JRC4558D Dual Operational Amplifier DIP-8

JRC4558D Dual Operational Amplifier DIP-8 is a highly popular, low-noise integrated circuit that features two independent, high-gain, frequency-compensated operational amplifiers on a single silicon chip. Manufacturers widely use this IC in audio and signal conditioning circuits because of its excellent stability and broad bandwidth. Consequently, the JRC4558D provides superior performance in both inverting and non-inverting amplifier configurations, making it a versatile choice for filtering, mixing, and general signal amplification. You can power the device with dual supplies, and therefore, you can achieve true rail-to-rail output swing, which is essential for professional audio equipment. Furthermore, its low-noise characteristics make the JRC4558D an excellent, cost-effective solution for various consumer and industrial electronics designs.

Key Features:

• Dual Independent Amplifiers: The IC integrates two fully independent operational amplifiers, enabling it to handle two separate signal paths or create complex dual-stage circuits.
• High Voltage Gain: It features a high DC voltage gain, typically over 100 dB, which allows it to amplify weak signals effectively.
• Internal Frequency Compensation: This design eliminates the need for external compensation components, simplifying circuit design and ensuring stability across the operating bandwidth.
• Short-Circuit Protection: The output stages of the amplifiers include short-circuit protection, preventing damage under fault conditions.
• Wide Power Supply Range: Operates efficiently across a wide range of dual supply voltages, offering flexibility in different system architectures.

Technical Specifications:

• Number of Channels: 2 (Dual Op-Amp)
• Supply Voltage Range (V_CC): ±5 V to ±18 V (Single supply operation is also possible)
• Unity-Gain Bandwidth: Typically 3 MHz
• Slew Rate: Typically 1.7 V/µs
• Input Offset Voltage (V_IO): Typically 0.5 mV (≤ 6 mV max)
• Input Bias Current (I_B): Typically 80 nA
• Operating Temperature Range: −20°C to +75°C (Commercial Grade)

Mechanical Specifications:

• Package Type: DIP-8 (Dual In-line Package)
• Mounting: Through-Hole Technology (THT)
• Lead Material: Solder-plated copper alloy
• Heat Dissipation: Capable of dissipating heat efficiently in typical PCB mounting configurations.

Dimensions:

• Body Length: ≈ 9.8 mm (0.385 in)
• Body Width: ≈ 6.4 mm (0.25 in)
• Pin Pitch (Between pins): 2.54 mm (0.1 in)
• Row Spacing (Between rows): 7.62 mm (0.3 in)
• Pin Length: ≈ 3.0 mm

Pinout and Wiring:

• Pin 1 (Output 1): The signal output of the first operational amplifier.
• Pin 2 (−Input 1): Inverting input terminal for the first amplifier.
• Pin 3 (+Input 1): Non-inverting input terminal for the first amplifier.
• Pin 4 (V−): Negative power supply voltage terminal (GND for single supply).
• Pin 5 (+Input 2): Non-inverting input terminal for the second amplifier.
• Pin 6 (−Input 2): Inverting input terminal for the second amplifier.
• Pin 7 (Output 2): The signal output of the second operational amplifier.
• Pin 8 (V+): Positive power supply voltage terminal.

Datasheet Reference:

• Download JRC4558D Dual Op-Amp Datasheet

Commonly Used in:

• Electric Guitars and Audio Equipment: The JRC4558D is legendary for its use in classic guitar overdrive and distortion pedals.
• Active Filters: Design engineers frequently select it to construct various low-pass, high-pass, and band-pass active filter circuits.
• Microphone Preamplifiers: Low-noise characteristics make it suitable for boosting low-level audio signals from microphones.

Applications:

• Audio Mixing Consoles: Used for pre-amplification, signal buffering, and gain staging in professional mixers.
• Voltage Comparators: You can configure the IC to perform precise voltage comparison functions in control systems.
• Instrumentation Amplifiers: Moreover, two amplifiers in the IC can easily form the basis of a high common-mode rejection ratio (CMRR) instrumentation amplifier.
• Signal Buffering and Isolation: Used to maintain signal integrity and prevent loading effects between circuit stages.

Equivalent Models:

• RC4558 / NE5532: The NE5532 is pin-compatible but offers significantly lower noise and higher performance, often serving as an upgrade.
• LM358 (Pinout Note): Although also a dual op-amp, the LM358 has a different internal architecture and pinout, however, it performs similar general-purpose functions.
• KA4558 / TL072: The KA4558 is a direct functional equivalent; conversely, the TL072 is a JFET input op-amp providing higher input impedance.

Package Includes:

• 1 x JRC4558D Dual Operational Amplifier IC DIP-8