MCP609-I/P - 155 kHz Micropower Quad Op Amp | Microchip
MPN： MCP609-I/P ✗ 停產MCP609-I/P 概覽
A CMOS operational amplifier is an analog signal-conditioning semiconductor that uses high-input-impedance active circuitry to amplify voltage differences. The MCP609 belongs to the hierarchy CMOS op amp -> operational amplifier -> analog amplifier -> integrated circuit. Its four internal channels can buffer, amplify, filter, or perform basic analog calculations while operating from a single low-voltage supply.
According to Microchip's official product page, key characteristics include 155 kHz gain-bandwidth, 18.7 uA typical operating current, offset voltage below 250 uV, low bias current, high open-loop gain, and rail-to-rail output swing. Rail-to-rail output improves usable output range on low-voltage supplies, while the micropower architecture limits current draw in battery-powered and portable systems. The exact input common-mode range, output-current capability, slew rate, and noise figures were not supplied in the verified excerpts and require confirmation from the manufacturer datasheet.
The MCP609-I/P is intended for single-supply operation between 2.5 V and 6.0 V. Its CMOS process supports low power consumption and rail-to-rail output behavior, but designers should still check input range, output drive, stability, and load compatibility against the complete datasheet. The -I/P ordering suffix indicates the supplied package and commercial temperature designation, but exact suffix-specific limits should be verified before production release.
Typical uses include portable sensor interfaces, low-voltage signal conditioning, audio and communication circuits, battery-powered instrumentation, and general-purpose buffering. One package provides four amplifiers, which can reduce external component count and simplify routing in systems requiring several low-frequency analog channels. The 155 kHz bandwidth is suitable for low-frequency conditioning rather than demanding high-speed signal processing.
For robust layouts, keep input and feedback paths short, route sensitive inputs away from switching nodes, provide local supply bypassing, and check output loading against the datasheet limits. Because the verified material does not provide complete pin names, electrical limits, or a manufacturer PDF URL, those fields remain explicitly marked or null instead of being inferred. This page combines the verified product claims with cautious application guidance and identifies where datasheet confirmation is required.
This MCP609-I/P page consolidates the official manufacturer description, distributor identification, pricing reference, and design-oriented context so engineers can quickly evaluate a quad micropower op amp for low-voltage analog systems. Use the listed data sources and obtain the current manufacturer datasheet before committing to a design.
直接替換替代品，適用於 MCP609-I/P — 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： MCP609-I/P （相同外形與佔位） — 差異在於 Input Offset Voltage, Package, Product Type.
此產品無可直接替換的替代品。
申請替代品MCP609-I/P 最大額定值與電氣特性
| Product Type | Quad CMOS operational amplifier |
| Number of Amplifiers | 4 circuits |
| Gain-Bandwidth Product | 155 kHz |
| Typical Operating Current | 18.7 uA |
| Input Offset Voltage | Less than 250 uV |
| Supply Voltage Range | 2.5 V to 6.0 V |
| Supply Type | Single supply |
| Output Swing | Rail-to-rail output swing |
| 封裝 | 14-pin PDIP |
| 安裝類型 | Through-hole |
| RoHS 狀態 | unknown |
| REACH Status | unknown |
MCP609-I/P 14-pin pdip 腳位配置指南
MCP609-I/P（14-pin pdip 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： MCP609-I/P.
請參閱 資料表 以查看完整腳位配置。
典型應用
MCP609-I/P 適用於 6 應用s: Battery-Powered Sensor Signal Conditioning, Portable Medical Instrumentation, Low-Voltage Audio Preamplification, Industrial Control and Data Acquisition, Battery-Powered Communication Interfaces, Portable Test and Measurement Equipment.
Battery-Powered Sensor Signal Conditioning
The MCP609-I/P fits low-voltage sensor front ends because Microchip specifies 2.5 V to 6.0 V single-supply operation, 18.7 uA typical operating current, and four amplifiers in one package. A designer can use the channels for buffering, gain shaping, level translation, and active filtering around resistive or bridge-based sensors. The 155 kHz gain-bandwidth product is appropriate for many low-frequency sensing paths, while the low operating current helps preserve battery life. Before release, verify the input common-mode range, bias current, output drive, noise, and sensor-specific accuracy requirements in the complete datasheet.
推薦
Portable Medical Instrumentation
The MCP609-I/P can support low-power analog sections of portable medical or diagnostic instruments when the signal bandwidth is modest. Four integrated channels reduce the number of separate amplifier packages, and the 18.7 uA typical operating current is attractive for battery-operated equipment. Rail-to-rail output swing can help use the available supply range, but it does not by itself establish medical suitability. Designers must confirm noise, offset, common-mode range, stability, creepage-related board considerations, and all applicable regulatory requirements using the complete manufacturer documentation.
推薦
Low-Voltage Audio Preamplification
The MCP609-I/P is suitable for low-frequency audio preamplification or line-stage conditioning when the application does not require high-frequency performance beyond the 155 kHz gain-bandwidth product. The rail-to-rail output characteristic provides additional output headroom on 2.5 V to 6.0 V supplies, while the quad package allows several gain or buffer stages to be consolidated. Input and output loading, distortion, noise, and maximum signal amplitude must be verified because those figures were not included in the supplied excerpts. Decoupling and feedback-loop layout remain important at audio frequencies.
推薦
Industrial Control and Data Acquisition
The MCP609-I/P can be used for low-power conditioning of slow industrial control signals, transducer outputs, and test points. Its four-channel arrangement can implement multiple buffers or amplifiers while keeping the supply architecture simple, and the 18.7 uA typical operating current can be valuable in distributed measurement nodes. The industrial designer should verify the exact temperature range, offset behavior over temperature, input protection needs, noise, and output-current capability. Protection, grounding, and isolation are system-level requirements that are not established by the verified product snippets.
推薦
Battery-Powered Communication Interfaces
The MCP609-I/P may be used in low-speed, low-power communication-interface circuits such as audio, control, or sensor-link conditioning where the signal bandwidth stays within the amplifier's 155 kHz gain-bandwidth capability. The single 2.5 V to 6.0 V supply range simplifies portable-system rails, and rail-to-rail output can improve signal swing. Designers must separately validate common-mode input limits, output drive, noise, channel-to-channel behavior, and stability. The package does not replace the transceiver or filtering requirements of a complete communication link.
推薦
Portable Test and Measurement Equipment
The MCP609-I/P can serve as a quad amplifier resource in compact, low-frequency measurement front ends where four buffered or conditioned channels are needed. The quad PDIP package supports through-hole prototyping and repair, while the micropower operating current is useful in handheld instruments. A practical design should use the 155 kHz bandwidth as an upper design consideration rather than assuming adequate bandwidth for every waveform. Confirm input impedance, output current, noise, offset drift, and operating temperature before selecting resistor values and calibration limits.
推薦
推薦產品摘要
工程參考資料，適用於 MCP609-I/P — 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 | MCP609T-I/SL |
|---|---|---|
| Amplifier Configuration | Quad CMOS operational amplifier | Quad CMOS operational amplifier |
| Gain-Bandwidth Product | 155 kHz | 155 kHz family specification |
| Typical Operating Current | 18.7 uA | 18.7 uA family specification |
| Input Offset Voltage | Less than 250 uV | Less than 250 uV family specification |
| Supply Voltage Range | 2.5 V to 6.0 V | 2.5 V to 6.0 V family specification |
| Output Swing | Rail-to-rail output swing | Rail-to-rail output swing |
| Package | 14-pin PDIP | 14-pin SOIC; not the same physical footprint |
| Brand | Microchip Technology | Microchip Technology |
主要差異化特點
- Four amplifiers in one package (對比LM358N)
- Low-voltage micropower positioning (對比MCP609T-I/SL)
- Rail-to-rail output swing (對比LM358N)
設計說明
Estimated: using the verified typical operating current of 18.7 uA and a 3.3 V supply, the device-level supply power is approximately 61.71 uW, calculated as 3.3 V multiplied by 18.7 uA. This is only an estimate because the verified excerpts do not define whether the current is per channel or per package and do not include load-dependent consumption. Confirm the test conditions and add external-load current to the complete power budget.
Keep supply and ground connections short, place local bypass capacitors near the device power pins, and route high-impedance input and feedback nets away from switching traces. The MCP609-I/P uses a through-hole PDIP package, which can help prototype and repair, but longer leads do not eliminate the need for careful analog layout. Verify the final pin map and decoupling recommendations in the complete manufacturer datasheet.
Do not assume that rail-to-rail output also means rail-to-rail input. The verified material confirms rail-to-rail output swing but does not provide the input common-mode range, so sensor signals near either supply rail require direct datasheet confirmation. Likewise, confirm output-current capability, noise, distortion, and stability for the intended load before selecting the MCP609-I/P as a drop-in substitute for a different amplifier.
合規資訊
The verified product and distributor snippets do not provide authoritative RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. Obtain the current manufacturer product documentation or declaration for compliance verification.