Difference between revisions of "AudioAmp380"

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* Pre-amp plus power amp
 
* Pre-amp plus power amp
* Gain potentiometers
+
* Gain potentiometer
 
* [https://www.ti.com/lit/ds/symlink/lm380.pdf LM380] 2.5W Audio Power Amplifier
 
* [https://www.ti.com/lit/ds/symlink/lm380.pdf LM380] 2.5W Audio Power Amplifier
 
** Wide Supply Voltage Range: 10V-22V
 
** Wide Supply Voltage Range: 10V-22V

Revision as of 13:53, 28 September 2021

AudioAmp380-3D.png

Design

  • Pre-amp plus power amp
  • Gain potentiometer
  • 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
  • Fits into 80x50x20mm extruded aluminum enclosure

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Assembly Sheet

LM380 Rev 1 Assembly Sheet