MCP652-E/SN - 50MHz Dual Rail-to-Rail Op Amp | Microchip
N.º de pieza: MCP652-E/SN ✓ ActivoMCP652-E/SN Descripción general
An operational amplifier, or op amp, is a high-gain analog building block used to amplify small signals, buffer sensors, compare voltages, and drive analog-to-digital converters. The MCP652-E/SN belongs to the MCP65x family of low-offset, high-speed, low-noise amplifiers. It combines single-supply operation, rail-to-rail output, low distortion, and self-calibration in an 8-pin SOIC footprint suitable for general-purpose analog signal chains.
Key electrical characteristics include a 50 MHz typical gain-bandwidth product, 30 V/us typical slew rate, 81 dB typical common-mode rejection, and a calibrated input-offset-voltage limit of +/-200 uV. The 7.5 nV/Hz typical noise density is particularly useful when small signals must be amplified without adding excessive broadband noise. The dual configuration provides two amplifiers in one package, reducing board area in filtering, buffering, and differential signal-conditioning circuits.
The MCP65x architecture performs self-calibration at power-up to lower input-offset voltage. This calibration is valuable in precision applications because input offset can otherwise create DC error, shift comparator thresholds, or reduce the effective resolution of an ADC. The rail-to-rail output allows the amplifier to approach the supply limits when higher output swing or wider signal range is required, although input-common-mode limits must still be checked for each operating condition.
Typical uses include sensor signal conditioning, active filters, audio and communication paths, ADC drivers, comparators, and low-voltage instrumentation. The dual configuration is especially useful when a design needs two gain stages, a filter followed by an ADC driver, or an instrumentation amplifier built from matched amplifiers. The -40C to +125C temperature range supports industrial environments, while the standard 8-pin SOIC package simplifies assembly and board-level sourcing.
The principal design trade-off is operating speed versus power and stability. High gain-bandwidth and slew rate support faster signal transitions, but feedback networks, capacitive loads, decoupling, and output-current limits still require careful review. Place bypass capacitors near the supply pins, keep feedback loops compact, and verify stability with the actual source and load impedances before releasing the layout.
This product page combines manufacturer specifications, package and temperature details, application guidance, and same-footprint family comparisons to support component selection, schematic design, PCB layout, and replacement planning for the MCP652-E/SN.
Alternativas directas para MCP652-E/SN — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
MCP652T-E/SN
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MCP6542T-I/SN
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MCP651-E/SN
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MCP653-E/SN
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MCP652-E/SL
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MCP652-E/SN Valores máximos y características eléctricas
| Number of Amplifiers | 2 circuits |
| Gain-Bandwidth Product | 50 MHz typical |
| Slew Rate | 30 V/us typical |
| Tensión de alimentación | 2.5 V |
| Input Noise Density | 7.5 nV/Hz typical at 1 MHz |
| Calibrated Input Offset Voltage | +/-200 uV maximum |
| Common-Mode Rejection Ratio | 81 dB typical |
| Short-Circuit Current | 100 mA typical |
| Input Bias Current | 0.0050 uA |
| Tipo de salida | Rail-to-Rail |
| Calibration | mCal self-calibration at power-up |
| Rango de temperatura de funcionamiento | -40C to +125C |
| Encapsulado | 8-pin SOIC |
| Lead Count | 8 leads |
| Tipo de montaje | Surface mount |
| Packing Media | Tube, 100 units |
Guía de configuración de pines de MCP652-E/SN 8-pin soic
Configuración de pines para MCP652-E/SN (encapsulado 8-pin soic). Este componente analógico presenta pines de entrada, salida y alimentación. Consulte la hoja de datos del fabricante para conocer las configuraciones de los pines de ajuste de offset, compensación y habilitación. Ideal para circuitos de acondicionamiento de señal y amplificadores.
No hay datos detallados de patillaje disponibles para MCP652-E/SN.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MCP652-E/SN es adecuado para 6 aplicacións: Sensor Signal Conditioning, Active Filtering, ADC Input Driver, Audio Signal Conditioning, Precision Comparator Circuit, Industrial Instrumentation.
Sensor Signal Conditioning
The MCP652-E/SN suits low-level sensor conditioning because its calibrated input-offset voltage is limited to +/-200 uV maximum and its input-noise density is 7.5 nV/Hz typical at 1 MHz. Two amplifiers can implement a noninverting or inverting gain stage followed by an output buffer without requiring two packages. The 50 MHz typical gain-bandwidth product also supports moderate-bandwidth sensors while leaving useful bandwidth above the closed-loop operating frequency. Because offset and noise depend on source impedance and gain, calculate resistor thermal noise and confirm the common-mode range before fixing the amplifier topology.
Recomendado
Active Filtering
The MCP652-E/SN is appropriate for active filter stages requiring more bandwidth than a general-purpose micropower amplifier can provide. Its 50 MHz typical gain-bandwidth product and 30 V/us typical slew rate allow useful closed-loop bandwidth in moderate-gain sections, while mCal reduces DC offset that can disturb filter center points. The dual configuration can form a second-order active filter followed by a unity-gain buffer. Stable operation with capacitor loading should be checked in the manufacturer datasheet and on the final board, particularly when the filter drives long PCB traces or an ADC sampling network.
Recomendado
ADC Input Driver
The MCP652-E/SN can drive moderately fast ADC inputs with its 50 MHz typical gain-bandwidth product, 30 V/us typical slew rate, and rail-to-rail output. It is especially useful when the source impedance and cable capacitance require buffering before conversion. The second amplifier in the package can provide additional gain, offsetting, or channel conditioning. Designers should verify the ADC settling requirements, amplifier output-current capability, and capacitive-load stability rather than relying on bandwidth alone. A short output route, local decoupling, and a return path close to the driver remain important for practical ADC performance.
Recomendado
Audio Signal Conditioning
The MCP652-E/SN supports audio preamplifier and line-driver functions where low noise, speed, and rail-to-rail output are useful. Its 7.5 nV/Hz typical input-noise density at 1 MHz and 50 MHz typical gain-bandwidth product provide substantial bandwidth beyond the audio band, while mCal helps reduce startup offset. The dual amplifier can implement gain and buffering in one package. The amplifier still adds noise and distortion at the selected gain and load, so the complete signal chain should be evaluated for THD, output-current capability, and output clipping across the required signal range.
Recomendado
Precision Comparator Circuit
The MCP652-E/SN can be configured as an open-loop comparator for threshold detection because its calibrated input-offset voltage is limited to +/-200 uV maximum. The 30 V/us typical slew rate helps produce a fast transition, and the dual configuration can compare one signal against a reference while the other channel performs buffering or another threshold function. Comparator use requires attention to output logic levels, input overdrive recovery, and propagation delay. The reference network should use stable components, and the output must not be loaded beyond the device's specified capacitive and current limits.
Recomendado
Industrial Instrumentation
The MCP652-E/SN is suitable for industrial instrumentation requiring a wide -40C to +125C operating-temperature range, dual-amplifier integration, and low-offset operation. It can condition pressure, temperature, or current-sensor outputs before conversion, or implement gain and filtering stages in compact control systems. Rail-to-rail output increases usable signal range in low-voltage systems, while the 50 MHz typical gain-bandwidth product avoids limiting moderate-frequency measurement paths. For factory or process-control equipment, verify supply tolerance, transient protection, grounding, and the exact device temperature grade before incorporating the amplifier.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MCP652-E/SN — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MCP652T-E/SN | MCP6542T-I/SN | MCP651-E/SN | MCP653-E/SN |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-pin SOIC | 8-pin SOIC - same | 8-pin SOIC - same | 8-pin SOIC - same | 8-pin SOIC - same |
Diferenciadores clave
- Power-up offset calibration in a dual amplifier (frente a MCP652T-E/SN)
- High speed with low input noise (frente a MCP651-E/SN)
- Wide specified temperature range (frente a MCP653-E/SN)
- Established 8-pin SOIC implementation (frente a MCP6542T-I/SN)
Notas de diseño
Place the supply bypass capacitor as close as practical to the amplifier power pins, and connect the ground return directly to the device ground pin. The 50 MHz gain-bandwidth product can couple supply and ground noise into the signal path even when the intended signal bandwidth is much lower. Use the manufacturer's recommended capacitor type and value for the selected supply voltage. Confirm that both amplifier channels are powered and that the bypass network does not create an unintended resonant loop around the 8-pin SOIC footprint.
Keep the input, feedback, and output paths compact and route the feedback return away from high-impedance input nodes. The MCP652-E/SN's low-noise input capability is useful only when PCB leakage, contamination, and thermal effects do not dominate the source impedance. Guard or shield high-impedance inputs where appropriate, maintain a clean analog ground path, and place any input filtering capacitors close to the corresponding amplifier input to minimize added noise and pickup.
Do not assume that rail-to-rail output guarantees rail-to-rail input operation. Check the manufacturer's input-common-mode range at the actual supply voltage and signal level. Likewise, the 50 MHz typical gain-bandwidth product is an open-loop device characteristic, not the closed-loop bandwidth of every gain setting. Account for feedback resistor tolerances, capacitive loading, ADC acquisition time, and the output-current limit before treating the amplifier as a direct replacement in an existing board.
For ADC or long-cable interfaces, use a series isolation resistor close to the amplifier output and verify settling with the actual load. The second amplifier channel can buffer a comparator threshold or drive another stage, but both channels should have independent stability checks. If driving an ADC sampling capacitor, compare the amplifier slew rate and output-current capability with the converter's acquisition window rather than relying on bandwidth alone.
Información de cumplimiento
The manufacturer product and ordering information identifies the device as an 8-pin SOIC in a tube of 100 units. Specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals declarations require confirmation from the applicable Microchip product documentation.