NE5534 Dual Low-Noise High-Speed Audio Operational Amplifier SOIC-8 SMD IC

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NE5534 Dual Low-Noise High-Speed Audio Operational Amplifier SOIC-8 SMD IC The NE5534 is a high-performance monolithic operational amplifier that has established itself as a classic and enduring component in professional and high-fidelity audio equipment. Its design prioritizes the combination of very low inherent noise with a high-speed capability, setting a standard for audio quality that has made it a preferred choice for engineers for decades. It represents a significant step beyond general-purpose op-amps, offering a level of sonic clarity and precision that is critical in demanding audio signal chains. This amplifier is internally compensated for stable operation at a gain of three or higher, but it also provides unique flexibility with external frequency compensation capability. This allows circuit designers to optimize the bandwidth and slew rate for specific application needs, fine-tuning the trade-off between speed and stability. The IC further includes provisions for offset-voltage nulling to cancel out tiny DC imbalances, a feature important for precision DC-coupled stages, and incorporates input protection diodes alongside output short-circuit protection for enhanced robustness. The defining character of the NE5534 lies in its ability to deliver clean, uncolored amplification. Its exceptionally low noise floor and low total harmonic distortion ensure that the amplified signal remains pristine, with minimal added artifacts from the amplifier itself. Coupled with a high output current drive capability, it can directly handle challenging loads, such as low-impedance inputs in mixing consoles or high-capacitance cables, making it a reliable and high-integrity building block for superior audio circuits. Features: Low Noise. High Slew Rate. Wide Bandwidth. High Output Drive Capability. Low Distortion. Wide Supply Voltage Range. Offset Nulling Capability. External Compensation Capability. Output Short-Circuit Protection. Input Protection Diodes. Specifications: Parameter Value Unit / Conditions Supply Voltage Range: ±3 V to ±20 V V Input Offset Voltage: 0.5 (typ), 4 (max) mV, at 25°C Input Bias Current: 500 (typ), 1500 (max) nA, at 25°C Unity-Gain Bandwidth: 10 MHz, Typ Slew Rate: 13 V/µs, Typ (CC = 0) Equivalent Input Noise Voltage: 4 (typ) nV/√Hz, f = 30 Hz (NE5534A) Common-Mode Rejection Ratio (CMRR): 100 dB, Typ Large-Signal Voltage Gain: 100 V/mV, Typ Output Voltage Swing: ±12 V, Min (VCC± = ±15 V, RL = 600 Ω) Output Short-Circuit Current: 38 mA, Typ Supply Current (per amplifier): 4 (typ), 8 (max) mA, No Load Pinout Diagram: Footprint Diagram: Applications: Professional Audio Mixing Consoles. High-Fidelity Preamplifiers. High-Quality Audio Power Amplifiers. Instrumentation and Control Systems. Active Filters and Crossover Networks. Package Contents: 1x NE5534 Dual Low-Noise High-Speed Audio Operational Amplifier SOIC-8 SMD IC Datasheet