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MS6853_1 参数 Datasheet PDF下载

MS6853_1图片预览
型号: MS6853_1
PDF下载: 下载PDF文件 查看货源
内容描述: 1.9W单声道/立体声300mW的功率放大器低工作电压,关机功能 [Mono 1.9W / Stereo 300mW Power Amplifier Low Voltage Operation, Shutdown Function]
分类和应用: 放大器功率放大器
文件页数/大小: 14 页 / 627 K
品牌: MOSA [ MOSA ELECTRONICS ]
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MOSA
MS6853
Mono 1.9W / Stereo 300mW Power Amplifier
Mono 1.9W / Stereo 300mW Power Amplifier
Low Voltage Operation, Shutdown Function
FEATURES
‧Operation
range: 2.4V ~ 6.5V
‧Shutdown
Current 18uA at 5V
‧Output
power, THD+N=1%
BTL, R
L
=3Ω, 2.1W at 5V
BTL, R
L
=4Ω, 1.9W at 5V, 0.83W at 3.3V, 500mW at 2.7V
BTL, R
L
=8Ω, 1.2W at 5V, 0.54W at 3.3V, 350mW at 2.7V
SE, R
L
=8Ω, 300mW at 5V, 125mW at 3.3V, 85mW at 2.7V
SE, R
L
=32Ω, 90mW at 5V, 43mW at 3.3V, 25mW at 2.7V
‧Headphone
sense
‧Unity-gain
stable, pop noise free
‧Space-saving
MSOP10 (enhance thermal pad), TSSOP14
APPLICATIONS
‧Desktop
computer’s sound card
‧Portable
audio devices
‧PDA
‧Handheld
games
‧Communication
headsets
‧Cross-reference:
SSM2250, LM4853, LM4858
DESCRIPTION
The MS6853 is a low distortion power amplifier that can drive a set of 1.9W of continuous average power into a mono
4Ω bridged-tied load (BTL) or 2 * 90mW into stereo 32Ω single ended (SE) loads headphone.
It
can automatically
switch between mono BTL and stereo SE modes utilizing a headphone sense pin. The BTL configuration eliminates
the need for external coupling capacitors on the output in most applications. The unity gain stable MS6853’s gain is set
by external gain-setting resistors.
The MS6853 has good feature for portable equipment, these features include the low voltage operation, micropower
consumption shutdown mode, enhance thermal pad and small package MSOP10, TSSOP14, make the MS6853 ideally
suited for use in portable digital audio equipments.
BLOCK DIAGRAM
V
DD
L-IN
-
+
A1
L-OUT / BTL OUT-
BYPASS
-
+
A2
V
DD
R-OUT
Mono / Stereo Mode
Switching Circuitry
BTL OUT+
R-IN
-
+
A3
HP-IN
V
DD
GND
Click/Pop
Reduction
Bias
SHUTDOWN
REV 6
1/14
www.mosanalog.com