NE5534DG - 10 MHz Low-Noise Single Op Amp | onsemi
MPN： NE5534DG ✓ 啟用中NE5534DG 概覽
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.
直接替換替代品，適用於 NE5534DG — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： NE5534DG （相同外形與佔位） — 差異在於 Amplifier Type, Package, Packaging, Slew Rate.
NE5534DR2G
✅ 直接替換聯絡詢價
查看資料表 →NJM5534D
✅ 直接替換📋 參考替代品（不在目錄中）
NE5534DG 最大額定值與電氣特性
| 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 |
| 封裝 | 8-pin SOIC, 0.154 in (3.90 mm) width |
| Packaging | Tube |
| Terminal Count | 8 terminals |
| 安裝方式 | Surface mount |
| Temperature Grade | Commercial |
| RoHS 狀態 | Compliant |
| Lead-Free Status | Lead-free |
| Green Product Status | Green |
NE5534DG 8-pin soic, 0.154 in (3.90 mm) width 腳位配置指南
NE5534DG（8-pin soic, 0.154 in (3.90 mm) width 封裝）的腳位配置。 此類比元件具有輸入、輸出與電源腳位。偏移歸零、補償與致能腳位配置請參閱製造商資料表。適用於訊號調理與放大器電路。
無詳細腳位定義資料： NE5534DG.
請參閱 資料表 以查看完整腳位配置。
典型應用
NE5534DG 適用於 6 應用s: 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.
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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.
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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.
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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.
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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.
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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.
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推薦產品摘要
工程參考資料，適用於 NE5534DG — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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 |
主要差異化特點
- Low-noise input suitable for audio and measurement stages (對比NJM5534D)
- Verified 10 MHz gain-bandwidth product (對比NE5534DR2G)
- Tube-packaged onsemi ordering option (對比NE5534DR2G)
- 13 V/µs typical slew rate for audio-band dynamics (對比NJM5534D)
設計說明
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.
合規資訊
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.
