Difference between revisions of "AudioAmp380"
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== Design == | == Design == | ||
| − | * 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 | ||
** Low Quiescent Power Drain: 0.13W (VS= 18V) | ** Low Quiescent Power Drain: 0.13W (VS= 18V) | ||
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** Low Distortion | ** Low Distortion | ||
** Quiescent Output Voltage is at One-Half of the Supply Voltage | ** Quiescent Output Voltage is at One-Half of the Supply Voltage | ||
| − | * Pre-amplifier | + | * [https://www.ti.com/lit/ds/symlink/ne5534.pdf 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 | ||
| + | ** | ||
== Assembly Sheet == | == Assembly Sheet == | ||
[[LM380 Rev 1 Assembly Sheet]] | [[LM380 Rev 1 Assembly Sheet]] | ||
Revision as of 13:16, 28 September 2021
Design
- 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
