This document introduces the availability of thick-film audio power amplifier ICs that are pin-compatible, allowing a single PCB to be designed and the amplifier output capacity to be changed simply by installing a hybrid IC. This new series of ICs was developed to ensure integration between systems. With this new series of ICs, it is even possible to change from a 3-channel amplifier to a 2-channel amplifier using the same PCB. Additionally, this new series of ICs supports a 6/3Ω drive to accommodate the low impedance of modern speakers.
This document is a datasheet for the SANYO STK401-020, a thick-film hybrid IC designed as a 2-channel audio power amplifier with a split power supply. It offers a minimum output of 15W + 15W with a total harmonic distortion (THD) of 0.4%. The IC is designed for pin compatibility with the STK400-000 series, allowing for easy PCB redesign to switch between 2-channel and 3-channel configurations.
| Output Power (min) | 15 W + 15 W |
|---|---|
| Maximum Supply Voltage | +29 V |
| Junction Temperature | 150 °C |
| Operating Substrate Temperature | 125 °C |
| Storage Temperature Range | -30 to +125 °C |
| Output Load Impedance | 6/3Q |
| Quiescent Current | 20 to 60 mA |
The STK401-020 provides a minimum output of 15W per channel.
Yes, it is pin-compatible with the STK400-000 series (3-channel/single package).
The maximum permissible junction temperature is 150°C.