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20 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The Texas Instruments LM380N-8 is a versatile power audio amplifier suitable for various consumer applications. It provides 2.5W of output power into a 4Ω load, operating from a wide supply voltage range of 10V to 22V.
Designed for simplicity and cost-effectiveness, the LM380N-8 features an internally fixed voltage gain of 34 dB (50). Its unique input stage allows for ground-referenced input signals, and the output automatically self-centers to half the supply voltage. The amplifier includes internal thermal limiting and is short-circuit proof, enhancing its reliability.
This audio amplifier is available in a standard dual-in-line package, with the LM380N variant utilizing a copper lead frame where the center pins on each side act as a heat sink, simplifying PC board layout. Typical applications include phonograph amplifiers, intercoms, line drivers, alarms, and TV sound systems.
Key electrical characteristics include a low quiescent power drain, high peak current capability of 1.3A, and high input impedance of 150kΩ. The THD + N at 1 kHz is typically 0.2%.
| Qty | Low | High |
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| 1+ | $1.48 | $1.48 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The LM380N-8 provides 2.5W of output power.
The LM380N-8 operates with a supply voltage range from 10V to 22V.
The minimum load impedance for the LM380N-8 is 4Ω.
The voltage gain of the LM380N-8 is fixed at 50.
The LM380N-8 operates within a temperature range of 0°C to 70°C.
The LM380N-8 uses analog input.
The LM380N-8 has a Class-AB input architecture.