The typical application circuit is a (no output coupling capacitor needed). Below is a detailed component-level schematic.
| Pin No. | Symbol | Description | |---------|----------|---------------------------------| | 1 | IN+ (R) | Non-inverting input – Right | | 2 | NF (R) | Negative feedback / bootstrap | | 3 | GND | Signal ground | | 4 | OUT (R) | Right channel output | | 5 | V– | Negative power supply (–Vcc) | | 6 | OUT (L) | Left channel output | | 7 | GND | Power ground | | 8 | V+ | Positive power supply (+Vcc) | | 9 | NF (L) | Negative feedback / bootstrap | | 10 | IN+ (L) | Non-inverting input – Left | | 11 | NC / GND | No connect (or auxiliary ground)| | 12 | GND | Substrate ground (usually connected to pin 3/7) | stk411-210e circuit diagram
STK411-210E is a thick-film hybrid integrated circuit (IC) designed by Sanyo (now part of ON Semiconductor/Panasonic) for high-fidelity audio power amplification. It typically operates as a 2-channel amplifier with a split power supply, delivering high-performance sound with low distortion. 🛠️ Technical Specifications Based on the STK411 series datasheet The typical application circuit is a (no output