Stk412530 Datasheet Fix -

: Uses a class H-like shift power supply circuit to reduce power loss during amplification. Application & Circuit Implementation

Counterfeit STK ICs are rampant. Use these tips from datasheet comparisons: stk412530 datasheet

| Pin No. | Symbol | Function | |---------|--------|----------| | 1 | +Vcc | Positive power supply (+25.5V) | | 2 | OUT1 | Channel 1 output (to speaker) | | 3 | GND | Ground (power and signal return) | | 4 | -Vcc | Negative power supply (-25.5V) | | 5 | IN1- | Channel 1 non-inverting input (or inverting – check schematic) | | 6 | IN1+ | Channel 1 inverting input (signal input usually) | | 7 | GND | Ground | | 8 | IN2+ | Channel 2 inverting input | | 9 | IN2- | Channel 2 non-inverting input | | 10 | GND | Ground | | 11 | -Vcc | Negative power supply | | 12 | OUT2 | Channel 2 output | | 13 | +Vcc | Positive power supply | | 14 | NC | No connection (or internal compensation) | | 15 | Bootstrap 1 | Bootstrap capacitor for channel 1 | | 16 | Bootstrap 2 | Bootstrap capacitor for channel 2 | : Uses a class H-like shift power supply

STK412-530, УНЧ, 2 канала - Промэлектроника | Symbol | Function | |---------|--------|----------| | 1

The STK412-530 is part of the STK series of hybrid ICs, known for their "brick" style packaging. Unlike monolithic ICs, these hybrid modules contain discrete transistors and resistors mounted on an insulated metal substrate, offering better heat dissipation and sound characteristics similar to discrete amplifiers.

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The datasheet provides a standard application circuit featuring: