Texas Instruments 350mW Audio Power Amplifier with Shutdown Mode LM4819MBD/NOPB LM4819MBD/NOPB Scheda Tecnica
Codici prodotto
LM4819MBD/NOPB
SNAS133D – FEBRUARY 2001 – REVISED MARCH 2013
LM4819
350mW Audio Power Amplifier with Shutdown Mode
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FEATURES
DESCRIPTION
The LM4819 is a mono bridged power amplifier that
2
•
WSON, SOIC, and VSSOP Surface Mount
is capable of delivering 350mW
RMS
output power into
Packaging
a 16
Ω
load or 300mW
RMS
output power into an 8
Ω
•
Switch On/Off Click Suppression
load with 10% THD+N from a 5V power supply.
•
Unity-Gain Stable
The LM4819 Boomer audio power amplifier is
•
Minimum External Components
designed specifically to provide high quality output
power and minimize PCB area with surface mount
power and minimize PCB area with surface mount
KEY SPECIFICATIONS
packaging
and
a
minimal
amount
of
external
components. Since the LM4819 does not require
•
THD+N at 1kHz, 350mW Continuous Average
output coupling capacitors, bootstrap capacitors or
Output Power into 16
Ω
: 10% (max)
snubber networks, it is optimally suited for low-power
•
THD+N at 1kHz, 300mW Continuous Average
portable applications.
Output Power into 8
Ω
: 10% (max)
The closed loop response of the unity-gain stable
•
Shutdown Current: 0.7
μ
A (typ)
LM4819 can be configured using external gain-setting
resistors. The device is available in WSON, VSSOP,
resistors. The device is available in WSON, VSSOP,
APPLICATIONS
and SOIC package types to suit various applications.
•
General Purpose Audio
•
Portable Electronic Devices
•
Information Appliances (IA)
Typical Application
Figure 1. Typical Audio Amplifier Application Circuit
Connection Diagrams
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2001–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.