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參數資料
| 型號： | KB4863M |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | Dual 2.2W Audio Amplifier Plus Stereo Headphone Function |
| 中文描述： | 雙2.2W的立體聲音頻放大器加上耳機功能 |
| 文件頁數： | 1/19頁 |
| 文件大?。?/td> | 610K |
| 代理商： | KB4863M |
KB4863
Dual 2.2W Audio Amplifier Plus Stereo Headphone
Function
General Description
The KB4863 is a dual bridge-connected audio power ampli-
fier which, when connected to a 5V supply, will deliver 2.2W
to a 4
load (Note 1) or 2.5W to a 3
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 when
driving 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 sim-
plify audio system design, the KB4863 combines dual bridge
speaker amplifiers and stereo headphone amplifiers on one
chip.
The KB4863 features an externally controlled, low-power
consumption shutdown mode, a stereo headphone amplifier
mode, and thermal shutdown protection. It also utilizes cir-
cuitry to reduce “clicks and pops” during device turn-on.
Note 1:
An KB4863MTE or KB4863LQ that has been properly mounted to
a circuit board will deliver 2.2W into 4
. The other package options for the
KB4863 will deliver 1.1W into 8
. See the Application Information sections
for further information concerning the KB4863MTE and KB4863LQ.
Note 2:
An KB4863MTE or KB4863LQ that has been properly mounted to a
circuit board and forced-air cooled will deliver 2.5W into 3
.
Key Specifications
n
P
O
at 1% THD+N
n
KB4863LQ, 3
, 4
loads
n
KB4863MTE, 3
, 4
loads
n
KB4863MTE, 8
load
n
KB4863, 8
n
Single-ended mode THD+N at 75mW into
32
n
Shutdown current
n
Supply voltage range
2.5W(typ), 2.2W(typ)
2.5W(typ), 2.2W(typ)
1.1W(typ)
1.1W(typ)
0.5%(max)
0.7μA(typ)
2.0V to 5.5V
Features
n
Stereo headphone amplifier mode
n
“Click and pop” suppression circuitry
n
Unity-gain stable
n
Thermal shutdown protection circuitry
n
SOIC, DIP, TSSOP and exposed-DAP TSSOP and LLP
packages
Applications
n
Multimedia monitors
n
Portable and desktop computers
n
Portable televisions
Typical Application
Note: Pin out shown for DIP and SO packages. Refer to the Connection Diagrams for the pinout of the TSSOP, Exposed-DAP TSSOP, and Exposed-DAP
LLP packages.
KingborTechnologyCo.,Ltd
TEL:(86)0755-83095458 FAX:(86)0755-88364052
KB4863
1/19
Rev: 1.1
2005-12-05
相關PDF資料 |
PDF描述 |
|---|---|
| KB4863MT | Dual 2.2W Audio Amplifier Plus Stereo Headphone Function |
| KB4863N | Dual 2.2W Audio Amplifier Plus Stereo Headphone Function |
| KB6206 | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| KB6206P202ME | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| KB6206P212ME | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
相關代理商/技術參數 |
參數描述 |
|---|---|
| KB4863MT | 制造商:KINGBOR 制造商全稱:KINGBOR 功能描述:Dual 2.2W Audio Amplifier Plus Stereo Headphone Function |
| KB4863MTE | 制造商:KINGBOR 制造商全稱:KINGBOR 功能描述:Dual 2.2W Audio Amplifier Plus Stereo Headphone Function |
| KB4863N | 制造商:KINGBOR 制造商全稱:KINGBOR 功能描述:Dual 2.2W Audio Amplifier Plus Stereo Headphone Function |
| KB491D | 制造商:KEXIN 制造商全稱:Guangdong Kexin Industrial Co.,Ltd 功能描述:Schottky Barrier Diodes |
| KB4A101K-L018B-ROHS | 制造商:Hitano Enterprise Corp 功能描述:Bulk |
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