NE5534DG - 10 MHz Low-Noise Single Op Amp | onsemi
Référence : NE5534DG ✓ ActifNE5534DG Présentation
An operational amplifier is a voltage-controlled, high-gain analog building block used to amplify small signals, buffer inputs, compare voltages, and drive feedback networks. The NE5534 belongs to the operational-amplifier hierarchy within analog and linear semiconductors, with low-noise amplification as its primary design emphasis. Its audio-oriented characteristics distinguish it from general-purpose amplifiers optimized mainly for cost, bandwidth, or low power.
Key features include 3.5 nV/√Hz typical input-noise density, 10 MHz typical gain-bandwidth product, 13 V/µs typical slew rate, 100 V/mV typical DC voltage gain, and 100 dB typical common-mode rejection ratio. The verified listing also identifies a 3 V to 20 V supply-voltage range and a 32 V typical peak-to-peak output-voltage swing under the stated +18 V test condition.
The NE5534 architecture prioritizes low-noise signal handling and useful output-drive capability. Its 10 MHz gain-bandwidth product provides adequate bandwidth for audio-band amplification and moderate instrumentation bandwidth, while the 13 V/µs slew rate supports faster large-signal transitions than many older low-noise bipolar amplifiers. Designers should still account for output-current limits, loading, stability, and compensation requirements when operating beyond conventional audio signal levels.
Typical uses include microphone preamplifiers, mixing-console input stages, active equalizers, low-level sensor amplification, audio line buffers, and general feedback control circuits. In these applications, the low 3.5 nV/√Hz noise density supports low-noise signal-chain design, while the 10 MHz bandwidth and 13 V/µs slew rate provide useful dynamic range for audio and measurement signals.
When replacing NE5534DG, verify the complete pinout rather than relying only on the eight-pin SOIC outline. Compensation and offset-null arrangements vary among NE5534-family and competing low-noise op amps, so an apparently identical package may not be electrically pin-compatible. Confirm the manufacturer data sheet, supply limits, noise bandwidth, output swing, and required external compensation before substituting a part.
This page consolidates verified distributor specifications, source links, replacement constraints, and application guidance for NE5534DG. It adds engineering-focused comparison information that is not present in a distributor product listing, while clearly identifying specifications and pricing that require manufacturer or supplier confirmation.
Alternatives de remplacement direct pour NE5534DG — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec NE5534DG (même facteur de forme et même empreinte) — différant par Amplifier Type, Package, Packaging, Slew Rate.
NE5534DR2G
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →NJM5534D
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
NE5534DG Valeurs maximales et caractéristiques électriques
| Amplifier Type | Single general-purpose operational amplifier |
| Number of Circuits | 1 circuit |
| Gain-Bandwidth Product | 10 MHz typical |
| Slew Rate | 13 V/µs typical |
| Input Noise Density | 3.5 nV/√Hz typical |
| DC Voltage Gain | 100 V/mV typical |
| Common-Mode Rejection Ratio | 100 dB typical |
| Peak-to-Peak Output Voltage Swing | 32 V typical at VCC+ = +18 V and 600 Ω load |
| Supply Voltage Range | 3 V to 20 V |
| Boîtier | 8-pin SOIC, 0.154 in (3.90 mm) width |
| Packaging | Tube |
| Terminal Count | 8 terminals |
| Style de montage | Surface mount |
| Temperature Grade | Commercial |
| Statut RoHS | Compliant |
| Lead-Free Status | Lead-free |
| Green Product Status | Green |
Guide de configuration des broches du NE5534DG 8-pin soic, 0.154 in (3.90 mm) width
Configuration des broches du NE5534DG (boîtier 8-pin soic, 0.154 in (3.90 mm) width). Ce composant analogique comporte des broches d'entrée, de sortie et d'alimentation. Consultez la fiche technique du fabricant pour les configurations des broches d'annulation d'offset, de compensation et d'activation. Idéal pour le conditionnement de signaux et les circuits amplificateurs.
Aucune donnée de brochage détaillée disponible pour NE5534DG.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
NE5534DG convient pour 6 applications: Microphone and Instrument Preamplification, Mixing Console and Audio Interface Inputs, Active Audio Equalization and Filters, Low-Level Sensor Signal Conditioning, Audio Line Buffering and Signal Isolation, General Feedback Control Loops.
Microphone and Instrument Preamplification
The NE5534DG fits low-level audio preamplifiers because its verified 3.5 nV/√Hz typical input-noise density preserves weak source signals without adding a large broadband noise floor. Its 10 MHz typical gain-bandwidth product and 13 V/µs typical slew rate provide useful bandwidth beyond the audible range while maintaining stable operation in a conventional feedback topology. The device can follow a microphone capsule or instrument front end when the input source impedance, gain-setting resistors, and grounding are carefully balanced. Because this is an 8-pin SOIC with compensation-related pin functions, engineers should use the manufacturer pinout rather than assume universal operational-amplifier pin numbering. Output loading and headroom must also be checked before using the verified 32 V typical peak-to-peak swing condition as a general operating limit.
Recommandé
Mixing Console and Audio Interface Inputs
The NE5534DG is well suited to mixing-console, preamplifier, and audio-interface input channels where low-noise amplification is more valuable than very high bandwidth. Its 3.5 nV/√Hz typical input-noise density supports quiet gain staging, while the 10 MHz typical gain-bandwidth product is comfortably above the principal audio band. The 100 dB typical common-mode rejection ratio can reduce common-mode interference when the circuit is properly balanced and grounded. In a practical channel, the amplifier would typically sit behind a balanced input network and use negative feedback to establish gain. Designers should calculate resistor noise against the device's input-noise contribution, confirm the input common-mode range for the selected supply voltage, and verify output-drive capability for downstream mixer or converter stages rather than assuming the audio-frequency specification alone guarantees headroom.
Recommandé
Active Audio Equalization and Filters
The NE5534DG can implement active equalizer, tone-control, and crossover filter sections because its 10 MHz typical gain-bandwidth product provides ample bandwidth relative to audio frequencies, while its 3.5 nV/√Hz typical noise density supports high-gain filter stages. The 13 V/µs typical slew rate reduces large-signal distortion potential when the filter must drive a downstream impedance. In an equalizer, the closed-loop gain and frequency response depend on the chosen resistor and capacitor values, so component tolerances can materially alter the response. For predictable operation, simulate the complete network, verify stability with the source and load impedances, and keep the amplifier within its supply and output-swing limits. The single-amplifier format also allows the same device type to be used for one active section, although a dual alternative may reduce board area in multi-band designs.
Recommandé
Low-Level Sensor Signal Conditioning
The NE5534DG is applicable to low-level sensor conditioning when the source is reasonably referenced and the system needs more noise performance than a general-purpose amplifier. Its 3.5 nV/√Hz typical input-noise density is favorable for high-gain measurement stages, and its 100 V/mV typical DC voltage gain supports useful closed-loop amplification. The 10 MHz typical gain-bandwidth product allows moderate closed-loop bandwidth rather than forcing operation to the audio band. A practical implementation would use the amplifier to create gain around a sensor bridge, potentiometer, or resistive transducer, followed by an ADC or instrumentation stage. Input bias current can create errors with high-impedance sensors, so the source impedance must be evaluated even though a numerical bias-current value was not present in the verified excerpts. Supply headroom, common-mode range, sensor grounding, and the datasheet pinout remain mandatory checks.
Recommandé
Audio Line Buffering and Signal Isolation
The NE5534DG can buffer an audio line or intermediate analog stage when the design needs a low-noise, unity-gain-compatible amplifier in an 8-pin SOIC. Its 10 MHz typical gain-bandwidth product provides more than enough bandwidth for conventional audio signals, and its 100 dB typical common-mode rejection ratio is useful when preserving a balanced signal through an additional stage. The verified 32 V typical peak-to-peak output swing is specified at +18 V with a 600 Ω load, but it should not be generalized to every rail or load. Engineers must check output-current capability, capacitive-load stability, and the available output-voltage headroom. Because the NE5534 family includes devices with differing compensation or offset arrangements, use the exact manufacturer pinout and avoid substituting an amplifier solely because it shares the same eight-pin package outline.
Recommandé
General Feedback Control Loops
The NE5534DG can serve as the active element in general-purpose feedback control loops because it offers 100 V/mV typical DC voltage gain, 100 dB typical common-mode rejection, and a 10 MHz typical gain-bandwidth product. These characteristics allow the amplifier to enforce system-level feedback in instrumentation, actuator drivers, and analog regulators. The 13 V/µs typical slew rate helps the output respond to control-loop corrections, although loop compensation must be designed around the actual load and output-stage behavior. A practical design should identify every feedback and compensation component, verify the manufacturer's specified connection for pin 5, and analyze stability rather than relying on a generic operational-amplifier model. The exact operating voltage, output-current limit, input offset voltage, and supply-current values were not included in the supplied excerpts and should therefore be obtained from the ON Semiconductor data sheet before release to production.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour NE5534DG — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | NE5534DR2G | NJM5534D |
|---|---|---|---|
| Brand | onsemi | onsemi | JRC |
| Package | 8-pin SOIC, 0.154 in (3.90 mm) width | 8-pin SOIC - same package family | 8-pin SOIC - same package family |
| Amplifier Type | Single general-purpose operational amplifier | Single low-noise operational amplifier | Single NE5534-family operational amplifier |
| Number of Circuits | 1 circuit | 1 circuit | 1 circuit |
Principaux différenciateurs
- Low-noise input suitable for audio and measurement stages (vs NJM5534D)
- Verified 10 MHz gain-bandwidth product (vs NE5534DR2G)
- Tube-packaged onsemi ordering option (vs NE5534DR2G)
- 13 V/µs typical slew rate for audio-band dynamics (vs NJM5534D)
Notes de conception
Do not treat an 8-pin SOIC outline as proof of electrical compatibility. The verified technical discussion identifies pin 5 as a compensation connection in the NE5534 arrangement and specifically notes that OPA134PA is not pin-compatible because its pin 5 assignment differs. Before substituting NE5534DR2G, NJM5534D, or another amplifier, compare signal inputs, output, supply, compensation, and offset-null connections directly against the ON Semiconductor data sheet. Recheck stability and external compensation components even when the package and function names appear similar.
Design the input network so resistor-generated noise and source impedance do not dominate the verified 3.5 nV/√Hz amplifier noise. For a resistor-feedback stage, calculate the parallel combination of source and feedback resistance because it contributes directly to input-referred noise. Keep the 10 MHz typical gain-bandwidth product in perspective: it is not a guarantee of 10 MHz usable closed-loop bandwidth at every gain. Verify noise gain, closed-loop stability, capacitive loading, and output-current demand before selecting the final resistor and capacitor values.
The verified source identifies a 3 V to 20 V operating range, but the available output swing depends on the selected supply, load, and output stage. The 32 V typical peak-to-peak swing is tied to a +18 V positive supply and a 600 Ω load and must not be treated as rail-to-rail operation. Maintain the required positive and negative headroom for the selected single- or dual-supply configuration, bypass the supply pins close to the device, and verify the exact quiescent-current and output-current limits in the manufacturer data sheet.
Informations de conformité
The verified supplier listing describes NE5534DG as RoHS-compliant, lead-free, and green. No verified REACH, halogen-free, conflict-minerals, or automotive-qualification declaration was provided. AEC-Q100 is not applicable to the verified commercial-temperature product designation, but this is not an automotive-qualified alternative.
