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20W Audio Power Amplifier
LM1875
transistor
The LM1875 is a high-power audio amplifier designed for Class AB operation. It supports power outputs up to 20W and features typical performance characteristics such as THD vs Power Output, THD vs Frequency, and Power Dissipation vs Power Output.
In stock
Specifications
3- Operating Voltage
- +/-25V to +/30V (depending on power output) +/-15V to +/25V for lower power outputs.
- Power Output
- Up to 20W W
- Package
- Surface Mount (SMD)
Pinout
30| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | GND | GND | Ground |
| 2 | VCC | POWER | Supply Voltage |
| 3 | R1 | GPIO | Resistor for biasing |
| 4 | R2 | GPIO | Resistor for biasing |
| 5 | C1 | GND | Decoupling Capacitor |
| 6 | C2 | GND | Decoupling Capacitor |
| 7 | R3 | GPIO | Resistor for biasing |
| 8 | R4 | GPIO | Resistor for biasing |
| 9 | C3 | GND | Decoupling Capacitor |
| 10 | C4 | GND | Decoupling Capacitor |
| 11 | R5 | GPIO | Resistor for biasing |
| 12 | R6 | GPIO | Resistor for biasing |
| 13 | C5 | GND | Decoupling Capacitor |
| 14 | C6 | GND | Decoupling Capacitor |
| 15 | R7 | GPIO | Resistor for biasing |
| 16 | R8 | GPIO | Resistor for biasing |
| 17 | C7 | GND | Decoupling Capacitor |
| 18 | C8 | GND | Decoupling Capacitor |
| 19 | R9 | GPIO | Resistor for biasing |
| 20 | R10 | GPIO | Resistor for biasing |
| 21 | C9 | GND | Decoupling Capacitor |
| 22 | C10 | GND | Decoupling Capacitor |
| 23 | R11 | GPIO | Resistor for biasing |
| 24 | R12 | GPIO | Resistor for biasing |
| 25 | C11 | GND | Decoupling Capacitor |
| 26 | C12 | GND | Decoupling Capacitor |
| 27 | R13 | GPIO | Resistor for biasing |
| 28 | R14 | GPIO | Resistor for biasing |
| 29 | C13 | GND | Decoupling Capacitor |
| 30 | C14 | GND | Decoupling Capacitor |
Interactive pinout
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LM1875
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