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PDF MS6853 Data sheet ( Hoja de datos )
| Número de pieza | MS6853 | |
| Descripción | Mono 1.9W Stereo 300mW Power Amplifier Low Voltage Operation | |
| Fabricantes | Mosa Electronics | |
| Logotipo |  |
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MOSA
MS6853
Mono 1.9W / Stereo 300mW Power Amplifier
Mono 1.9W / Stereo 300mW Power Amplifier
Low Voltage Operation, Pop Noise Free
FEATURES
‧Operation range: 2.7V~5.5V
‧Shutdown Current 18uA at 5V
‧Output power, THD+N=1%
BTL, RL=3Ω, 2.1W at 5V
BTL, RL=4Ω, 1.9W at 5V, 500mW at 2.7V
BTL, RL=8Ω, 1.2W at 5V, 350mW at 2.7V
SE, RL=8Ω, 300mW at 5V, 85mW at 2.7V
SE, RL=32Ω, 90mW at 5V, 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’s
‧Handheld games
‧Communication headsets
‧Cross-reference:
SSM2250, LM4853
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
L-IN
BYPASS
R-IN
VDD
GND
-
A1
+
VDD
-
A2
+
- A3
+
Mono / Stereo Mode
Switching Circuitry
VDD
Click/Pop
Reduction
Bias
REV 1
1
L-OUT / BTL OUT-
BTL OUT+
R-OUT
HP-IN
SHUTDOWN
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MOSA
TYPICAL PERFORMANCE CHARACTERISTICS
Ta = 25°C, BW<30kHz, unless otherwise specified.
VDD=5V
BTL mode
RL=4Ω
VDD=3.3V
BTL mode
RL=4Ω
MS6853
Mono 1.9W / Stereo 300mW Power Amplifier
VDD=2.7V
BTL mode
RL=4Ω
Po=1.9W
Po=0.8W
Po=0.5W
FREQUENCY (Hz)
THD+N vs. frequency
VDD=5V
BTL mode
RL=8Ω
Po=1.2W
Po=1W
FREQUENCY (Hz)
THD+N vs. frequency
VDD=5V
SE mode
RL=32Ω
Po=90mW
Po=60mW
FREQUENCY (Hz)
THD+N vs. frequency
REV 1
FREQUENCY (Hz)
THD+N vs. frequency
VDD=3.3V
BTL mode
RL=8Ω
Po=0.5W
Po=0.3W
FREQUENCY (Hz)
THD+N vs. frequency
VDD=2.7V
BTL mode
RL=8Ω
Po=0.34W
Po=0.25W
FREQUENCY (Hz)
THD+N vs. frequency
FREQUENCY (Hz)
THD+N vs. frequency
VDD=3.3V
SE mode
RL=32Ω
Po=25mW
Po=35mW
FREQUENCY (Hz)
THD+N vs. frequency
VDD=2.7V
SE mode
RL=32Ω
Po=25mW
Po=15mW
FREQUENCY (Hz)
THD+N vs. frequency
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MOSA
DEMO BOARD
MSOP10 (Thermal Pad)
MS6853
Mono 1.9W / Stereo 300mW Power Amplifier
TSSOP14
REV 1
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| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MS6853.PDF ] | |
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