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PA4819 Schematic ( PDF Datasheet ) - Unisonic Technologies

Teilenummer PA4819
Beschreibung 350mW AUDIO POWER AMPLIFIER
Hersteller Unisonic Technologies
Logo Unisonic Technologies Logo 




Gesamt 7 Seiten
PA4819 Datasheet, Funktion
UNISONIC TECHNOLOGIES CO., LTD
PA4819
350mW AUDIO POWER
AMPLIFIER WITH
SHUTDOWN MODE
CMOS IC
„ DESCRIPTION
As a mono bridged power amplifier which is operating on a
single 5V supply, the UTC PA4819 is capable of delivering
350mWRMS of output power per channel into 16loads with less
than 10% THD+N and also delivering 300mWRMS of output power
per channel into 8loads with less than 10% THD+N.
The UTC PA4819 is optimally suited for low-power portable
applications because of the it do not require output coupling
capacitors, bootstrap capacitors or snubber networks.
By using external gain-setting resistors, the closed loop
response of the unity-gain stable PA4819 can be configured.
„ FEATURES
* Output power at 10% THD+N
Supply voltage:5V
Delivering 350mWRMS into a 16load
Delivering 300mWRMS into a 8load
* With shutdown mode
* Stable unity-gain.
Lead-free: PA4819L
Halogen-free: PA4819G
„ ORDERING INFORMATION
Normal
PA4819-S08-R
PA4819-S08-T
Ordering Number
Lead Free
PA4819L-S08-R
PA4819L-S08-T
Halogen Free
PA4819G-S08-R
PA4819G-S08-T
Package
SOP-8
SOP-8
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2008 Unisonic Technologies Co., Ltd
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QW-R502-241.A






PA4819 Datasheet, Funktion
PA4819
„ TYPICAL CHARACTERISTICS
Output Waveform
8
VDD=5V, RL=16Ω
6 f=1KHz, THD=10%
4
2
0 Vp-p= 6.72
-2
-4
-6
-8
0
400
800
1200
1600
2000
Time (µs)
8
6
4
2
0
-2
-4
-6
-8
0
CMOS IC
Output Waveform
VDD=5V, RL=8Ω
f=1KHz, THD=10%
Vp-p=4.60
400
800
1200
1600
2000
Time (µs)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
6 of 7
QW-R502-241.A

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