Its low noise performance also makes it ideal for audio processing applications. Its nonlinearity and instability (when incorrectly used) limit its use in serious audio applications, however. The NE5532DR is designed to eliminate these issues.

The NE5532DR utilizes a dual-section configuration for its input stages, allowing an open-loop gain of 91 dB and a unity gain frequency of 5 MHz. The open-loop gain ensures very low output noise and distortion, while the unity gain frequency guarantees high circuit stability. Furthermore, the NE5532DR has a high input impedance of 12 MΩ (typical) and a very high CMRR of 80 dB (typical) at 1 kHz which further improves its noise characteristics. The NE5532DR has a wide supply voltage range of 2.2V to 15V and can operate at temperatures ranging from -40° to +125°C.

One of the primary applications of the NE5532DR is in high-quality audio preamplifiers. Generally, audio preamplifiers circuit have a passive element (such as resistors or capacitors) connected to the input, in order to provide a low-impedance input signal to the amplifier. The NE5532DR can be used in this circuit to provide an amplified signal with very low noise and distortion.

The NE5532DR can also be used in active crossover networks, which divide the audio signals into separate frequency bands and route each band to a dedicated speaker. Each frequency band is routed to its own amplifier, and the NE5532DR can be used in these amplifiers due to its wide bandwidth and low distortion.

Finally, the NE5532DR can be used in equalizers, tone controls, and other audio system processing applications. Its wide bandwidth and low noise performance make it ideal for these applications.

In summary, the NE5532DR is a precision low-noise operational amplifier designed for high-end audio applications such as preamplifiers, active crossover networks, equalizers and tone controls. It has a wide bandwidth, low noise performance and wide supply voltage range, making it an ideal choice for audio systems where precision and accuracy are of the utmost importance.

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