NE5534ADR - 30V 10MHz Low-Noise Op Amp | Texas Instruments
MPN： NE5534ADR ✓ 啟用中NE5534ADR 概覽
An operational amplifier is an active analog component that amplifies the voltage difference between its inverting and non-inverting inputs while using negative feedback to control gain and bandwidth. The NE5534 belongs to the low-noise operational-amplifier category and therefore serves as a building block within the broader voltage-amplifier and signal-conditioning hierarchy. Its application role is to increase signal amplitude without adding substantial noise or distortion.
The principal device ratings are a 10 MHz unity-gain bandwidth and a maximum 30 V supply voltage. The manufacturer describes the NE5534 as a single amplifier intended specifically for audio applications. Its 38 mA output-current capability provides useful drive for moderate-load analog stages. The NE5534ADR ordering code also identifies the standard amplifier, single-circuit configuration, and 8-pin SOIC construction described for this part.
In an audio signal chain, the NE5534ADR can serve as a low-noise preamplifier, voltage follower, or buffer between a source and a downstream audio circuit. Its 10 MHz bandwidth provides ample signal-path capability for audio applications, while its low-noise design helps preserve the signal floor of high-fidelity equipment. The 38 mA output-drive specification makes it more suitable for these tasks than a strictly low-power micropower amplifier.
The NE5534ADR is also appropriate for general instrumentation, active filtering, and signal-conditioning designs where low noise, adequate bandwidth, and output drive are the main priorities. Because the device is a single amplifier, systems requiring several independent channels must use multiple devices and must account for each package separately during PCB planning.
When laying out an NE5534ADR circuit, place the input and output components close to their corresponding pins and maintain a common ground reference to minimize unwanted pickup. Decoupling capacitors should be positioned near the power pins. Designers must also observe the maximum 30 V supply rating and confirm the actual power-supply voltage, output swing, load, and thermal conditions against the manufacturer datasheet before production release.
直接替換替代品，適用於 NE5534ADR — 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： NE5534ADR （相同外形與佔位） — 差異在於 Package, Amplifier Type, Peak-to-Peak Output Voltage Swing, Slew Rate, Number of Circuits.
NE5534DR
✅ 直接替換聯絡詢價
查看資料表 →NE5534ADR2
✅ 直接替換聯絡詢價
查看資料表 →NE5534DRE4
✅ 直接替換聯絡詢價
查看資料表 →NE5534ADG4
✅ 直接替換📋 參考替代品（不在目錄中）
NE5534ADR 最大額定值與電氣特性
| Product Type | Single low-noise operational amplifier |
| Maximum Supply Voltage | 30 V |
| Gain-Bandwidth Product | 10 MHz |
| Output Current Capability | 38 mA |
| Number of Circuits | 1 circuit |
| Amplifier Type | General-purpose audio operational amplifier |
| 封裝 | 8-pin SOIC |
| Package Width | 3.90 mm |
| 安裝類型 | Surface mount |
NE5534ADR 腳位配置
| 腳位 1 | OFFSET NULL — Offset-voltage null adjustment terminal |
| 腳位 2 | INVERTING INPUT — Inverting signal input |
| 腳位 3 | NONINVERTING INPUT — Noninverting signal input |
| 腳位 4 | V- — Negative power-supply terminal |
| 腳位 5 | OFFSET NULL — Offset-voltage null adjustment terminal |
| 腳位 6 | OUTPUT — Analog output terminal |
| 腳位 7 | V+ — Positive power-supply terminal |
| 腳位 8 | NC — Not connected |
典型應用
NE5534ADR 適用於 6 應用s: Low-Noise Audio Preamplifier, Audio Mixing and Gain Stage, Active Audio Filter, Audio Buffer and Driver, General-Precision Signal Conditioning, Audio Codec Interface Support.
Low-Noise Audio Preamplifier
The NE5534ADR fits a low-noise audio preamplifier because Texas Instruments specifies the device for audio applications and combines a 10 MHz gain-bandwidth product with 38 mA output-current capability. It can amplify a source-level signal before conversion, mixing, or recording while keeping the circuit simple and surface-mountable. The 8-pin SOIC package supports compact analog boards, but the input-bias and noise characteristics must be checked against the source impedance. Decoupling should be placed near the supply pins, and the maximum 30 V supply rating must be respected.
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Audio Mixing and Gain Stage
The NE5534ADR is appropriate for a mixing-console gain stage that requires low-noise amplification and moderate output drive. Its 10 MHz bandwidth exceeds the bandwidth normally needed for baseband audio, while its 38 mA output-current capability provides more drive than a micropower precision amplifier. The single-amplifier configuration means each channel requires its own device. Feedback resistors should be placed close to the amplifier, and the PCB should minimize loop area and maintain a low-impedance ground return to reduce hum and channel crosstalk.
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Active Audio Filter
A NE5534ADR can implement an active crossover, equalizer, or anti-aliasing filter in an audio signal path. Its 10 MHz gain-bandwidth product provides design margin above audio frequencies, allowing the closed-loop response to be shaped with external resistors and capacitors rather than relying only on passive components. The 38 mA output-current capability helps drive the next stage, although the actual load must remain within the device limits. Designers should calculate gain-bandwidth, maximum output swing, and component tolerances, then prototype the filter response before production.
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Audio Buffer and Driver
The NE5534ADR is useful as a voltage follower or buffer when an audio source must drive a moderate downstream load. Its 38 mA output-current capability provides more drive than many low-noise micropower amplifiers, while the 10 MHz gain-bandwidth product preserves low-frequency and audio signal integrity. Configuring the device as a follower does not change its basic pin assignments, so the 8-pin SOIC layout remains straightforward. Verify the capacitive load, output swing, and stability requirements before placing it directly ahead of a long cable or reactive stage.
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General-Precision Signal Conditioning
NE5534ADR can be used in instrumentation and general-purpose signal-conditioning circuits where low noise and useful bandwidth are more important than minimum power consumption. The 30 V maximum supply rating accommodates conventional laboratory and industrial analog rails, while the 10 MHz gain-bandwidth product supports faster closed-loop designs than typical audio-only stages. Stable operation still depends on suitable feedback compensation, source impedance, and output loading. Use short signal paths, maintain continuous ground returns, and verify common-mode and output-swing limits against the manufacturer electrical characteristics.
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Audio Codec Interface Support
The NE5534ADR can provide buffering or gain around an audio codec interface when the codec requires a low-noise drive path. Its audio-focused design, 10 MHz gain-bandwidth product, and 38 mA output-current capability make it suitable for intermediate analog stages operating well below the upper bandwidth limit. Place the amplifier close to the relevant codec connection and keep the analog and digital return currents separated. Confirm the codec's input impedance, allowable DC offset, settling requirements, and output topology before finalizing the interface.
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推薦產品摘要
工程參考資料，適用於 NE5534ADR — 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 | NE5534DR | NE5534AD | NE5534DRE4 | NE5534ADG4 |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 8-SOIC | 8-SOIC - same | 8-SOIC - same | 8-SOIC - same | 8-SOIC - same |
| Number of Circuits | 1 circuit | 1 circuit | 1 circuit | 1 circuit | 1 circuit |
| Maximum Supply Voltage | 30 V | 30 V | 30 V | 30 V | 30 V |
| Gain-Bandwidth Product | 10 MHz | 10 MHz | 10 MHz | 10 MHz | 10 MHz |
| Device Grade | NE5534A | NE5534 | NE5534A | NE5534 | NE5534A |
| Primary Application | Audio | Audio | Audio | Audio | Audio |
| Mounting Type | Surface mount | Surface mount | Surface mount | Surface mount | Surface mount |
主要差異化特點
- Audio-focused single-amplifier configuration (對比NE5532DR)
- Full 30 V maximum supply capability (對比NE5534DR)
- 10 MHz bandwidth with 38 mA output capability (對比NE5534ADG4)
設計說明
Place the supply-bypass capacitor adjacent to the NE5534ADR supply pins and connect it to the amplifier ground reference with a short return path. Keep feedback resistors close to the input and output terminals to minimize parasitic capacitance and oscillation risk. Preserve the 8-pin SOIC pin-one orientation and use the manufacturer footprint rather than a generic 8-pin footprint.
Route the offset-null terminals directly to the adjustment network and avoid long traces around sensitive audio inputs. When the amplifier drives another analog stage, keep the output route short and provide a nearby return path to reduce coupling from switching converters and digital clocks. A continuous ground plane under the signal path generally gives lower-impedance return behavior than fragmented routing.
Do not exceed the 30 V maximum supply rating, and do not assume that every 8-pin SOIC NE5534 ordering code has identical grade-specific test limits. Confirm the exact device grade, temperature range, offset-null connections, and common-mode limits before substitution. Also check output swing against the actual load because the 38 mA output-current rating does not by itself guarantee the required voltage excursion.
For active filters and higher-gain stages, calculate closed-loop bandwidth from the 10 MHz gain-bandwidth product and verify stability with the intended source resistance and capacitive loading. Keep the feedback loop compact, use a ground reference that does not share high-current paths, and evaluate the completed circuit for oscillation and distortion before production.
合規資訊
The Texas Instruments product page identifies NE5534 as a 30 V, 10 MHz low-noise operational amplifier for audio applications. Specific environmental and material-compliance statements require confirmation in the manufacturer product page or current declaration documents.