Overview
The RC4558DGKRG4, produced by Texas Instruments, is a dual general-purpose operational amplifier. This device is characterized by its wide supply voltage range of 10V to 30V, low noise, and excellent distortion performance. The RC4558 is designed for 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 |
| Input Noise Voltage | 6.5 nV/√Hz (typical at 10kHz) | nV/√Hz |
| Total Harmonic Distortion + Noise (THD+N) | 0.0001% (at 1kHz, VCC = 30V, AVD = 1V/V, VO = 3VRMS, RL = 2kΩ) | % |
| Slew Rate | 2.2 V/μs | V/μs |
| Common-Mode Rejection Ratio (CMRR) | 94 dB | dB |
| Supply Current (both amplifiers) | 2.5 mA to 5.6 mA (full range) | mA |
| Operating Temperature Range | 0°C to 70°C (RC4558), -40°C to 85°C (RC4558I) | °C |
| Package Types | SOIC, VSSOP, PDIP, TSSOP, SOP |
Key Features
- Wide common-mode and differential voltage ranges
- No frequency compensation required
- Low power consumption
- No latch-up
- Gain and phase match between amplifiers
- Low noise: 6.5 nV/√Hz typical at 10 kHz
- Low distortion and noise: 0.0001% at 1 kHz
- Continuous short-circuit protection
- Internal frequency compensation for stability without external components
Applications
- AV receivers
- Professional audio mixers
- Soundbars
- Wireless speakers
- Industrial applications requiring low noise and high AC performance
Q & A
- What is the supply voltage range of the RC4558?
The supply voltage range of the RC4558 is 10V to 30V.
- What is the typical input noise voltage of the RC4558?
The typical input noise voltage of the RC4558 is 6.5 nV/√Hz at 10 kHz.
- What is the total harmonic distortion + noise (THD+N) of the RC4558?
The THD+N of the RC4558 is 0.0001% at 1 kHz, VCC = 30V, AVD = 1V/V, VO = 3VRMS, 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 is the slew rate of the RC4558?
The slew rate of the RC4558 is 2.2 V/μs.
- What are the common package types for the RC4558?
The RC4558 is available in SOIC, VSSOP, PDIP, TSSOP, and SOP packages.
- What is the operating temperature range for the RC4558?
The operating temperature range for the RC4558 is 0°C to 70°C, and for the RC4558I, it is -40°C to 85°C.
- Does the RC4558 have latch-up protection?
No, the RC4558 does not have latch-up.
- 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.
- What is the common-mode rejection ratio (CMRR) of the RC4558?
The CMRR of the RC4558 is 94 dB.
