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L-4863 Schematic ( PDF Datasheet ) - Unisonic Technologies

Teilenummer L-4863
Beschreibung Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
Hersteller Unisonic Technologies
Logo Unisonic Technologies Logo 




Gesamt 10 Seiten
L-4863 Datasheet, Funktion
www.DataSheet4U.com
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
DataSheet4U.com
* “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
DataSheet4 U .com
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L-4863 Datasheet, Funktion
www.DataSheet4U.com
L4863
TYPICAL CHARACTERISTICS(Cont.)
(For DIP-16, SOP-16 and SOP-18)
THD+N vs Frequency
5
VDD=5V, R0=1W
RL=8
1 Bridged Load, No Filters
AVD=20
AVD=10
0.1 AVD=2
CMOS IC
THD+N vs Frequency
5
VDD=5V, R0=150mW
RL=16, CO=100µF
Single Ended, No Filters
1
AV=-10
AV=-5
0.1 AV=-1
et4U.com
0.01
0 20
100 1k 10k 20k
Frequency (Hz)
0.01
0 20
100 1k 10k 20k
Frequency (Hz)
THD+N vs Frequency
5
VDD=5V, R0=75mW
RL=32Ω, CO=1000μF
1 Single Ended, No Filters
AV=-10
AV=-5
0.1 AV=-1
THD+N vs Output Power
10
VDD=5V, RL=8Ω
Bridged Load
AVD=2,BW<80kHz
1
DataSheet4U.com
f=20Hz
0.1 f=20kHz
0.01
0 20
100 1k
10k 20k
Frequency (Hz)
f=1kHz
0.01
0 10m
0.1
12
Output Power (W)
THD+N vs Output Power
10
VDD=5V, RL=16Ω
Single Ended
AV= -1,
1 BW<80kHz
f=20kHz
0.1 f=20Hz
0.01
0 10m
f=1kHz
0.1
Output Power (W)
0.5
THD+N vs Output Power
10
VDD=5V, RL=32Ω
Single Ended
AV= -1, BW<80kHz
1
f=20Hz
0.1 f=20kHz
0.01
0 10m
f=1kHz
0.1
Output Power (W)
0.2
DataShee
DataSheet4U.com
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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