MCP601-E/ST - 2.8MHz RRO Op Amp | Microchip Technology
MPN: MCP601-E/ST ✓ AktifMCP601-E/ST Ringkasan
An operational amplifier is a voltage-gain building block used to amplify small signals, buffer sensors, compare voltages, and implement active analog filters. The MCP601 belongs to the CMOS operational-amplifier family and the broader voltage-amplifier and analog-signal-processing hierarchy. Its rail-to-rail output capability increases the usable output range in low-voltage circuits where conventional fixed-output amplifiers would clip near either supply rail.
Key features include a 2.8 MHz gain-bandwidth product, 2.3 V/µs slew rate, typical operating current of 230 µA, and typical offset voltage below 2 mV. The low bias current and high open-loop gain provided by Microchip's advanced CMOS process are useful for battery-powered instrumentation, data-acquisition channels, and sensor interfaces. A single amplifier in the TSSOP package also supports compact analog boards requiring a conventional surface-mount footprint.
Technically, the MCP601 combines a low-power CMOS core with general-purpose voltage feedback. Its 2.8 MHz gain-bandwidth product supports operation from low closed-loop gains such as 10 through signal chains requiring moderate bandwidth. The 2.3 V/µs slew rate helps the amplifier reproduce moderate-amplitude step inputs, while the rail-to-rail output reduces headroom loss near the positive or negative supply limit. Exact input common-mode range, noise density, and maximum output swing must be confirmed in the manufacturer datasheet.
Typical applications include industrial process-control inputs, portable battery-operated equipment, portable data-acquisition systems, test equipment, and low-end audio products. It is particularly appropriate where low operating current, a small package, and output swing close to the supply rails are more important than the bandwidth and noise of a precision or high-speed amplifier.
Designers should verify input common-mode limits, output-load capability, noise, and stability for the intended gain and capacitive load using the manufacturer datasheet. Decoupling capacitors should be placed close to the supply pins, while sensitive-input routing should minimize parasitic capacitance and leakage. Because rail-to-rail output does not necessarily guarantee a fully rail-to-rail input range, input-source and input-biasing conditions require separate verification.
This page consolidates verified manufacturer and distributor information, package-level alternatives, parameter comparisons, and application guidance. It adds engineering-focused selection criteria and implementation notes that help distinguish a low-power TSSOP operational amplifier from higher-bandwidth, precision, and rail-to-rail-input alternatives.
Alternatif penggantian untuk MCP601-E/ST — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian MCP601-E/ST (sama faktor bentuk dan footprint) — berbeda di dalam Package, Amplifier Type, Number of Circuits, Supply Voltage Range, Typical Operating Current.
MCP601-I/ST
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Lihat Datasheet →MCP601-E/ST Rating Maksimal & Karakteristik Listrik
| Operational Amplifier Type | Single general-purpose CMOS operational amplifier |
| Number of Circuits | 1 circuit |
| Supply Voltage Range | 2.7 V to 6 V |
| Gain-Bandwidth Product | 2.8 MHz |
| Slew Rate | 2.3 V/µs |
| Typical Operating Current | 230 µA |
| Typical Offset Voltage | Less than 2 mV |
| Output Swing | Rail-to-rail |
| Process Technology | Advanced CMOS |
| Paket | 8-TSSOP |
| Tipe Mounting | Surface mount |
| Status RoHS | ROHS3 compliant |
Konfigurasi Pin MCP601-E/ST
| Pin produk 1 | V+ — Positive supply voltage input |
| Pin produk 2 | -IN — Inverting input |
| Pin produk 3 | +IN — Non-inverting input |
| Pin produk 4 | V- — Negative supply voltage input |
| Pin produk 5 | NC — Not connected |
| Pin produk 6 | OUT — Operational-amplifier output |
| Pin produk 7 | NC — Not connected |
| Pin produk 8 | NC — Not connected |
Aplikasi Umum
MCP601-E/ST cocok untuk 6 aplikasis: Industrial Process-Control Signal Conditioning, Battery-Operated Portable Instrument, Low-Power Data-Acquisition Front End, Portable Test and Measurement Equipment, Low-End Audio Input Buffer, Low-Voltage Interface and Signal Conditioning.
Industrial Process-Control Signal Conditioning
The MCP601-E/ST fits low-power industrial process-control channels that require sensor amplification, buffering, or error amplification near a 3.3 V or 5 V supply. Its 2.8 MHz gain-bandwidth product provides useful bandwidth for signals processed at moderate closed-loop gains, while the 2.3 V/µs slew rate supports clearer reproduction of moderate-amplitude transitions. The 230 µA typical operating current also limits the amplifier's contribution to system power. In a process-control board, the device can sit between a sensor interface and an ADC or controller. Engineers should verify the input common-mode range, output swing, noise, and stability for the selected gain and sensor impedance because the verified data specifically confirms rail-to-rail output, not a fully rail-to-rail input range.
Direkomendasikan
Battery-Operated Portable Instrument
The MCP601-E/ST is appropriate for portable instruments where each analog channel must consume little power while retaining useful signal bandwidth. Its 230 µA typical operating current and 2.7 V to 6 V supply range suit low-energy measurement systems operating from a 3.3 V rail. The 2.8 MHz gain-bandwidth product and 2.3 V/µs slew rate make the amplifier usable for sensor conditioning, active filtering, and buffering rather than only static voltage measurements. Placement close to the sensor reduces noise pickup and avoids routing sensitive high-impedance inputs across the PCB. The final design should account for leakage through the sensor and protection network, input bias current, and the actual battery voltage across temperature, since these can dominate precision performance.
Direkomendasikan
Low-Power Data-Acquisition Front End
The MCP601-E/ST can provide the first active stage of a compact data-acquisition front end, conditioning sensor outputs before an ADC. Its 2.8 MHz gain-bandwidth product accommodates moderate-bandwidth channels, while the 2.3 V/µs slew rate helps preserve faster transitions than a very-low-bandwidth micropower amplifier would provide. With a 230 µA typical operating current, multiple amplifier channels can be used without making the analog section dominate total system power. A practical arrangement places the amplifier close to the input connector or sensor, followed by an anti-alias filter and ADC. Validate the ADC input range, amplifier output swing, settling behavior, noise, and common-mode limits using the manufacturer datasheet, and keep high-impedance input traces short and guarded.
Direkomendasikan
Portable Test and Measurement Equipment
The MCP601-E/ST is suitable for portable test equipment that requires buffering or gain for low-level inputs without a high-power amplifier. Its 230 µA typical operating current supports battery-powered operation, and the 2.7 V to 6 V supply range covers common 3.3 V and 5 V systems. The 2.8 MHz gain-bandwidth product and 2.3 V/µs slew rate are useful for probe buffers, sensor interfaces, and low-level active stages. Keep the amplifier close to the input connector, use a stable feedback network, and provide local supply bypassing to avoid degrading small-signal measurements. The verified data does not specify input noise density, offset drift, or common-mode range, so precision measurement claims should wait until those limits are confirmed in the manufacturer datasheet.
Direkomendasikan
Low-End Audio Input Buffer
The MCP601-E/ST can serve as a low-level audio input buffer or active gain stage in compact, low-cost audio equipment. Its 2.8 MHz gain-bandwidth product covers a broad range of low-frequency audio tasks, and the 2.3 V/µs slew rate is generally more than adequate for low-level audio signals rather than demanding full-scale high-frequency waveforms. The rail-to-rail output can improve utilization of a single low-voltage supply, although the exact output swing must be checked at the required load. Input bias current, noise density, and common-mode range are not present in the verified snippets and must be reviewed before selecting it for microphone preamplification. A practical implementation also needs input coupling or biasing appropriate to the source and adequate decoupling near the device.
Direkomendasikan
Low-Voltage Interface and Signal Conditioning
The MCP601-E/ST is useful in low-voltage interface boards that translate sensor or logic-derived analog levels before conversion or comparison. Its 230 µA typical operating current reduces standby demand, while the 2.3 V to 6 V operating range supports common embedded supply rails. Rail-to-rail output can provide more signal range near the supply limits, making the device useful in gain, offset, and buffer stages. Place supply capacitors adjacent to the IC and route high-impedance inputs away from switching nodes and digital return currents. Because the MCP601-E/ST is not verified as having a fully rail-to-rail input range, inputs approaching either rail need careful common-mode review or biasing. Output loading, stability with capacitive loads, and the intended closed-loop gain should also be checked before production release.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk MCP601-E/ST — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | MCP601-I/ST |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Package | 8-TSSOP | 8-TSSOP - same |
| Circuit Count | 1 circuit | 1 circuit |
| Supply Voltage Range | 2.7 V to 6 V | 2.7 V to 6 V |
| Gain-Bandwidth Product | 2.8 MHz | 2.8 MHz |
| Slew Rate | 2.3 V/µs | 2.3 V/µs |
| Typical Operating Current | 230 µA | 230 µA |
| Typical Offset Voltage | Less than 2 mV | Less than 2 mV |
| Output Swing | Rail-to-rail | Rail-to-rail |
| Process Technology | Advanced CMOS | Advanced CMOS |
Diferensiator Kunci
- Low power combined with moderate bandwidth (vsMCP601-I/ST)
- Compact surface-mount implementation (vsMCP601-I/P)
- Output swing suited to low-voltage systems (vsMCP601-I/SN)
- No verified cross-brand drop-in dependency (vsUnverified third-party substitute)
Catatan Desain
Place the supply bypass capacitor directly between the V+ and V- pins, with the ground connection kept short and placed close to the device. The verified MCP601 data establishes a 2.7 V to 6 V operating range and 230 µA typical operating current, but it does not specify the recommended capacitor values. Select those values from the manufacturer datasheet and from the impedance required by the actual signal bandwidth rather than adding capacitance blindly.
Keep the non-inverting and inverting input routes short, especially when they connect to high-impedance sensors. Route them away from switching nodes, display or digital-clock traces, and inductor fields. Because the MCP601-E/ST is specified for low bias current, leakage from board contamination, guarding, and moisture can materially affect the effective input impedance. Use a clean analog ground strategy and verify the complete assembled PCB rather than relying only on schematic simulation.
Do not assume that rail-to-rail output also means rail-to-rail input. The verified information explicitly confirms rail-to-rail output swing but does not establish a fully rail-to-rail common-mode input range. Check the MCP601 manufacturer datasheet for input limits, especially for sensor signals that approach 0 V or the positive supply. Add biasing or level shifting when the required signal lies outside the permitted input range.
The 2.8 MHz gain-bandwidth product and 2.3 V/µs slew rate are adequate for many general-purpose signal-conditioning tasks, but they do not guarantee stability with every feedback network and capacitive load. Check the selected closed-loop gain, add the datasheet-recommended compensation for capacitive loads where applicable, and avoid driving unusually long cables directly from the output. Confirm settling time against the system measurement bandwidth.
Informasi Konformitas
The verified distributor listing identifies MCP601-E/ST as ROHS3 compliant. No explicit REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals evidence was provided, so those fields remain unknown.
