MC3403N - Quad 30V 1MHz Op Amp | Texas Instruments
料号： MC3403N ✓ 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 |
MC3403N 概述
An operational amplifier is an analog integrated circuit that uses high-gain differential feedback to amplify the difference between two input voltages. The MC3403 belongs to the broader amplifier hierarchy: operational amplifier, analog IC, semiconductor, and general-purpose signal-conditioning component. Its quad construction reduces package count when a design needs several independent gain stages, buffers, or comparators.
The verified product information identifies wide supply-voltage support, a true differential input stage, internal frequency compensation, low input bias current, a Class AB output stage, and short-circuit protection. The 1 MHz gain-bandwidth product is suitable for general-purpose audio, control, and instrumentation circuits rather than precision or high-speed applications. Because all four amplifiers share one package, supply pins and exposed signal pins must be routed carefully on mixed analog and digital boards.
The 30 V supply capability permits operation from conventional single supplies or split dual supplies, making the device useful in legacy industrial, audio, and control designs. However, exact input common-mode limits, output swing, input offset voltage, supply-current, noise, and slew-rate values are not stated in the supplied verified excerpts; those parameters require confirmation in the manufacturer datasheet before final circuit sign-off.
Typical applications include four-channel audio preamplification, low-frequency active filtering, sensor-signal conditioning, industrial control loops, and general buffer or gain stages. In each case, the 1 MHz bandwidth should be compared with the closed-loop gain and required settling behavior. A four-amplifier package can reduce board area, but it does not eliminate the need to check common-mode range, output swing, stability, and supply-decoupling requirements at every amplifier section.
Design with a local bypass capacitor near the supply pins, maintain the required input common-mode range, and verify output-voltage headroom under the intended load. Do not infer precision performance from the word general-purpose. This product page consolidates the verified manufacturer identity, distributor listing, package, temperature range, supply rating, and replacement research while explicitly marking unavailable detailed electrical parameters.
The alternatives listed here are limited to candidates supported by the supplied cross-reference data and are presented as package-compatible engineering options; final qualification should confirm pinout, supply limits, input/output ranges, offset, bandwidth, slew rate, and lifecycle status against the selected manufacturer datasheet.
直接替换替代料： MC3403N ——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： MC3403N （相同外形与封装尺寸） ——差异在于 Operating Temperature Range, Package, Mounting Type, RoHS Status, Maximum Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
MC3403N
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MC3503N
✅ 直接替换📋 参考替代料（不在目录中）
MC3403PG
✅ 直接替换📋 参考替代料（不在目录中）
LM2902N
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.18 / 个
查看数据手册 →MC3403N 最大额定值与电气特性
| Product Type | Quad general-purpose operational amplifier |
| Number of Amplifiers | 4 |
| Maximum Supply Voltage | 30 V |
| Gain-Bandwidth Product | 1 MHz |
| 工作温度范围 | -25°C to 85°C |
| Supply Configuration | Single supply or dual supply |
| Input Stage | True differential input stage |
| Output Stage | Class AB output stage |
| Frequency Compensation | Internal frequency compensation |
| Short-Circuit Protection | Yes |
| 封装 | 14-pin PDIP |
| 安装类型 | Through-hole |
| RoHS 状态 | Compliant |
| Lead-Free Status | Lead-free |
MC3403N 14-pin pdip 引脚配置指南
MC3403N（14-pin pdip 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： MC3403N.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC3403N 适用于 6 应用s: General-Purpose Audio Preamplification, Sensor Signal Conditioning, Industrial Active Filtering, Legacy Control and Instrumentation, Low-Frequency Buffering and Gain Stages, Educational and Prototype Analog Circuits.
General-Purpose Audio Preamplification
The MC3403N fits low-frequency audio preamplifier and buffer stages when the circuit needs four general-purpose amplifier sections in one 14-pin PDIP. Its verified 1 MHz gain-bandwidth product provides useful bandwidth for many audio paths, while the 30 V supply rating supports conventional split-supply designs. The four amplifiers can implement gain, filtering, and impedance buffering without using four separate packages. Exact output swing, slew rate, noise, distortion, and common-mode limits must be checked in the complete datasheet before setting gain or loading an output.
推荐
Sensor Signal Conditioning
MC3403N can be used for low-frequency sensor conditioning when the sensor output remains inside the amplifier's input common-mode range and the required accuracy is compatible with a general-purpose op amp. The four sections allow cascading gain, level shifting, active filtering, and output buffering in a compact through-hole footprint. The verified 30 V supply ceiling and -25°C to 85°C operating range provide a useful starting envelope, but input bias current, offset voltage, noise, input impedance, and output swing are not specified in the supplied excerpts and must be verified from the manufacturer datasheet.
推荐
Industrial Active Filtering
The MC3403N is suitable for low-frequency active filter experiments and industrial control boards where four general-purpose amplifier sections can implement first or higher-order filter stages. Its 1 MHz gain-bandwidth product is far above many process-control bandwidths, but closed-loop gain still affects usable bandwidth and phase margin. The internally compensated architecture and Class AB output stage support general analog signal shaping, while the 14-pin PDIP package simplifies through-hole maintenance and legacy board reuse. Confirm stability, load capability, supply decoupling, and temperature behavior before production release.
推荐
Legacy Control and Instrumentation
MC3403N is a practical candidate for legacy instrumentation and control boards that require four general-purpose amplifiers, through-hole serviceability, and operation across a -25°C to 85°C range. It can combine instrumentation gain, comparator-like conditioning, actuator-interface buffering, and feedback paths in one package. The 30 V supply rating is useful for higher-voltage legacy systems, but the designer must still verify common-mode input range, output saturation, load current, and supply-current behavior from the complete datasheet before replacing an existing amplifier.
推荐
Low-Frequency Buffering and Gain Stages
Each MC3403N amplifier section can provide low-frequency voltage buffering or moderate closed-loop gain when the required loop bandwidth is below the device's verified 1 MHz gain-bandwidth product. A quad package is especially useful when a circuit needs several buffers distributed across a board, while centralized supply decoupling can reduce component count. The design should avoid treating the amplifier as an unlimited current source: output swing, load current, slew rate, stability, and thermal behavior require confirmation from the full manufacturer documentation, especially with capacitive or reactive loads.
推荐
Educational and Prototype Analog Circuits
MC3403N is well suited to educational and prototype analog designs because it combines four general-purpose operational amplifiers, a through-hole 14-pin PDIP package, and a verified 1 MHz gain-bandwidth product. Students can use the amplifiers for noninverting and inverting gain, active filters, integrators, oscillators, comparators, and buffer experiments without assembling four separate packages. The DIP format also makes inspection and replacement straightforward. For precision results, use the datasheet limits and provide stable bypassing, adequate output load margins, and careful common-mode voltage planning.
推荐
推荐产品汇总
工程参考数据： MC3403N ——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 | MC3403N | MC3503N | MC3403PG | LM2902N | LM2903N |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 14-pin PDIP | 14-DIP | 14-pin PDIP | 14-pin PDIP | 14-pin PDIP | 14-pin PDIP |
关键差异点
- Four general-purpose amplifier sections in one 14-pin PDIP （对比 NE5532D)
- Verified 30 V maximum supply rating and 1 MHz bandwidth （对比 MC3503N)
- Legacy through-hole integration （对比 LM2902D)
- Internal frequency compensation and Class AB output stage （对比 LM2902N)
设计说明
Place a supply bypass capacitor as close as practical to the package supply pins, and route the return directly to the device ground. The verified data confirms single- and dual-supply operation and a 30 V maximum supply rating, but it does not provide a recommended capacitor value, ESR, minimum supply voltage, or quiescent current. Obtain those values from the complete manufacturer datasheet before laying out the PCB, and verify the supply rail does not exceed the device rating during transients.
Keep sensitive input and feedback traces short and route them away from high-current output paths and switching nodes. Because MC3403N contains four amplifier sections in one 14-pin PDIP, check each section's supply and ground connection independently rather than assuming the package is internally isolated. Use a stable ground reference, avoid long parallel feedback loops, and maintain adequate spacing between adjacent high-impedance inputs to reduce parasitic coupling.
Do not assume that a 1 MHz gain-bandwidth product guarantees acceptable operation at every gain, load, or frequency. Closed-loop bandwidth changes with gain, and capacitive loading can affect stability. Confirm the input common-mode range, output swing, offset voltage, bias current, slew rate, maximum load, and supply-current limits from the complete datasheet. For a replacement, compare pin names and electrical limits rather than relying only on the MC3403 family name or the 14-DIP package.
合规信息
The supplied distributor result describes the MC3403N source as RoHS-compliant and lead-free. REACH, AEC-Q100, halogen-free, and conflict-minerals status are not independently provided in the verified data.