Simple mono amplifier module with volume control based around the popular LM380 amplifier IC. It can deliver up to 2 Watts into an 8 Ohm speaker (not supplied) and can accept a 10-20Vdc supply.
The IC solders directly to the PCB and no heat sink is required. A volume control potentiometer included.
FeaturesSupply | 10-20Vdc |
Current | 300mA (standby < 25 mA, 7-15 mA typical) |
Output | > 2 Watt max. (4-8 ohms, 20V) > 1 Watt max. (4-8 ohms, 12V) > 0.5 Watt RMS continuous |
Freq. response | < 20 Hz to >100 kHz - 3dB |
THD | < 0.2% @ 1W |
S/N ratio | > 85 dB |
Gain | ~ 50 x or 34 dB maximum |
Input level | < 100 mV for full output |
Input Z | ~ 10 k ohm |
Fixing holes | 4 x M3 @ 34x33mm centres |
Board Dimensions | ~ 28H x 43W x 43D (mm) |
Connections | Screw terminal blocks |
Control Knob | KB0410 |
Product Format | SELF-ASSEMBLY Electronic Kit (KT) or PRE-ASSEMBLED Electronic Module (AS) Product Formats Info |
Documentation | User Manual LM380 Data Sheet |