Overview
The RC4558DGKR is a dual general-purpose operational amplifier produced by Texas Instruments. This device is part of the RC4558 family and is packaged in an 8-pin VSSOP (DGK) package. The RC4558 is designed to offer a wide supply voltage range of 10V to 30V, making it versatile for various applications. It features low noise, low distortion, and internal frequency compensation, ensuring stability without the need for external components. The device is suitable for both audio and industrial applications due to its excellent AC performance and high common-mode input voltage range.
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, 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 Type | VSSOP (DGK), 8 pins | |
| Package Size | 3mm × 4.9mm | mm |
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: 6.5 nV/√Hz typical at 10 kHz
- Low distortion and noise: 0.0001% at 1 kHz
- Continuous short-circuit protection
- Unity-gain bandwidth: 4 MHz typical
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.
- 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 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, with VO = 3VRMS and RL = 2kΩ.
- What is the slew rate of the RC4558?
The slew rate of the RC4558 is 2.2 V/μs.
- What is the common-mode rejection ratio (CMRR) of the RC4558?
The CMRR of the RC4558 is 94 dB.
- What are the typical operating temperatures for the RC4558 and RC4558I?
The RC4558 operates from 0°C to 70°C, while the RC4558I operates from -40°C to 85°C.
- What package types are available for the RC4558?
The RC4558 is available in several package types, including VSSOP (DGK), SOIC, PDIP, SOP, and TSSOP.
- What is the package size of the RC4558DGKR?
The package size of the RC4558DGKR (VSSOP) is 3mm × 4.9mm.
- What are some common applications of the RC4558?
The RC4558 is commonly used in AV receivers, professional audio mixers, soundbars, wireless speakers, and various industrial applications.
