See the Single-In-Line (SIL) Package IC TDA8511J

These days we are used to Dual In-line Package (DIP) ICs. In fact, I am seeing a Single-In-Line (SIL) Package IC for the first time. I located this one in an old amplispeaker which had been in my junk collection for quite some time. Opened it up today to see if there are any salvageable parts and I came across TDA8511J. A quick Google Search told me that it is a Single-In-Line (SIL) Package IC with 17 pins. You may recall that DIP ICs have an even number of pins. TDA8511J is designed for multimedia applications, active speaker systems, and car audio, featuring low thermal resistance, short-circuit protection, and a diagnostic facility for detecting clipping, temperature, or short circuits.

The TDA8511J is a 4-channel, 13W per-channel, single-ended class-B audio power amplifier, allowing it to drive four speakers simultaneously. The setup here was a 4.1 speaker system for playing stereo music from an old desktop computer.
Voltage Range: Operates on a supply voltage between 6V and 18V (typically 15V).
Gain: Features a fixed gain of 20 dB for each amplifier channel.
Protection: Includes built-in short-circuit protection (to ground and supply), thermal protection, and reverse polarity safety.
Modes: Supports Operating, Mute, and Standby modes via a mode select switch on pin 14.
Diagnostics: Features a diagnostic facility on pin 16 to detect distortion (clipping), short-circuits, and excessive temperature.