LA4570 Dual Audio Power Amplifier IC 1.8V–3.6V 15mA DIP-16
The LA4570 is a high-performance, integrated dual-channel audio power amplifier designed specifically for low-voltage portable audio electronics. Engineered to deliver a complete acoustic solution on a single chip, it incorporates both a high-gain dual preamplifier stage (41dB) and a dual power amplifier stage (29dB). This integration minimizes external component requirements, making it an excellent choice for compact electronic designs and commercial sound applications.
Features
- All-in-One Audio Solution
- Low-Voltage Efficiency
- Robust Drive Capability
- High Signal Boost
Specifications
| Parameter | Specification |
|---|---|
| Package Type | DIP-16 |
| Maximum Supply Voltage (VCC MAX) | 4.5V |
| Typical Supply Voltage (VCC TYP) | 3V |
| Supply Voltage Range (VCC RNG) | 1.8V … 3.6V |
| Output Power (P0) | 2 × 0.02W (at RL = 32 Ω, THD = 10%) |
| Load Impedance (RL) | 16 Ω / 32 Ω |
| Total Harmonic Distortion (THD) | 10% |
| Typical Quiescent Current (ICCO TYP) | 9mA |
| Maximum Quiescent Current (ICCO MAX) | 15mA |
| Input Impedance (RIN) | 30kΩ |
| Preamplifier Gain | 41dB |
| Power Amplifier Gain | 29dB |
| Output Noise Voltage | 16μV |
Applications
- Portable pocket radios and media players.
- Low-power headphone amplifiers and listening stations.
- Battery-operated stereo equipment and compact audio modules.
- DIY electronic kits, educational training, and audio hobbyist prototyping.
Package Content
- 1 x LA4570 Dual Audio Power Amplifier IC 1.8V–3.6V 15mA DIP-16
