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PDF L-4863 Datasheet ( Hoja de datos )

Número de pieza L-4863
Descripción Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
Fabricantes Unisonic Technologies 
Logotipo Unisonic Technologies Logotipo

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L-4863 Hoja de datos, Descripción, Manual
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UNISONIC TECHNOLOGIES CO., LTD
L4863
DUAL 2.2W AUDIO AMPLIFIER
PLUS STEREO HEADPHONE
FUNCTION
SOP-16
CMOS IC
SOP-18
DESCRIPTION
The UTC L4863 is a dual bridge-connected audio power
amplifier. It combines dual bridge speaker amplifiers and stereo
headphone amplifiers on one chip to simplify audio system design.
In addition, the headphone input pin allows the amplifiers to
operate in single-ended mode when driving stereo headphones.
The IC could deliver different power by packages as below (when
connected to a 5V supply with less than 1.0% THD+N.):
- HTSSOP-20, 4load: 2.2W
- HTSSOP-20, 3load: 2.5W(with forced-air cooled)
- SOP/DIP , 8load: 1.1W.
The UTC L4863 features an externally controlled, low-power
consumption shutdown mode, a stereo headphone amplifier mode,
and thermal shutdown protection. It also utilizes circuitry to reduce
“clicks and pops” during device turn-on.
FEATURES
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* “Click and pop” suppression
* Thermal shutdown protection
* Unity-gain stable
* Stereo headphone amplifier mode
DIP-16
HTSSOP -20
*Pb-free plating product number: L4863L
DataShee
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
Package
L4863-D16-T
L4863L-D16-T
DIP-16
L4863-S16-R
L4863L-S16-R
SOP-16
L4863-S16-T
L4863L-S16-T
SOP-16
L4863-S18-R
L4863L-S18-R
SOP-18
L4863-S18-T
L4863L-S18-T
SOP-18
L4863-N20-R L4863L-N20-R HTSSOP-20
L4863-N20-T
L4863L-N20-T HTSSOP-20
Packing
Tube
Tape Reel
Tube
Tape Reel
Tube
Tape Reel
Tube
LM4863L-D16-T
(1)Packing Type
(2)Package Type
(3)Lead Plating
(1) R: Tape Reel, T: Tube
(2) D16: DIP-16, S16: SOP-16, S18: SOP-18,
N 20: HTSSOP-20
(3) L: Lead Free Plating, Blank: Pb/Sn
DataSheet4U.cwowmw.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
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L-4863 pdf
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L4863
TYPICAL CHARACTERISTICS
(For HTSSOP-20)
THD+N vs Output Power
10
VDD=5V, RL=3Ω
BW<80kHz
1
20Hz
20KHz
0.1
0.01 1KHz
0 10m
0.1
Level (W)
1
5
CMOS IC
THD+N vs Frequency
10
VDD=5V, RL=3Ω
POUT=2.2W, BW<80kHz
1
0.1
0.01
0 20
100 1k
Frequency (Hz)
10k 20k
et4U.com
THD+N vs Output Power
10
VDD=5V, RL=4Ω
BW<80kHz
1
20Hz
0.1
20KHz
THD+N vs Frequency
10
VDD=5V, RL=4Ω
POUT=2.0W, BW<80kHz
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0.1
0.01 1KHz
0 10m
0.1
13
Level (W)
0.01
0 20
100 1k 10k 20k
Frequency (Hz)
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2 Power Dissipation vs Power Output
VDD=5V
3
1.5
4
1
0.5
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0
0 0.5 1 1.5 2 2.5
Power Out (W)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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