Difference between revisions of "AudioAmp380"
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** Common-Mode Rejection Ratio 100 dB Typ | ** Common-Mode Rejection Ratio 100 dB Typ | ||
** Wide Supply-Voltage Range ±3 V to ±20 V | ** Wide Supply-Voltage Range ±3 V to ±20 V | ||
| + | ** Used as single supply | ||
* Fits into 80x50x20mm extruded aluminum enclosure | * Fits into 80x50x20mm extruded aluminum enclosure | ||
` | ` | ||
Revision as of 12:57, 15 October 2021
Design
- Pre-amp plus power amp
- 50 Ohm input impedance
- External mount gain potentiometer
- Gain potentiometer on preamp
- LM380 2.5W Audio Power Amplifier
- Wide Supply Voltage Range: 10V-22V
- Low Quiescent Power Drain: 0.13W (VS= 18V)
- Voltage Gain Fixed at 50 (34 dB)
- High Peak Current Capability: 1.3A
- Input Referenced to GND
- High Input Impedance: 150kΩ
- Low Distortion
- Quiescent Output Voltage is at One-Half of the Supply Voltage
- NE5534 Pre-amplifier
- Low-Noise Operational Amplifiers
- Equivalent Input Noise Voltage 3.5 nV/√Hz Typ
- Unity-Gain Bandwidth 10 MHz Typ
- Common-Mode Rejection Ratio 100 dB Typ
- Wide Supply-Voltage Range ±3 V to ±20 V
- Used as single supply
- Fits into 80x50x20mm extruded aluminum enclosure
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Schematic
