LM4808 Texas instruments

LM4808

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LM4808

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Описание

The LM4808 is a dual audio power amplifier capable of delivering 105mW per channel of continuous average power into a 16Ω load with 0.1% (THD+N) from a 5V power supply. Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components using surface mount packaging. Since the LM4808 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems. The unity-gain stable LM4808 can be configured by external gain-setting resistors.

WSON, VSSOP, and SOIC Surface Mount Packaging
Switch On/Off Click Suppression
Excellent Power Supply Ripple Rejection
Unity-Gain Stable
Minimum External Components

Key Specifications

THD+N at 1kHz at 105mW Continuous Average Output Power Into 16Ω 0.1 % (typ)
THD+N at 1kHz at 70mW Continuous Average Output Power Into 32Ω 0.1 % (typ)
Output Power at 0.1% THD+N at 1kHz Into 32Ω 70 mW (typ)

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Output power (W)	0.105
Analog supply (min) (V)	2
Analog supply (max) (V)	5.5
Load (min) (Ω)	16
PSRR (dB)	89
Rating	Catalog
Operating temperature range (°C)	-40 to 85
Headphone channels	Stereo
Volume control	No
Architecture	Class-AB
Iq per channel (typ) (mA)	0.6