NE5534DR2 - 10 MHz Low-Noise Op Amp | onsemi
料号： NE5534DR2 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
NE5534DR2 概述
A low-noise operational amplifier is a voltage-feedback amplifier optimized to minimize input-referred voltage noise while providing useful open-loop gain and signal swing. Within the electronics hierarchy, an operational amplifier is an analog integrated circuit and a building block of the larger amplifier and signal-conditioning ecosystem. Common uses include microphone preamplification, audio mixing, active filters, instrumentation, buffering, and small-signal amplification. Its low noise makes it particularly appropriate when the source impedance and signal bandwidth are low enough that amplifier noise materially affects the result.
The principal verified features include 3.5 nV/√Hz typical voltage-noise density, a 10 MHz typical gain-bandwidth product, and a 13 V/µs typical slew rate. Search results also report approximately 100 dB typical high DC voltage gain, 10 MHz typical common-mode rejection, and a wide supply-voltage range. These characteristics balance bandwidth and noise better than a general-purpose precision amplifier intended mainly for low-frequency measurement. They do not, however, establish rail-to-rail input or output operation, input bias current, settling time, or output-current capability; those values require the manufacturer datasheet.
The NE5534 family architecture is suited to non-inverting and inverting closed-loop stages, active filters, integrators, and voltage followers. Because it is a single amplifier, systems requiring matched or dual channels must use two devices. The SOIC footprint simplifies conventional surface-mount assembly, while exposed-pad thermal improvement is absent. Designers should therefore provide normal copper routing and verify drive demand against the latest datasheet limits.
Typical audio uses include low-noise preamp stages, mixing-console channels, active EQ networks, and line-level buffers. Instrumentation uses include low-frequency sensor conditioning when 10 MHz bandwidth is more than adequate and source noise remains dominant. The amplifier can also serve as a general low-noise gain stage in laboratory equipment where a 3.5 nV/√Hz noise-density figure is preferable to a wider-band but noisier device.
The primary design trade-off is bandwidth versus noise floor. Running near the full 10 MHz gain-bandwidth product may amplify wideband noise and create stability sensitivity. Keep sensitive audio nodes in the passband appropriate to the signal, provide stable feedback compensation, and observe the recommended bypass and decoupling arrangement from the manufacturer documentation.
This product data consolidates verified distributor specifications, source links, package details, and replacement constraints into an engineering-focused reference. Unlike a bare manufacturer listing, it separates confirmed values from unavailable parameters and requires genuine same-package, pin-compatible replacements rather than merely similar audio amplifiers.
直接替换替代料： NE5534DR2 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： NE5534DR2 （相同外形与封装尺寸） ——差异在于 Package, Slew Rate.
快速对比工具——选择替代料号进行并排对比：
NE5534DR2G
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →NE5534ADR2G
✅ 直接替换📋 参考替代料（不在目录中）
NE5534ADG
✅ 直接替换📋 参考替代料（不在目录中）
NE5534DR2 最大额定值与电气特性
| Amplifier Type | General Purpose |
| Number of Circuits | 1 circuit |
| Channel Count | 1 channel |
| Gain-Bandwidth Product | 10 MHz typical |
| Input Voltage Noise Density | 3.5 nV/√Hz typical |
| Slew Rate | 13 V/µs typical |
| DC Voltage Gain | 100 dB typical |
| Common-Mode Rejection Ratio | 10 MHz typical specification context; CMRR value not stated |
| Supply Voltage Range | 3 V to 20 V |
| 封装 | 8-SOIC, 0.154 inch (3.90 mm) width |
| 安装类型 | Surface mount |
| Shipping Package | Tape and reel (TR) |
NE5534DR2 tape and reel (tr) 引脚配置指南
NE5534DR2（tape and reel (tr) 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： NE5534DR2.
请参阅 数据手册 以查看完整引脚配置。
典型应用
NE5534DR2 适用于 6 应用s: Audio Microphone Preamplifier, Audio Mixing Amplifier, Active Audio Filter, Precision Sensor Signal Conditioning, Active Instrumentation Buffer, Line-Level Output Buffer.
Audio Microphone Preamplifier
The NE5534DR2 fits low-noise microphone preamplifier stages because its verified 3.5 nV/√Hz typical input-voltage noise density limits amplifier-generated noise, while 10 MHz typical gain-bandwidth product and 13 V/µs typical slew rate provide useful signal-path headroom. The circuit is normally configured with inverting or non-inverting feedback, and resistor values should be selected so source impedance, resistor noise, and the target closed-loop gain do not dominate performance. Keep the useful audio band below the closed-loop bandwidth limit and verify common-mode and output-swing margins against the manufacturer datasheet. This is preferable to a wider-band but noisier amplifier when low source impedance makes input-referred noise the limiting factor.
推荐
Audio Mixing Amplifier
The NE5534DR2 is suitable for line-level audio mixing because its 3.5 nV/√Hz typical noise density supports quiet gain handling and its 13 V/µs typical slew rate reduces large-signal slew limitations. Use it in a conventional inverting summing stage or another feedback-defined topology, paying attention to resistor-network noise and the noise contribution of every summing path. The 10 MHz typical gain-bandwidth product is substantially above most audio needs, allowing useful design margin, but it does not remove distortion limits imposed by output current, load, or supply voltage. Verify the available output swing under worst-case channel signals and terminate unused inputs according to the selected implementation.
推荐
Active Audio Filter
The NE5534DR2 can implement active EQ, low-pass, or other audio-filter sections where 10 MHz typical gain-bandwidth product provides bandwidth above the audible band and 3.5 nV/√Hz typical noise density supports low-noise amplification. Component tolerances and op-amp finite gain-bandwidth behavior determine the realized filter response, so simulation should include the intended closed-loop gain and load. The 13 V/µs typical slew rate helps avoid slope-rate limiting on larger transients, but close signal levels must remain within the verified output-swing envelope. A dual NE5532-family device may simplify linked channels, whereas a single NE5534DR2 keeps each section independently selectable.
推荐
Precision Sensor Signal Conditioning
The NE5534DR2 is appropriate for low-frequency sensor conditioning when source resistance is low enough for its 3.5 nV/√Hz typical input noise to remain useful and the 10 MHz gain-bandwidth product exceeds the required signal bandwidth. Place it after a suitable sensor interface in a non-inverting gain stage or differential filter network, and assess whether input bias current produces unacceptable offset because that parameter was not provided in the verified snippets. Gain, common-mode range, output swing, and stability must be checked against the exact operating point. Compared with a precision DC amplifier, the NE5534DR2 offers more bandwidth but should not be selected without reviewing offset, drift, and bias-current requirements.
推荐
Active Instrumentation Buffer
The NE5534DR2 can buffer or gain low-level laboratory signals because its 3.5 nV/√Hz typical voltage-noise density and approximately 100 dB typical DC gain provide useful low-noise signal conditioning. The 10 MHz typical gain-bandwidth product permits operation beyond audio frequencies, while the 13 V/µs typical slew rate supports faster transitions than the bandwidth alone would imply. A voltage-follower implementation simplifies the circuit but requires the datasheet to confirm unity-gain stability and capacitive-load behavior, neither of which was supplied here. Keep sensor leads short, use low-noise feedback resistors, and include adequate input filtering to limit out-of-band noise and amplifier instability.
推荐
Line-Level Output Buffer
The NE5534DR2 is practical as a line-level audio output buffer where low voltage noise and adequate slew rate are important. Its 3.5 nV/√Hz typical input-noise density helps preserve quiet program material, while the 13 V/µs typical slew rate provides margin for ordinary audio transients. The 10 MHz bandwidth is not the main design target; instead, verify output-current capability, load impedance, output swing, and stability because those values are not available in the supplied snippets. Add the output isolation or gain-setting network required by the destination equipment, and place any compensation according to the manufacturer guidance rather than assuming the SOIC device can drive arbitrary capacitive loads directly.
推荐
推荐产品汇总
工程参考数据： NE5534DR2 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | NE5534DR2G | NE5534ADR2G | NE5534ADG |
|---|---|---|---|---|
| Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Brand | onsemi | onsemi | onsemi | onsemi |
| Amplifier Type | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 1 | 1 | 1 | 1 |
关键差异点
- Verified low-noise performance （对比 General-purpose higher-bandwidth alternatives not identified in the supplied cross-reference data)
- Closest identified ordering-code alternative （对比 NE5534DR2G)
- Audio-oriented transient capability （对比 Lower-bandwidth precision amplifiers not verified as drop-in replacements)
设计说明
Do not equate the 3.5 nV/√Hz typical input-noise figure with total circuit noise. Estimate the resistor-network contribution from the parallel resistance at each input and confirm source impedance, because a high-impedance microphone or sensor can make external noise dominate. Also verify input bias current and common-mode limits in the exact datasheet; those values were not present in the verified snippets.
Place supply bypass capacitors close to the amplifier power and ground pins, and keep the feedback loop compact to minimize parasitic coupling. For a non-inverting stage, return the inverting input through a short, low-impedance feedback trace. For an inverting stage, keep the input and feedback impedances physically close to the device so board capacitance does not add excessive gain at 10 MHz typical gain-bandwidth product.
Use the 10 MHz typical gain-bandwidth product as a closed-loop design constraint, not a promise of usable 10 MHz precision. Higher closed-loop gain reduces bandwidth, while capacitive loading and source impedance can affect stability. Filter wideband noise before the amplifier when possible and check the exact manufacturer guidance before adding isolation resistors or driving long cable capacitance.
Design the supply rail and output path around the required signal amplitude rather than nominal supply voltage alone. The 13 V/µs typical slew rate indicates large-signal response capability, but output-current and output-swing limits were not supplied. Confirm both from the datasheet at the highest load and temperature, and include additional headroom when driving lower-impedance audio or instrumentation loads.
合规信息
The supplied snippets do not contain verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations for NE5534DR2.
