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LM4890 Datasheet PDF

Part Series:LM4890 Series
Category:Audio Amplifiers
Description:Audio Power Amplifier, AB, 1Channel, 1W, 2.2V to 5.5V, MSOP, 8Pins
Document:LM48903TLE/NOPB Datasheet PDF (72 Pages)

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LM4890MM/NOPB - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
8 Pin
Case/Package
VSSOP-8
Number of Circuits
1 Circuit
Number of Channels
1 Channel
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LM4890MM/NOPB - TI Function Overview

The LM4890MM/NOPB is an Audio Power Amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1W of continuous average power to an 8R BTL load with less than 1% distortion (THD+N) from a 5VDC power supply. Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4890 does not require output coupling capacitors or bootstrap capacitors and therefore is ideally suited for mobile phone and other low voltage applications where minimal power consumption is a primary requirement. The LM4890 features a low-power consumption shutdown mode, which is achieved by driving the shutdown pin with logic low. Additionally, the LM4890 features an internal thermal shutdown protection mechanism. The LM4890 is unity-gain stable and can be configured by external gain-setting resistors.
Ultralow current shutdown mode
BTL output can drive capacitive loads
Improved pop and click circuitry eliminates noises during turn-on and turn-off transitions
No output coupling capacitors, snubber networks or bootstrap capacitors required
Thermal shutdown protection
Unity-gain stable
External gain configuration capability
0.1µA (typical) Shutdown current
Green product and no Sb/Br
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