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HWD2119 Datasheet

  • HWD2119

  • 350mWAudio Power Amplifier with Shutdown Mode

  • 868.40KB

  • 21页

  • ETC

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HWD2119
Audio Power Amplifier
350mW Audio Power Amplifier with Shutdown Mode
General Description
The
HWD2119
is a mono bridged power amplifier that is ca-
pable of delivering 350mW
RMS
output power into a 16鈩?load
or 300mW
RMS
output power into an 8鈩?load with 10%
THD+N from a 5V power supply.
The
HWD2119
audio power amplifier is designed
specifically
to provide high quality output power and minimize
PCB
area with surface mount packaging and a minimal
amount
of external components. Since the
HWD2119
does not
require output coupling capacitors, bootstrap capacitors or
snubber networks, it is optimally suited for low-power por-
table applications.
The closed loop response of the unity-gain stable
HWD2119
can be configured using external gain-setting resistors. The
device is available in LLP, MSOP, and SO package types to
suit various applications.
Key Specifications
n
THD+N at 1kHz, 350mW continuous average output
power into 16鈩?/div>
10% (max)
n
THD+N at 1kHz, 300mW continuous average output
power into 8鈩?/div>
10% (max)
n
Shutdown Current
0.7碌A (typ)
Features
n
n
n
n
LLP, SOP, and MSOP surface mount packaging.
Switch on/off click suppression.
Unity-gain stable.
Minimum external components.
Applications
n
General purpose audio
n
Portable electronic devices
n
Information Appliances (IA)
Typical Application
FIGURE 1. Typical Audio Amplifier Application Circuit
1

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