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LM4890MMX

Texas Instruments
Part Number LM4890MMX
Manufacturer Texas Instruments
Description 1 Watt Audio Power Amplifier
Published Apr 12, 2021
Detailed Description LM4890 www.ti.com SNAS138L – SEPTEMBER 2001 – REVISED MAY 2013 LM4890 1 Watt Audio Power Amplifier Check for Samples...
Datasheet PDF File LM4890MMX PDF File

LM4890MMX
LM4890MMX

Overview
LM4890 www.
ti.
com SNAS138L – SEPTEMBER 2001 – REVISED MAY 2013 LM4890 1 Watt Audio Power Amplifier Check for Samples: LM4890 FEATURES 1 •2 Available in Space-Saving Packages: DSBGA, VSSOP, SOIC, and WSON • Ultra Low Current Shutdown Mode • BTL Output Can Drive Capacitive Loads • Improved Pop & Click Circuitry Eliminates Noises During Turn-On and Turn-Off Transitions • 2.
2 - 5.
5V Operation • No Output Coupling Capacitors, Snubber Networks or Bootstrap Capacitors Required • Thermal Shutdown Protection • Unity-Gain Stable • External Gain Configuration Capability APPLICATIONS • Mobile Phones • PDAs • Portable Electronic Devices KEY SPECIFICATIONS • PSRR at 217Hz, VDD = 5V (Fig.
1): 62dB(typ.
) • Power Output at 5.
0V & 1% THD: 1W(typ.
) • Power Output at 3.
3V & 1% THD: 400mW(typ.
) • Shutdown Current: 0.
1μA(typ.
) DESCRIPTION The LM4890 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications.
It is cap...


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