LM4809 Datasheet - National Semiconductor

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LM4809 Dual 105mW Headphone Amplifier

LM4809 Dual 105mW Headphone Amplifier with Active-Low Shutdown Mode November 2002 LM4809 Dual 105mW Headphone Amplifier with Active-Low Shutdown Mod.
The LM4809 is a dual audio power amplifier capable of delivering 105mW per channel of continuous average power into a 16Ω load with 0.

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Datasheet Details

Part number:

LM4809

Manufacturer:

National Semiconductor

File Size:

903.45 KB

Description:

Dual 105mW Headphone Amplifier

Features

* an externally controlled, active-low, micropower consumption shutdown mode, as well as an internal thermal shutdown protection mechanism. Key Specifications n THD+N at 1kHz at 105mW continuous average power into 16Ω 0.1% (typ) n THD+N at 1kHz at 70mW continuous average power into 32Ω 0.1% (typ) n S

Applications

* n n n n Headphone Amplifier Personal Computers Microphone Preamplifier PDA’s Typical Application 20009001
* Refer to the Application Information Section for information concerning proper selection of the input and output coupling capacitors. FIGURE 1. Typical Audio Amplifier Application Circu

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LM4809 Dual 105mW Headphone Amplifier National Semiconductor

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