MCP625-E/MF - 20MHz Dual Rail-to-Rail Op Amp | Microchip
料号： MCP625-E/MF ✓ 量产中MCP625-E/MF 概述
An operational amplifier is an analog signal-conditioning IC that uses high-gain feedback to amplify voltage differences. The MCP625-E/MF belongs to the operational-amplifier hierarchy within amplifier ICs and semiconductor electronics. Its dual-circuit configuration allows two independent amplifier channels in one package, reducing board area in portable, industrial, automotive, and test-and-measurement equipment.
The principal performance features include a 20 MHz gain-bandwidth product, 10 V/µs slew rate, rail-to-rail inputs and outputs, and operation down to 1.8 V. The automotive-oriented E temperature grade supports extended-temperature operation. These characteristics make the amplifier suitable for sensor interfaces, current sensing, active filtering, audio signal paths, and general low-voltage analog systems.
At a 20 MHz gain-bandwidth product, a closed-loop gain of 10 corresponds to an approximate bandwidth of 2 MHz before other practical limitations become significant. The 10 V/µs slew rate allows relatively fast transitions and reduces distortion when driving higher-capacitance loads. Rail-to-rail input capability improves usable input range near the supply rails, while rail-to-rail output operation increases output-voltage headroom.
Typical uses include battery-powered sensor conditioning, industrial control signals, automotive interface circuits, instrumentation amplifiers, active filters, and low-voltage audio electronics. In a current-sensing application, the two channels can amplify a small differential voltage and buffer an unrelated reference or monitor signal, provided the common-mode and output ranges satisfy the electrical limits.
Layout and stability remain important design considerations. Place the device close to the feedback network and sensitive input nodes, keep high-current return paths out of analog signal paths, and provide an exposed-pad thermal connection according to the manufacturer land pattern. Stable operation with capacitive loads may require an isolation resistor between the amplifier output and the load.
This product page combines the manufacturer-device identity, distributor specifications, package information, technical application guidance, and replacement-selection context to support faster engineering decisions. The Request a Quote form provides current commercial availability, lead time, and purchasing support for the MCP625-E/MF.
直接替换替代料： MCP625-E/MF ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
该产品暂无直接替换替代料。
请求替代料MCP625-E/MF 最大额定值与电气特性
| Number of Amplifier Circuits | 2 circuits |
| Amplifier Type | General-purpose operational amplifier |
| Gain-Bandwidth Product | 20 MHz |
| Slew Rate | 10 V/µs |
| Minimum Supply Voltage | 1.8 V |
| Input Common-Mode Range | Rail-to-rail |
| Output Swing | Rail-to-rail |
| Package Type | 10-DFN, 3 x 3 mm |
| Package Code | MF |
| Number of Terminals | 10 terminals |
| Package Shape | Square |
| Terminal Form | No-lead |
| Temperature Grade | Automotive E grade |
MCP625-E/MF square 引脚配置指南
MCP625-E/MF（square 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： MCP625-E/MF.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCP625-E/MF 适用于 6 应用s: Low-Voltage Sensor Signal Conditioning, Precision Current-Sense Amplifier, Active Analog Filtering, Low-Voltage Audio Signal Path, Industrial Control Interface, Test and Measurement Buffering.
Low-Voltage Sensor Signal Conditioning
The MCP625-E/MF suits low-voltage sensor front ends because its rail-to-rail inputs accept signals near the supply limits and its 20 MHz gain-bandwidth product provides bandwidth beyond typical slow sensor signals. One channel can amplify the sensor output while the second handles a reference or monitor signal. Use a low-noise feedback network, maintain the shunt path away from sensitive inputs, and verify the actual common-mode range and output swing against the sensor’s operating limits.
推荐
Precision Current-Sense Amplifier
The MCP625-E/MF can amplify the small differential voltage generated by a low-value shunt resistor in power monitoring, motor control, or battery management. Its 10 V/µs slew rate supports relatively quick output transitions, while the 20 MHz gain-bandwidth product leaves useful closed-loop bandwidth for a moderate gain. Keep the Kelvin connections to the shunt compact, avoid routing high-current copper beneath the input traces, and select the gain so that worst-case shunt voltage remains inside the amplifier output range.
推荐
Active Analog Filtering
The MCP625-E/MF is appropriate for active low-pass or band-pass stages where more bandwidth than a micropower amplifier provides is useful. Its 20 MHz gain-bandwidth product allows moderate closed-loop gains while its 10 V/µs slew rate improves large-signal behavior. Stable RC component selection and symmetrical resistor-capacitor networks are important, while an isolation resistor can be placed at the output when driving a capacitive load that might otherwise reduce phase margin.
推荐
Low-Voltage Audio Signal Path
The MCP625-E/MF can serve in low-voltage audio buffering and active-filter positions where rail-to-rail operation is valuable. The 10 V/µs slew rate provides useful dynamic range for small audio signals, while the 20 MHz gain-bandwidth product is substantially above typical audio bandwidth. Headroom remains limited by supply voltage, output current, and load, so use the second channel for an active filter or output driver only after checking output swing and stability.
推荐
Industrial Control Interface
The MCP625-E/MF is appropriate for buffering industrial control signals and conditioning lower-level analog nodes around a controller. Rail-to-rail inputs increase the useful signal range in low-voltage systems, and the dual configuration supports independent control and monitor channels. The E temperature grade is relevant to extended-temperature industrial equipment, but engineers should still verify the exact temperature limits, supply range, electromagnetic requirements, and output drive against the final system specification.
推荐
Test and Measurement Buffering
The MCP625-E/MF can buffer sensor outputs, differential inputs, and intermediate analog nodes in compact test and measurement instruments. Its 20 MHz gain-bandwidth product handles higher-frequency test signals, while the 10 V/µs slew rate supports faster transitions than a low-bandwidth precision amplifier. Keep input and feedback routing short, connect the exposed pad to the recommended thermal land, and check settling requirements because bandwidth and slew rate alone do not define complete time-domain accuracy.
推荐
推荐产品汇总
工程参考数据： MCP625-E/MF ——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 |
|---|---|
| Package | 10-DFN, 3 x 3 mm |
| Brand | Microchip Technology |
| Number of Amplifier Circuits | 2 circuits |
| Amplifier Type | General-purpose operational amplifier |
| Gain-Bandwidth Product | 20 MHz |
| Slew Rate | 10 V/µs |
| Minimum Supply Voltage | 1.8 V |
| Input Common-Mode Range | Rail-to-rail |
| Output Swing | Rail-to-rail |
| Temperature Grade | Automotive E grade |
设计说明
Route each amplifier’s input and feedback components close to the corresponding pins to minimize parasitic capacitance and sensitivity to board-level noise. Keep the high-current return path from a connected sensor or shunt away from the input pair. Place the input and output bypass capacitors according to the manufacturer’s typical application circuit, using a short ground return and the exposed-pad land for the specified thermal and electrical connection.
Rail-to-rail operation does not guarantee unlimited input range under every combination of supply voltage and frequency. Check the input common-mode limits in the manufacturer datasheet at the lowest and highest expected supply voltages. For small-sensor signals, use a gain that keeps the output away from saturation, and account for the amplifier’s input offset and bias-current contributions when calculating the smallest resolvable signal.
Do not assume that every similarly specified dual amplifier is pin-compatible. The MCP625-E/MF uses a 10-DFN 3x3 mm package, so a replacement must preserve the pin numbering, exposed-pad geometry, land pattern, and electrical behavior. Avoid substituting a different package or an amplifier that changes the meaning of the exposed pad, and confirm capacitive-load stability before placing a large load directly on the output.
The exposed pad is part of the package thermal path and should be soldered to the manufacturer-recommended PCB land. Use adequate copper area, a short connection to the ground plane, and thermal vias if the application produces meaningful amplifier dissipation. The available product information does not provide the exposed-pad thermal resistance, so calculate junction temperature with the manufacturer’s thermal model or a package-specific thermal characterization.
合规信息
The product listing identifies MCP625-E/MF as an automotive-grade E temperature-grade device. Specific RoHS, REACH, lead-free, halogen-free, and conflict-minerals declarations were not identified in the available device information.
