Overview
The RC4558PG4, produced by Texas Instruments, is a dual general-purpose operational amplifier. This device is designed to offer a wide range of features that make it suitable for various audio and industrial applications. The RC4558PG4 combines a wide supply voltage range (10V to 30V), low noise (6.5nV/√Hz), and excellent distortion performance (0.0001% THD+N), making it ideal for applications requiring high fidelity and stability.
The device features internal frequency compensation, which ensures stability without the need for external components. Additionally, it has a high common-mode input voltage range and is free from latch-up, making it suitable for voltage-follower applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 10V to 30V | V |
| Gain-Bandwidth Product | 4MHz | Hz |
| Noise | 6.5nV/√Hz (typical at 10kHz) | nV/√Hz |
| Total Harmonic Distortion + Noise (THD+N) | 0.0001% (at 1kHz, VO = 3VRMS, RL = 2kΩ) | % |
| Common-Mode Rejection Ratio (CMRR) | 94dB | dB |
| Slew Rate | 2.2V/μs | V/μs |
| Supply Current (both amplifiers) | 2.5mA to 5.6mA (full range) | mA |
| Rise Time | 67ns (VI = 20mV, CL = 100pF) | ns |
| Overshoot | 16.8% (VI = 20mV, CL = 100pF) | % |
| Package Types | D (SOIC, 8), DGK (VSSOP, 8), P (PDIP, 8), PS (SOP, 8), PW (TSSOP, 8) | - |
Key Features
- Wide common-mode and differential voltage ranges
- No frequency compensation required due to internal frequency compensation
- Low power consumption
- No latch-up
- Gain and phase match between amplifiers
- Low noise: 6.5nV/√Hz typical at 10kHz
- Low distortion and noise: 0.0001% THD+N at 1kHz
- Continuous short-circuit protection
- Unity-gain bandwidth: 4MHz typical
- Slew rate: 2.2V/μs
Applications
- AV receivers
- Professional audio mixers
- Soundbars
- Wireless speakers
- Industrial applications requiring high fidelity and stability
Q & A
- What is the supply voltage range of the RC4558PG4?
The supply voltage range of the RC4558PG4 is 10V to 30V.
- Does the RC4558PG4 require external frequency compensation?
No, the RC4558PG4 has internal frequency compensation and does not require external components for stability.
- What is the typical noise level of the RC4558PG4?
The typical noise level of the RC4558PG4 is 6.5nV/√Hz at 10kHz.
- What is the total harmonic distortion + noise (THD+N) of the RC4558PG4?
The THD+N of the RC4558PG4 is 0.0001% at 1kHz, with VO = 3VRMS and RL = 2kΩ.
- What is the common-mode rejection ratio (CMRR) of the RC4558PG4?
The CMRR of the RC4558PG4 is 94dB.
- What is the slew rate of the RC4558PG4?
The slew rate of the RC4558PG4 is 2.2V/μs.
- What are the typical applications of the RC4558PG4?
The RC4558PG4 is typically used in AV receivers, professional audio mixers, soundbars, wireless speakers, and various industrial applications.
- Does the RC4558PG4 have short-circuit protection?
- What are the package types available for the RC4558PG4?
The RC4558PG4 is available in D (SOIC, 8), DGK (VSSOP, 8), P (PDIP, 8), PS (SOP, 8), and PW (TSSOP, 8) packages.
- How should power supply bypass capacitors be used with the RC4558PG4?
Place 0.1μF bypass capacitors close to the power-supply pins to reduce errors coupling in from noisy or high impedance power supplies.
