MCP603-E/P - 2.8MHz Low-Power CMOS Op Amp | Microchip
料号： MCP603-E/P ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0.7393 | $0.74 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MCP603-E/P 概述
An operational amplifier, or op amp, is an analog signal-conditioning semiconductor that uses high open-loop gain to amplify voltage differences. The MCP603 belongs to the voltage-feedback amplifier family within analog and mixed-signal ICs. Its rail-to-rail output can approach the supply limits, making it useful in low-voltage battery-powered systems where conventional output-swing limitations would reduce usable signal range.
Key features include a 2.8 MHz typical gain-bandwidth product, a 2.3 V/us typical slew rate, unity-gain stability, low input offset voltage below 2 mV, and low typical operating current of 230 uA. The manufacturer describes the device as operating down to 2.7 V while drawing less than 325 uA quiescent current. Its CMOS process provides low bias current, high-speed operation, high open-loop gain, and rail-to-rail output swing.
The amplifier is suited to buffer, amplifier, comparator-style, and general analog-signal conditioning circuits. Because the MCP603 is unity-gain stable, it can be used as a voltage follower without compensation external components. The 2.8 MHz bandwidth provides substantially more signal bandwidth than very-low-power micropower amplifiers while retaining a compact low-power operating point.
Typical applications include portable measurement equipment, sensor interfaces, buffered ADC inputs, low-voltage audio and communication circuitry, current or voltage monitoring, and battery-powered instrumentation. The 8-pin PDIP package makes the MCP603-E/P convenient through-hole assembly and prototype construction, although production designs should account for package parasitics and PCB cleanliness.
Designers should verify the exact input common-mode limits, output swing, offset, noise, and supply-current limits against the Microchip MCP603 datasheet before finalizing a design. The chip-select feature and rail-to-rail output behavior should be checked against the system power-sequencing requirements. If the application requires higher precision, lower offset, faster response, or smaller surface-mount packaging, a different amplifier should be selected rather than assuming functional interchangeability.
This page consolidates distributor and manufacturer information for MCP603-E/P, providing practical application context, verified package details, and a cautious replacement framework focused on same-footprint alternatives rather than unsupported cross-package substitutions.
直接替换替代料： MCP603-E/P ——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： MCP603-E/P （相同外形与封装尺寸） ——差异在于 Output Swing, Product Type, Supply Voltage Range, Typical Operating Current.
快速对比工具——选择替代料号进行并排对比：
MCP601-E/P
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MCP603-E/P 最大额定值与电气特性
| Product Type | Single general-purpose CMOS operational amplifier |
| Number of Circuits | 1 |
| Supply Voltage Range | 2.7 V to 6.0 V |
| Typical Gain-Bandwidth Product | 2.8 MHz |
| Typical Slew Rate | 2.3 V/us |
| Typical Operating Current | 230 uA |
| Maximum Stated Quiescent Current | Less than 325 uA |
| Input Offset Voltage | Less than 2 mV |
| Output Swing | Rail-to-rail output |
| Gain Configuration | Unity-gain stable |
| Control Feature | Chip select |
| 封装 | 8-pin PDIP |
| Package Dimensions | 0.300 inch, 7.62 mm |
| 安装类型 | Through-hole |
| Process Technology | Advanced CMOS |
| Application Class | Standard general-purpose amplifier |
MCP603-E/P 0.300 inch, 7.62 mm 引脚配置指南
MCP603-E/P（0.300 inch, 7.62 mm 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： MCP603-E/P.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCP603-E/P 适用于 6 应用s: Low-Voltage Sensor Signal Conditioning, Portable Battery Measurement, Buffered ADC Input, Voltage and Current Monitoring, General Analog Signal Buffer, Audio and Communication Front Ends.
Low-Voltage Sensor Signal Conditioning
The MCP603-E/P fits sensor front ends that require amplification and buffering from low-voltage supplies because it operates down to 2.7 V and provides rail-to-rail output swing. Its 2.8 MHz typical gain-bandwidth product is sufficient for many general-purpose sensor signals, while the 230 uA typical operating current helps limit power in portable equipment. Place the amplifier close to the sensor or connector when possible to reduce noise pickup, and verify the actual input common-mode range before accepting signals that approach the supply rails.
推荐
Portable Battery Measurement
The MCP603-E/P is useful in handheld or battery-powered measurement products because its 2.7 V minimum supply and 230 uA typical operating current support low-power analog operation. Rail-to-rail output can help preserve signal range when the measurement signal occupies much of the available supply span. The amplifier can buffer a sensor or divider before an ADC input, but the designer should confirm chip-select behavior, supply-current variation, output settling, and load requirements from the Microchip datasheet.
推荐
Buffered ADC Input
The unity-gain-stable MCP603-E/P can serve as an input buffer between a high-impedance sensor or resistor network and an analog-to-digital converter. Its 2.8 MHz typical gain-bandwidth product provides bandwidth for many moderate-speed acquisition paths, while its rail-to-rail output helps utilize the ADC input range more effectively. Confirm the ADC settling time, amplifier output drive, capacitive loading, and input bias current in the complete signal chain; those requirements are not fully quantified in the supplied search data.
推荐
Voltage and Current Monitoring
The MCP603-E/P can amplify small monitoring signals from current-shunt, resistor-divider, or transducer circuits while operating from a compact supply. Its 2.3 V/us typical slew rate and 2.8 MHz typical gain-bandwidth product allow moderate-bandwidth feedback or buffering functions, and its typical 230 uA operating current is compatible with power-conscious instrumentation. The exact offset, bias current, noise, and common-mode limits must be checked against the monitoring node's voltage and current accuracy requirements.
推荐
General Analog Signal Buffer
The MCP603-E/P is appropriate for a unity-gain buffer when a signal source needs isolation from a downstream load or measurement circuit. Its unity-gain stability allows direct follower use without an external compensation network, and rail-to-rail output improves utilization of low-voltage supplies. Keep trace lengths short, provide a solid ground return, and check the source and load impedances because the verified data does not specify capacitive-load stability or input bias current.
推荐
Audio and Communication Front Ends
The MCP603-E/P can be used in small audio or communication signal-conditioning blocks where low-voltage operation, rail-to-rail output, and moderate bandwidth are more important than high-frequency performance. Its 2.8 MHz gain-bandwidth product and 2.3 V/us slew rate support general-purpose low-frequency and baseband paths. For microphone, headphone, or high-fidelity audio designs, verify input noise, offset, output drive, channel separation, and distortion specifications in the manufacturer datasheet before selecting it over a dedicated audio amplifier.
推荐
推荐产品汇总
工程参考数据： MCP603-E/P ——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 | MCP601-E/P |
|---|---|---|
| Package | 8-pin PDIP | 8-pin PDIP - same package family; exact dimensions and pinout require confirmation |
| Brand | Microchip Technology | Microchip Technology |
| Number of Circuits | 1 | 1 |
| Output Swing | Rail-to-rail output | Rail-to-rail output |
| Process Technology | Advanced CMOS | CMOS |
关键差异点
- Low-power operation for portable analog systems （对比 MCP601-E/P)
- Moderate speed with compact 8-pin PDIP construction （对比 MCP601-E/P)
- Rail-to-rail output and unity-gain stability （对比 MCP601-E/P)
设计说明
The MCP603-E/P is specified for 2.7 V to 6.0 V operation and less than 325 uA quiescent current according to Microchip product information. Confirm the exact supply voltage range, chip-select state, and load current from the current datasheet before calculating battery life. Keep the supply decoupling path close to the device and use a low-noise supply when the amplifier is processing small signals.
Place the input, output, supply, and bypass connections so that high-current return paths do not share sensitive input traces. The verified data confirms an 8-pin PDIP package, but not a complete pinout or recommended land pattern; therefore, use the manufacturer package drawing and datasheet rather than relying on a generic 8-pin footprint. Through-hole lead spacing should also be checked against the stated 0.300 inch, 7.62 mm package specification.
Use short, guarded traces for high-impedance inputs because the supplied data does not establish input bias current or noise. Add feedback components close to the amplifier and avoid long parallel runs around sensitive nodes. The 2.8 MHz typical gain-bandwidth product and 2.3 V/us typical slew rate describe the device capabilities, but closed-loop stability, settling, and capacitive-load behavior must be validated in the final circuit.
合规信息
Compliance information was not present in the supplied verified web data. No RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals claim is inferred.