MCP602 Dual Operational Amplifier IC – 2.8MHz Rail-to-Rail Op-Amp (DIP-8)

The MCP602 is a low-power, dual-channel operational amplifier (op-amp) manufactured by Microchip Technology. It features two independent amplifiers in a single 8-pin package, making it suitable for analog signal conditioning, sensor interfacing, instrumentation, and embedded electronic circuits.

Featuring a 2.8MHz gain-bandwidth product, low input bias current, and rail-to-rail output operation, the MCP602 provides reliable analog signal amplification while maintaining low power consumption.

Operating from a single supply voltage of 2.7V to 6.0V, the MCP602 is suitable for battery-powered devices, portable measurement equipment, industrial control systems, and general-purpose analog applications.

The DIP-8 package allows easy integration into breadboards, prototyping circuits, and through-hole PCB designs.

Key Features

• Dual Operational Amplifier: Contains two independent amplifiers in one IC.
• 2.8MHz Gain-Bandwidth Product: Suitable for general-purpose analog signal amplification and filtering.
• Rail-to-Rail Output: Output voltage can approach both supply rails under suitable load conditions.
• Low Power Consumption: Approximately 230µA typical quiescent current per amplifier.
• Low Input Offset Voltage: Less than 2mV under specified operating conditions.
• Low Input Bias Current: CMOS input design minimizes loading on high-impedance signals.
• Single-Supply Operation: Supports supply voltages from 2.7V to 6.0V.
• High Input Impedance: Suitable for sensor signal conditioning and precision analog circuits.
• Independent Amplifier Channels: Allows two separate analog signals to be processed simultaneously.
• DIP-8 Package: Suitable for breadboards and through-hole PCB assembly.

Technical Specifications

Pin Configuration

The MCP602 contains two independent operational amplifiers sharing a common power supply.

Basic Connection Example

The MCP602 can be configured as two independent non-inverting amplifiers to amplify separate analog input signals.

Power Connections

Amplifier A Connections

Amplifier B Connections

Non-Inverting Amplifier Gain

The voltage gain of a non-inverting amplifier is calculated using:

Gain = 1 + (Rf / Rg)

Where:

• Rf = Feedback resistor connected between the output and inverting input
• Rg = Resistor connected between the inverting input and ground

Example:

Using:

• Rf = 10kΩ
• Rg = 10kΩ

Gain = 1 + (10kΩ / 10kΩ) = 2

An input voltage of 1V produces an ideal output of 2V, provided the input and output remain within the amplifier's operating limits.

Both amplifiers can be configured with different gain values depending on the application.

Applications

• Analog sensor signal conditioning
• Dual-channel signal amplification
• Industrial process monitoring
• Battery-powered electronic devices
• Portable measurement instruments
• Data acquisition systems
• Active low-pass and high-pass filters
• Voltage buffering
• Analog signal processing
• Audio preamplifier circuits
• Robotics sensor interfaces
• Embedded control systems
• Laboratory and test equipment
• Educational electronics projects

Important Notes

• The MCP602 contains two independent operational amplifiers sharing the same power supply.
• The device supports rail-to-rail output operation, but its input common-mode voltage range does not extend fully to the positive supply rail.
• The recommended supply voltage range is 2.7V to 6.0V.
• The MCP602 is designed for low-power analog signal processing and cannot directly drive speakers, motors, or other high-power loads.
• The gain-bandwidth product limits the available bandwidth at higher amplifier gain settings.
• Output voltage swing depends on the connected load and supply voltage.
• For stable operation, install a suitable power supply decoupling capacitor close to the IC.
• Both amplifier channels should be configured properly, even if only one channel is used.
• Unused amplifier inputs should not be left floating.
• The standard MCP602 does not include a shutdown control pin.
• The device requires external feedback components for most amplifier configurations.
• Verify the manufacturer's datasheet when designing precision or high-frequency analog circuits.

Package Includes

• 1 × MCP602 Dual Operational Amplifier IC (DIP-8)