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| 型号： | 152911207-001 |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 350mWAudio Power Amplifier with Shutdown Mode |
| 中文描述： | 350mWAudio功率放大器关断模式 |
| 文件页数： | 1/21页 |
| 文件大小： | 877K |
| 代理商： | 152911207-001 |
HWD21
19
350mW Audio Power Amplifier with Shutdown Mode
General Description
The
HWD
21
19 is a mono bridged power amplifier that is ca-
pable of delivering 350mW
RMS
output power into a 16
load
or 300mW
RMS
output power into an 8
load with 10%
THD+N from a 5V power supply.
The
HWD
21
19
audio
power amplifier is designed
specifically
to provide high quality output power and mini
mize PCB
area with surface mount packaging and a minimal
amount
of external components. Since the
HWD
21
19 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
HWD
21
19
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
n
THD+N at 1kHz, 300mW continuous average output
power into 8
n
Shutdown Current
10% (max)
10% (max)
0.7μA (typ)
Features
n
LLP, SOP, and MSOP surface mount packaging.
n
Switch on/off click suppression.
n
Unity-gain stable.
n
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
Audio Power Amplifier
1
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