MCP6021-I/P - 10MHz R-R I/O Op Amp | Microchip
MPN: MCP6021-I/P ✓ فعالMCP6021-I/P نمای کلی
An operational amplifier is a voltage-feedback amplifier used to amplify, buffer, filter, or compare analog signals. In the electronics hierarchy, the MCP6021-I/P is a general-purpose amplifier IC, a single-circuit CMOS operational amplifier, and a member of the broader analog signal-processing and power-management ecosystem. Rail-to-rail input and output operation allows useful signal range near the supply rails, while the single-channel 8-pin PDIP package supports through-hole industrial and educational assemblies.
Key features include a 10 MHz typical gain-bandwidth product for moderate-frequency signal processing, an 8.7 nV/√Hz typical noise density at 10 kHz, and low typical operating current of 1.0 mA. The manufacturer datasheet identifies rail-to-rail input and output behavior as a central feature. The industrial-temperature ordering option provides a maximum input offset voltage of ±500 μV, according to the supplied manufacturer-page information.
The MCP6021 family uses advanced CMOS technology to provide low bias current, high-speed operation, high open-loop gain, and rail-to-rail output swing. These characteristics make the device practical for sensor buffers, low-level signal conditioning, active filtering, and general signal amplification where low quiescent current and broad input range are more important than high precision in a very wide bandwidth. The single-amplifier configuration also avoids the extra channel and dual-amplifier complexity of the MCP6022 and MCP6024 devices.
Typical applications include portable instrumentation, sensor interfaces, audio preamplification, industrial data acquisition, control loops, and battery-powered monitoring equipment. The 8-pin PDIP format is especially useful for prototypes and designs that favor inspectable through-hole construction. The manufacturer product page specifically identifies 10 MHz gain-bandwidth product, 1.0 mA typical operating current, and offset voltage below 0.5 mV as defining characteristics.
Designers should verify the exact supply-voltage range, input common-mode limits, output-load capability, and stability requirements against the manufacturer datasheet before implementation. Decoupling capacitors should be placed close to the supply pins, and the unused amplifier channel should be configured according to the datasheet recommendations rather than left floating.
This page combines verified manufacturer and distributor data with application guidance, package details, and strict drop-in alternative analysis. It also distinguishes genuine 8-pin PDIP alternatives from SOIC and dual-amplifier parts that may be functionally similar but are not pin-to-pin drop-in replacements.
جایگزین‌های drop-in برای MCP6021-I/P — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای MCP6021-I/P (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Amplifier Type, Mounting Type, Number of Circuits, Input Noise Density.
MCP6021-E/P
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←MCP6023-I/P
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←MCP6023R-I/P
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
MCP6021R-I/P
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
MCP6021-I/P حداکثر مقادیر مجاز و مشخصات الکتریکی
| Amplifier Type | General-purpose operational amplifier |
| Number of Circuits | 1 circuit |
| Gain-Bandwidth Product | 10 MHz typical |
| Slew Rate | 7 V/μs typical |
| Input Noise Density | 8.7 nV/√Hz at 10 kHz typical |
| Total Harmonic Distortion Plus Noise | 0.00053% THD+N typical |
| Typical Operating Current | 1.0 mA |
| Typical Offset Voltage | Less than 0.5 mV |
| Maximum Input Offset Voltage | ±500 μV at industrial temperature |
| Input Common-Mode Range | Rail-to-rail input |
| Output Swing | Rail-to-rail output |
| بسته‌بندی | 8-pin PDIP, 0.300 inch pitch, 7.62 mm row spacing |
| نوع نصب | Through-hole |
| Packaging | Tube |
| Technology | Advanced CMOS |
پیکربندی پین MCP6021-I/P
| پین 1 | NC — Not connected |
| پین 2 | IN- — Inverting input |
| پین 3 | IN+ — Non-inverting input |
| پین 4 | V- — Negative supply or ground |
| پین 5 | NC — Not connected |
| پین 6 | OUT — Output |
| پین 7 | V+ — Positive supply |
| پین 8 | NC — Not connected |
کاربردهای معمول
MCP6021-I/P مناسب است برای 6 کاربردs: Portable Sensor Signal Conditioning, Industrial Data Acquisition, Audio Preamplifier and Buffer, Active Filtering and Signal Conditioning, Battery-Powered Monitoring, Educational and Prototype Circuits.
Portable Sensor Signal Conditioning
The MCP6021-I/P fits low-power sensor interfaces because it combines rail-to-rail input and output operation with a typical operating current of 1.0 mA. Place it between a sensor and an ADC or controller to amplify a small bipolar or near-ground signal without immediately running into the amplifier’s output-swing limits. Its 10 MHz gain-bandwidth product supports higher-bandwidth conditioning than a basic low-frequency amplifier, while the 8.7 nV/√Hz input noise at 10 kHz is useful when the sensor output is small. Verify bias current, common-mode behavior, and supply limits for the selected sensor.
پیشنهادی
Industrial Data Acquisition
The MCP6021-I/P is suitable for industrial data-acquisition inputs that require more bandwidth than a slow precision amplifier but do not require a very high-power design. Its 10 MHz typical gain-bandwidth product and 7 V/μs typical slew rate provide useful dynamic range for sensor signals and active filters. Rail-to-rail input and output behavior increases the available signal span within single-supply systems. The industrial-temperature ordering option is rated for a maximum input offset voltage of ±500 μV in the supplied manufacturer-page information, although the full temperature range must be confirmed.
پیشنهادی
Audio Preamplifier and Buffer
The MCP6021-I/P can serve as a general-purpose audio preamplifier or buffer in portable and compact audio equipment. Its 8.7 nV/√Hz typical input noise at 10 kHz and 0.00053% THD+N typical support low-level signal conditioning, while the 10 MHz bandwidth is more than adequate for many audio-band paths. Rail-to-rail output capability can improve utilization of a single-supply output swing. The circuit must still include suitable input coupling, gain-setting resistors, and output loading, and it should avoid configurations that demand more output current than the MCP6021 can supply.
پیشنهادی
Active Filtering and Signal Conditioning
The MCP6021-I/P is appropriate for active-filter and general signal-conditioning stages that need more than a unity-gain buffer and reasonably fast closed-loop response. A 10 MHz typical gain-bandwidth product and 7 V/μs typical slew rate support filter designs across audio and low-to-moderate-frequency instrumentation bands. Rail-to-rail input and output behavior also makes the device useful in compact single-supply filters. Component tolerances, gain-bandwidth behavior, output loading, and the required noise bandwidth should be evaluated before fixing the filter topology.
پیشنهادی
Battery-Powered Monitoring
The MCP6021-I/P’s 1.0 mA typical operating current makes it a reasonable candidate for battery-powered monitoring and portable measurement equipment. It can buffer a sensor, amplify a control signal, or provide an active-filter stage while retaining rail-to-rail operation from a single supply. The 10 MHz gain-bandwidth product leaves bandwidth headroom beyond common low-frequency monitoring tasks, and the typical offset voltage below 0.5 mV can support low-level signal work. A complete design must also account for load-dependent supply current, output drive, shutdown requirements, and the verified supply-voltage range.
پیشنهادی
Educational and Prototype Circuits
The 8-pin PDIP package makes MCP6021-I/P well suited to educational prototypes, breadboard-style experiments, and manually assembled test fixtures. Through-hole construction is easy to inspect and replace, while the single-amplifier arrangement simplifies first-time op-amp design exercises. The 10 MHz typical gain-bandwidth product and rail-to-rail behavior provide enough performance for basic amplifier, comparator, filter, and sensor-interface demonstrations. For final production hardware, check the package drawing, lead spacing, maximum input voltage, and all unused-pin requirements against the manufacturer documentation.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای MCP6021-I/P — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | MCP6021-E/P | MCP6023-I/P | MCP6023R-I/P | MCP6021R-I/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-pin PDIP | 8-pin PDIP - same | 8-pin PDIP - same | 8-pin PDIP - same | 8-pin PDIP - same |
| Number of Circuits | 1 circuit | 1 circuit | 1 circuit | 1 circuit | 1 circuit |
| Gain-Bandwidth Product | 10 MHz typical | 10 MHz typical | 10 MHz typical | 10 MHz typical | 10 MHz typical |
| Mid-Supply Reference | Available on MCP6021 family | Available | Not available | Not available | Not available |
| Temperature Ordering Option | Industrial temperature | Extended temperature | Industrial temperature | Industrial temperature | Industrial temperature |
تفاوت‌های کلیدی
- Single-channel rail-to-rail amplifier with mid-supply reference (در مقابلMCP6023-I/P)
- Industrial ordering option with documented maximum offset (در مقابلMCP6021-E/P)
- Low operating current with useful bandwidth (در مقابلMCP6021-E/P)
یادداشت‌های طراحی
Do not treat every MCP602x-family device as interchangeable. MCP6021 includes a mid-supply voltage reference, while MCP6023 and MCP6021R do not. MCP6022 and MCP6024 are dual amplifiers and therefore do not provide the same single-channel pin functions even though they may use 8-pin PDIP packages. For a PCB change, also reject MCP6021-I/SN because its SOIC-8 footprint differs from the target’s 0.300 inch PDIP footprint. Confirm package drawing, pin function, temperature grade, and electrical limits together.
The MCP6021-I/P has a typical operating current of 1.0 mA, but the complete circuit may consume considerably more when driving a load because output-current and supply-current behavior depend on frequency, output swing, load, and supply voltage. Estimate the total supply demand from the operating condition rather than using the typical bias current alone. Use a regulator with suitable continuous and transient capability, and confirm that the decoupling capacitor voltage rating remains above the maximum local supply condition.
Place the manufacturer-recommended bypass capacitor next to the supply and ground pins, and minimize the distance between the amplifier pins and the capacitor pads. Keep the inverting-feedback trace short because parasitic capacitance in a high-gain feedback loop can affect stability or oscillation. With a 7 V/μs typical slew rate, return currents and supply-loop area also matter; route output current away from sensitive input references and use a quiet ground path for the analog section.
Rail-to-rail input and output behavior does not eliminate the need to check the exact common-mode and output-swing limits. Input signals must remain inside the verified operating region, including transients and common-mode steps, while the load must be compatible with the amplifier’s output-current capability. A zero-crossing distortion effect should be considered when signals operate close to the rail-to-rail transition region, particularly in precision audio or instrumentation designs.
اطلاعات انطباق
The verified data does not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements for MCP6021-I/P. AEC-Q100 is marked not applicable because this ordering option is not identified as an automotive-qualified part in the supplied data.
