MCP632-E/MF - Dual 24MHz R-R Op Amp | Microchip
部品番号: MCP632-E/MF ✓ 生産中MCP632-E/MF 概要
An operational amplifier is a voltage-gain amplifier used to amplify differential signals, buffer high-impedance sources, compare voltages, and drive downstream circuits. The MCP632 belongs to the broader operational-amplifier hierarchy, where it combines low-noise analog signal conditioning with high bandwidth and rail-to-rail output operation. Rail-to-rail output allows the amplifier to approach its supply-voltage limits more closely than a conventional fixed-output amplifier, improving dynamic range in low-voltage systems.
The MCP632-E/MF provides two amplifiers in one package, a 24 MHz typical gain-bandwidth product, and a 10 V/us typical slew rate. Its typical output-voltage noise is 10 nV/Hz at 1 MHz, making it useful for signals where amplifier noise must remain below the signal of interest. The family also includes an enable or shutdown capability according to the manufacturer product information, allowing unused channels or complete amplifier sections to enter a reduced-power operating state.
Each amplifier uses CMOS circuitry and provides rail-to-rail output operation. The combination of moderate supply current, high short-circuit current, and a 24 MHz bandwidth places the device between precision low-noise amplifiers and lower-cost general-purpose parts. Closed-loop gain, output loading, supply voltage, and output-capacitance tolerance determine the achievable response and stability. The exposed-pad package provides a direct thermal path into the PCB, allowing copper area beneath the device to improve heat dissipation without changing the electrical function of the pad.
Typical applications include sensor-signal conditioning, portable instrumentation, low-side current measurement, analog filtering, and general-purpose dual-amplifier buffers. The dual configuration is particularly useful when two related channels must use identical amplifiers, such as differential sensing or gain stages. Its rail-to-rail output also suits low-voltage systems in which maximizing usable signal swing is more important than accepting a fixed output-voltage offset.
The primary design consideration is output stability when driving capacitive loads. Feedback compensation, isolation resistors, and conservative gain settings should be selected by examining the gain-bandwidth and slew-rate behavior in the circuit. The exposed pad must be connected to the appropriate ground plane and thermal copper according to the manufacturer package guidance. Input and output traces should be kept short and separated from switching-current paths to reduce coupling and maintain the amplifier's low-noise performance.
This product page combines the manufacturer family information with practical guidance on package layout, signal conditioning, bandwidth, noise, thermal management, and qualification for a direct replacement. It also identifies the limits of available drop-in cross-references so engineers can distinguish documented compatibility from assumptions based only on similar amplifier specifications.
ドロップイン代替品: MCP632-E/MF — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
MCP632T-E/MF
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MCP632-E/MF 最大定格＆電気的特性
| Amplifier Type | General-purpose operational amplifier |
| Number of Circuits | 2 circuits |
| Technology | CMOS |
| Gain-Bandwidth Product | 24 MHz typical |
| Slew Rate | 10 V/us typical |
| 電源電流 | 2.5 mA typical |
| Short-Circuit Current | 70 mA typical |
| Voltage Noise Density | 10 nV/Hz typical at 1 MHz |
| 出力タイプ | Rail-to-rail output |
| パッケージ | 8-DFN exposed pad, 3 x 3 mm |
| 実装タイプ | Surface mount |
| Power Control Feature | Enable or shutdown function |
| ESD Protection | 8 mV stated in manufacturer feature listing |
MCP632-E/MF 8-dfn exposed pad, 3 x 3 mm ピン配置ガイド
MCP632-E/MF (8-dfn exposed pad, 3 x 3 mm パッケージ) のピン配置。 このアナログコンポーネントは、入力、出力、および電源ピンを備えています。オフセットナル、補償、イネーブルピンの設定については、メーカーのデータシートを参照してください。信号調整やアンプ回路に最適です。
詳細なピン配置データはありません: MCP632-E/MF.
詳細は データシート をご参照ください。
主な用途
MCP632-E/MF の用途: 6 件s: Portable Sensor Signal Conditioning, Low-Side Current Measurement, Analog Filter and Active Gain Stages, Low-Voltage Instrumentation, Industrial Control and Monitoring, Audio and Communication Interface Buffers.
Portable Sensor Signal Conditioning
The MCP632-E/MF fits portable sensor front ends that require two amplifiers for gain and filtering within a compact footprint. Its 24 MHz typical gain-bandwidth product provides bandwidth for signals above the slow DC or low-frequency range common to resistive sensors, while the 10 V/us typical slew rate helps preserve large-signal response. Rail-to-rail output improves available swing in low-voltage systems. The 2.5 mA typical supply current is also relevant to battery-powered equipment, although the complete signal path should be evaluated for total power. Because the exposed pad is part of the 8-DFN package, a thermal and ground pad should be included in the PCB layout according to the manufacturer guidance.
Low-Side Current Measurement
The MCP632-E/MF can amplify the small voltage produced by a low-side shunt when the amplifier input range and supply limits satisfy the operating point. Two channels may support current measurement and a related voltage or temperature signal, while the 24 MHz typical gain-bandwidth product gives more bandwidth than is normally required by a static current loop. The 10 nV/Hz typical voltage-noise density at 1 MHz can help preserve weak-signal integrity. Layout remains critical: the shunt should be placed close to the amplifier ground return, and Kelvin routing should keep high-current copper from sharing the sensitive input path.
Analog Filter and Active Gain Stages
The MCP632-E/MF is appropriate for second-order active filters and moderate-gain stages where a 24 MHz typical gain-bandwidth product is useful. Its dual-channel arrangement allows cascaded sections or two coordinated filters, while rail-to-rail output can increase signal headroom in compact systems. The 10 V/us typical slew rate supports higher-frequency and larger-amplitude signals than low-bandwidth precision amplifiers. Component tolerances and the actual gain-versus-frequency response determine filter accuracy. Capacitive loading at the output can affect stability, so output-isolation resistors should be considered when driving long PCB traces, ADC inputs, or cable capacitance.
Low-Voltage Instrumentation
The MCP632-E/MF fits portable and desktop instrumentation requiring two general-purpose analog channels in a small 8-DFN exposed-pad package. The dual topology reduces the component count when processing related inputs, while the 24 MHz typical gain-bandwidth product and 10 V/us typical slew rate support faster measurement loops than a conventional low-speed precision amplifier. Its 2.5 mA typical supply current helps control consumption in portable instruments. For accurate acquisition, pair the amplifier with an ADC whose input range, sampling characteristics, and acquisition requirements are appropriate for the source, and keep sensitive traces away from digital return currents.
Industrial Control and Monitoring
The MCP632-E/MF is useful in industrial monitoring modules that amplify sensor outputs, condition control signals, or buffer inputs for a controller. Its CMOS implementation, 24 MHz typical gain-bandwidth product, and rail-to-rail output provide a practical combination for compact signal paths, while the short-circuit current of 70 mA typical provides additional output-drive capability. The exposed-pad package supports heat spreading through PCB copper when the amplifier dissipates power, and the enable or shutdown function can assist power management in applicable family configurations. Industrial product qualification should be checked separately from general commercial specifications.
Audio and Communication Interface Buffers
The MCP632-E/MF can serve as a high-speed buffer or gain stage in audio, communications, and interface subsystems where the 24 MHz typical gain-bandwidth product is higher than required by a basic precision op amp. Rail-to-rail output supports operation near the available supply range, and the dual channel can buffer two related nodes. The 10 V/us typical slew rate is adequate for many low-to-moderate bandwidth signals, but it does not by itself guarantee low distortion into every capacitive or long-line load. Output isolation, controlled feedback compensation, and a short return path to the quiet ground plane are important for preserving signal quality.
エンジニアリング参考データ: MCP632-E/MF — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 |
|---|---|
| Amplifier Type | General-purpose dual CMOS operational amplifier |
| Number of Circuits | 2 circuits |
| — | — |
| Package | 8-DFN exposed pad, 3 x 3 mm |
| Brand | Microchip Technology |
| Gain-Bandwidth Product | 24 MHz typical |
| Slew Rate | 10 V/us typical |
| Supply Current | 2.5 mA typical |
| Voltage Noise Density | 10 nV/Hz typical at 1 MHz |
| Short-Circuit Current | 70 mA typical |
| Output Type | Rail-to-rail output |
主な差別化要因
- High bandwidth for a general-purpose dual amplifier （vs MCP633-E/SN)
- Dual-channel integration in a compact package （vs A discrete pair of single amplifiers)
- Low-noise performance for compact signal paths （vs A slower general-purpose dual op amp)
設計ノート
Follow the Microchip package drawing for the 8-DFN exposed-pad connection and thermal design. Place the device close to the signal source, route inputs away from switching nodes and return currents, and provide a continuous ground plane beneath the package. Keep input traces short and use a quiet ground return so the 10 nV/Hz typical voltage-noise performance can be realized in a practical board.
Do not assume that a similarly rated amplifier is pin-compatible. Check every numbered terminal, the exposed pad, enable or shutdown logic, supply limits, input common-mode range, and output-swing behavior. Also verify stable operation at the intended closed-loop gain and with the actual output capacitance. A successful footprint match alone does not establish functional drop-in equivalence.
When driving an ADC, connector, or long trace, evaluate capacitive loading because the 24 MHz typical gain-bandwidth product and 10 V/us typical slew rate do not guarantee stability into every load. Use conservative gain settings, place feedback components close to the device, and add a small isolation resistor at the output if testing reveals ringing or excessive overshoot.
コンプライアンス情報
The manufacturer family information does not state the requested compliance attributes for this ordering code. The -E suffix is not used here as a substitute for a formal lead-free or RoHS declaration.
