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MC4863 Datasheet

Dual 2.2W Audio Amplifier Plus Stereo Headphone Function

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MC4863
Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
General Description
The MC4863 is a dual bridge-connected audio
power amplifier which, when connected to a 5V
supply, will deliver 2.2W to a 4Ω load(No t e 1) or
2.5W to a 3Ω load(Note 2) with less than 1.0%
THD+N. In addition, the headphone input pin
allows the amplifiers to operate in single-ended
mode to drive stereo headphones.
Boomer audio power amplifiers were designed
specifically to provide high quality output power
from a surface mount package while requiring
few external components,to simplify audio system
design, it combines dual bridge speaker amp-
lifiers and stereo headphone amplifiers on one
chip.
The MC4863 features an externally controlled,
low-power consumption shutdown mode, a stereo
headphone amplifier mode, and thermal shut-
down protection. It also utilizes circuitry to reduce
“clicks and pops” during device turn-on.
Features
. PO at 1% THD+N
into 3Ω
2.5W(typ)
into 4Ω
. Into 8Ω
Single-ended mode - THD+N
2.2W(typ)
1.1W(typ)
0.5%(max)
at 75mW into 32Ω
. Shutdown current
0.7μA(typ)
. Stereo headphone amplifier mode
. “Click and pop” suppression circuitry
. Unity-gain stable
. Thermal shutdown protection circuitry
. The available in a SOP16 package and
TSSOP16-EP,TSSOP20 and TSSOP20-EP
packages
Applications
. Multimedia monitors
. Portable and desktop computers
. Portable televisions
Note 1: An MC4863 which has been properly mounted to the circuit board will deliver 2.2W into 4Ω.The other
package options for the MC4863 will deliver 1.1W into 8Ω. See the Application Information section for MC4863
usage infor-mation.
Note 2: An MC4863 which has been properly mounted to the circuit board and forced-air cooled will deliver 2.5W
into 3Ω.
www.megapower. com.cn
1
Feb,2012 Rev.2.0
Free Datasheet http://www.Datasheet4U.com




MegaPower

MC4863 Datasheet Preview

MC4863 Datasheet

Dual 2.2W Audio Amplifier Plus Stereo Headphone Function

No Preview Available !

MC4863
Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
Pin Configuration
SOP16
Top View
TSSOP16-EP
1
SHUTDOWN
GND 2
+OUTA 3
VDD 4
-OUTA 5
-INA 6
GND 7
+INA 8
16
HP-IN
15 GND
14 +OUTB
13 VDD
12 -OUTB
11 -INB
10 BYPASS
9 +INB
Top View
TSSOP20
TSSOP20- EP
Top View
Top View
www.megapower. com.cn
2
Feb,2012 Rev.2.0
Free Datasheet http://www.Datasheet4U.com


Part Number MC4863
Description Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
Maker MegaPower
Total Page 21 Pages
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