Datasheet Details
- Part number
- LM4809
- Manufacturer
- National Semiconductor
- File Size
- 903.45 KB
- Datasheet
- LM4809_NationalSemiconductor.pdf
- Description
- Dual 105mW Headphone Amplifier
LM4809 Description
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.
LM4809 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
LM4809 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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