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LM4866 Datasheet Preview

LM4866 Datasheet

2.2W Stereo Audio Amplifier

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LM4866
www.ti.com
SNAS137E – JULY 2001 – REVISED MARCH 2013
LM4866
2.2W Stereo Audio Amplifier
Check for Samples: LM4866
FEATURES
1
2 Stereo BTL Amplifier Mode
• “Click and Pop” Suppression Circuitry
• Unity-Gain Stable
• Thermal Shutdown Protection Circuitry
• TSSOP and Exposed-DAP WQFN Packages
KEY SPECIFICATIONS
• PO at 1% THD+N
– LM4866LQ, 3Ω load: 2.5W(typ)
– LM4866LQ, 4Ω load: 2.2W(typ)
– LM4866MTE, 3Ω load: 2.5W(typ)
– LM4866MTE, 4Ω load: 2.2W(typ)
– LM4866MTE, 8Ω load: 1.1W(typ)
– LM4866MT, 8Ω load: 1.1W(typ)
• Shutdown current: 0.7μA(typ)
• Supply voltage range: 2.0V to 5.5V
APPLICATIONS
• Multimedia Monitors
• Portable and Desktop Computers
• Portable Televisions
DESCRIPTION
The LM4866 is a bridge-connected (BTL) stereo
audio power amplifier which, when connected to a 5V
supply, delivers 2.2W to a 4Ω load or 2.5W to a 3Ω
load with less than 1.0% THD+N (see Notes below).
With the LM4866 packaged in the WQFN, the
customer benefits include low thermal impedance,
low profile, and small size. This package minimizes
PCB area and maximizes output power.
The LM4866 features an externally controlled, low-
power consumption shutdown mode, and thermal
shutdown protection. It also utilizes circuitry to reduce
“clicks and pops” during device turn-on.
Boomer audio power amplifiers are designed
specifically to use few external components and
provide high quality output power in a surface mount
package.
Note: An LM4866PWP or LM4866NHW that has
been properly mounted to a circuit board will deliver
2.2W into 4. The other package options for the
LM4866 will deliver 1.1W into 8. See the Application
Information sections for further information
concerning the LM4866PWP and LM4866NHW.
Note: An LM4866PWP or LM4866NHW that has
been properly mounted to a circuit board will deliver
2.5W into 3.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2001–2013, Texas Instruments Incorporated




etcTI

LM4866 Datasheet Preview

LM4866 Datasheet

2.2W Stereo Audio Amplifier

No Preview Available !

LM4866
SNAS137E – JULY 2001 – REVISED MARCH 2013
Typical Application
www.ti.com
Note: Pin out shown for WQFN package. Refer to the Connection Diagrams for the pinout of the TSSOP package.
Connection Diagrams
Top View
Figure 1. TSSOP Package
See Package Number PW0020A
2
Submit Documentation Feedback
Product Folder Links: LM4866
Copyright © 2001–2013, Texas Instruments Incorporated



Part Number LM4866
Description 2.2W Stereo Audio Amplifier
Maker etcTI
Total Page 3 Pages
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LM4866 Datasheet PDF





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