Overview
The RC4558PSRG4 is a dual general-purpose operational amplifier produced by Texas Instruments. This device is part of the RC4558 family, which is known for its wide supply voltage range, low noise, and excellent distortion performance. The RC4558 is designed to be used in various audio and industrial applications, offering high common-mode input voltage range and the absence of latch-up, making it ideal for voltage-follower applications. The internal frequency compensation ensures stability without the need for external components.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 10V to 30V | V |
| Gain-Bandwidth Product | 4MHz | Hz |
| Noise Voltage | 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 |
| Rise Time | 67ns (VI = 20mV, CL = 100pF) | ns |
| Overshoot | 16.8% (VI = 20mV, CL = 100pF) | % |
| Supply Current (both amplifiers) | 2.5mA to 5.6mA (full range) | mA |
| 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% at 1kHz
- Continuous short-circuit protection
- Unity-gain bandwidth: 4MHz typical
Applications
- AV receivers
- Professional audio mixers
- Soundbars
- Wireless speakers
- Industrial applications requiring high accuracy and low noise
Q & A
- What is the supply voltage range of the RC4558?
The supply voltage range of the RC4558 is from 10V to 30V.
- What is the gain-bandwidth product of the RC4558?
The gain-bandwidth product of the RC4558 is 4MHz.
- What is the typical noise voltage of the RC4558?
The typical noise voltage of the RC4558 is 6.5nV/√Hz at 10kHz.
- What is the total harmonic distortion + noise (THD+N) of the RC4558?
The THD+N of the RC4558 is 0.0001% at 1kHz, with VO = 3VRMS and RL = 2kΩ.
- Does the RC4558 require external frequency compensation?
No, the RC4558 does not require external frequency compensation due to its internal frequency compensation.
- What are the common package types for the RC4558?
The common package types for the RC4558 include D (SOIC, 8), DGK (VSSOP, 8), P (PDIP, 8), PS (SOP, 8), and PW (TSSOP, 8).
- What is the slew rate of the RC4558?
The slew rate of the RC4558 is 2.2V/μs.
- What is the common-mode rejection ratio (CMRR) of the RC4558?
The CMRR of the RC4558 is 94dB.
- What are some typical applications of the RC4558?
The RC4558 is typically used in AV receivers, professional audio mixers, soundbars, wireless speakers, and various industrial applications.
- How should power supply bypass capacitors be used with the RC4558?
Place 0.1μF bypass capacitors close to the power-supply pins to reduce errors coupling in from noisy or high impedance power supplies.
