产品概览
LM3886TF/NOPB from TI is a high-performance 68W audio power amplifier. THD+N 0.03% at 60W. SNR >= 92dB. PSRR 120dB. +/-10V to +/-42V supply. TO-220-11 insulated package (TF). Auto-mute, OVP/UVP/OTP protection.
工作原理
Class-AB audio amplifier with thermal protection. Output stage drives speaker directly through coupling capacitor (single supply) or directly (split supply). SPIKE protection for overvoltage and overtemperature. Auto-mute during power-up/down.
Pin Description
| 针脚 | 名称 | 功能 |
|---|---|---|
| 1 | V+ | Positive supply |
| 3 | OUTPUT | Speaker output |
| 4 | V- | Negative supply |
| 8 | 静音 | Mute control |
| 9 | IN- | Inverting input |
| 10 | IN+ | Non-inverting input |
应用
- Hi-Fi audio amplifiers
- Home theater systems
- Active speaker systems
Alternative Models
| 制造商 | 部件编号 | 说明 |
|---|---|---|
| TI | LM3886T/NOPB | Non-insulated package |
| TI | LM3875TF/NOPB | 56W version |