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RC4558D / 4558 DIP-8 Dual Operational Amplifier IC — Audio & Signal Processing (5pcs)
RC4558D / 4558 DIP-8 Dual Operational Amplifier IC Audio & Signal Processing (5pcs)
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RC4558D / 4558 — DIP-8 Dual Operational Amplifier IC
The RC4558D (commonly marked 4558) is a classic dual general-purpose operational amplifier in DIP-8 package, widely used in audio circuits, guitar effects pedals, active filters, and signal processing. With a unity-gain bandwidth of 1MHz and ±18V supply range, it's the go-to op-amp for audio and analog design. This listing provides 5 pieces — new and original.
Key Specifications
| Parameter | Value |
|---|---|
| Part Numbers | RC4558D / 4558 / RC4558 |
| Package | DIP-8 |
| Number of Op-Amps | 2 (dual) |
| Supply Voltage | ±3V to ±18V (single 6V–36V) |
| Unity Gain Bandwidth (GBW) | 1MHz (typ.) |
| Slew Rate | 1.7V/μs |
| Input Offset Voltage | 2mV (typ.) |
| Input Bias Current | 150nA (typ.) |
| Output Current | ±25mA |
| CMRR | 90dB (typ.) |
| Operating Temperature | 0°C to +70°C |
| Quantity | 5 PCS |
Why Choose RC4558D?
- ✅ Dual op-amp in DIP-8 — two independent amplifiers, one package
- ✅ Audio-grade performance — low noise, 90dB CMRR for clean signal amplification
- ✅ Wide supply range ±18V — compatible with ±12V, ±15V, and ±18V audio power rails
- ✅ Industry-standard pinout — pin-compatible with LM358, NE5532, TL072, JRC4558
- ✅ Guitar pedal staple — used in Boss DS-1, OD-1, and countless boutique pedal designs
Compatible With / Works With
- Guitar effects pedals: Boss DS-1 distortion, OD-1 overdrive, SD-1 super overdrive
- Active crossover filters (Sallen-Key, MFB topology)
- Arduino/ESP32 analog signal conditioning (instrumentation amp front-end)
- Audio mixer summing amplifier stages
- Phono preamp RIAA equalization circuits
Typical Applications
- Guitar Distortion Pedal — clipping amplifier stage in Boss DS-1 / OD-1 topology
- Audio Preamp — microphone and line-level signal amplification
- Active Low-Pass Filter — Sallen-Key 2nd-order filter for audio crossover
- Comparator — zero-crossing detector, window comparator (non-precision)
- Instrumentation Amp — differential signal amplification for sensor interfaces
RC4558 vs Common Alternatives
| IC | GBW | Noise | Best For |
|---|---|---|---|
| RC4558D | 1MHz | Medium | Guitar pedals, general audio |
| NE5532 | 10MHz | Low (5nV/√Hz) | Hi-fi audio, studio equipment |
| TL072 | 3MHz | Low (18nV/√Hz) | Audio, JFET input |
| LM358 | 1MHz | Medium | Single-supply, general purpose |
FAQ
Q: Is RC4558D the same as JRC4558D?
A: Yes. JRC4558D is the Japan Radio Corporation version; RC4558D is the Raytheon/Texas Instruments version. Electrically identical, pin-compatible, and interchangeable in all circuits.
Q: Can RC4558D replace NE5532 in audio circuits?
A: Functionally yes, but NE5532 has lower noise (5nV/√Hz vs ~15nV/√Hz) and higher GBW (10MHz). For guitar pedals, RC4558D is preferred for its characteristic warm clipping. For hi-fi preamps, NE5532 is superior.
Q: What supply voltage does RC4558D need for 9V guitar pedal use?
A: Guitar pedals typically use a single 9V supply. Wire pin 8 to +9V and pin 4 to GND. The op-amp operates in single-supply mode with output biased at ~4.5V via a voltage divider.
Package Contents
- 5× RC4558D / 4558 DIP-8 Dual Operational Amplifier IC
