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Электронный компонент: MS6853MU

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MO
SA
MS6853
Mono 1.9W / Stereo 300mW Power Amplifier
REV 1.1 1
www.mosanalog.com
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, R
L
=3, 2.1W at 5V
BTL, R
L
=4, 1.9W at 5V, 0.83W at 3.3V, 500mW at 2.7V
BTL, R
L
=8, 1.2W at 5V, 0.54W at 3.3V, 350mW at 2.7V
SE, R
L
=8, 300mW at 5V, 125mW at 3.3V, 85mW at 2.7V
SE, R
L
=32, 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'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
4 bridged-tied load (BTL) or 2 * 90mW into stereo 32 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
SHUTDOWN
A2
-
+
L-IN
GND
V
DD
BYPASS
R-IN
BTL OUT+
R-OUT
L-OUT / BTL OUT-
HP-IN
V
DD
Mono / Stereo Mode
Switching Circuitry
A3
-
+
A1
-
+
V
DD
Click/Pop
Reduction
Bias
MO
SA
MS6853
Mono 1.9W / Stereo 300mW Power Amplifier
REV 1.1 2
www.mosanalog.com
PIN CONFIGURATION
Symbol
MSOP10
Pin
TSSOP14
Pin
Description
L-IN
1
2
Left channel input
SHUTDOWN 2
3
SHUTDOWN places the entire device in shutdown mode when held high.
TTL compatible input.
HP-IN 3
4
Headphone input detection.
A logical low sets BTL mode, a logical high sets SE mode.
GND 4
5
Ground
R-IN
5
6
Right channel input
R-OUT 6
9
Right
channel
output
BY PASS
7
10
BYPASS is the cap to the voltage divider for internal mid-supply bias.
This terminal should be connected to a 0.1-F to 10-F capacitor C
BP
.
BTL OUT+
8
11
Bridged-tied load positive output
VDD 9
12
Supply
voltage
L-OUT/BTL
OUT-
10 13
Left channel output or bridged-tied load negative output
nc -
1,7,8,14
No
connected
MSOP10
L-OUT / BTL OUT-
6
7
8
9
10
2
3
4
1
L-IN
SHUTDOWN
HP-IN
GND
5
R-IN
V
DD
BTL OUT +
BYPASS
R-OUT
Thermal
Pad
MS6853
TSSOP14
L-OUT / BTL OUT-
10
11
12
13
14
2
3
4
1
L-IN
SHUTDOWN
HP-IN
GND
5
R-IN
V
DD
BTL OUT +
BYPASS
R-OUT
9
6
8
7
nc
nc
nc
nc
MS6853



ORDERING INFORMATION
Package Part
number
Packaging Marking
Transport Media
10-Pin MSOP
MS6853MTR
6853
3.5k Units Tape and Reel
10-Pin MSOP
MS6853MU
6853
80 Units Tube
10-Pin MSOP (lead free)
MS6853MGTR
6853G
3.5k Units Tape and Reel
10-Pin MSOP (lead free)
MS6853MGU
6853G
80 Units Tube
14Pin TSSOP
MS6853TTR
MS6853
2.5Units Tape and Reel
14Pin TSSOP
MS6853TU
MS6853
98Units Tube
14Pin TSSOP (lead free)
MS6853TGTR
MS6853G
2.5Units Tape and Reel
14Pin TSSOP (lead free)
MS6853TGU
MS6853G
98Units Tube


MO
SA
MS6853
Mono 1.9W / Stereo 300mW Power Amplifier
REV 1.1 3
www.mosanalog.com
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter Rating
Unit
V
DD
Supply
voltage
6
V
V
ESD
Electrostatic handling
3500
V
T
STG
Storage temperature range
-65 to 150
T
A
Operating ambient temperature range
-40 to 85
T
J
Maximum junction temperature
150
T
S
Soldering temperature, 10 seconds
260
R
THJA
Thermal resistance from junction to ambient in free air
MSOP10 (enhance thermal pad)
TSSOP14
50
150
/W


OPERATING RATINGS
Symbol Parameter Min Typ Max Unit
V
DD
Supply
voltage
2.7 5 5.5 V


5V ELECTRICAL CHARACTERISTICS
Ta = 25C, V
DD
=5V, f=1kHz, BW<30kHz, unless otherwise specified.
Symbol Parameter
Conditions Min
Typ
Max
Unit
BTL Mode, V
IN
=0V, I
O
=0A - 2.4 - mA
I
Q
Quiescent current
SE Mode, V
IN
=0V, I
O
=0A - 1.6 - mA
I
SD
Shutdown current
SD Mode, V
SD
=V
DD
18 uA
V
SDH
Shutdown input voltage high
2.0
-
-
V
V
SDL
Shutdown input voltage low
-
-
0.8
V
CS Channel
separation
SE Mode, R
L
=32
100 110 -
dB
BTL Mode , R
L
=8
C
BP
=1uF, f=100Hz
- 73 - dB
PSRR
Power supply rejection ratio
SE Mode , R
L
=32
C
BP
=10uF, f=100Hz
- 64 - dB
- -73 -68 dB
THD+N
Total harmonic distortion plus
noise
SE mode, R
L
=32, 60mW
- 0.022 0.04 %
S/N
Signal-to-noise ratio
SE mode, A-weighting
90
95
-
dB
BTL Mode, R
L
= 3
THD+N = 1%
- 2.1 - W
BTL Mode, R
L
= 4
THD+N = 1%
- 1.9 - W
BTL Mode, R
L
= 8
THD+N = 1%
- 1.2 - W
SE Mode, R
L
=8
THD+N = 1%
- 300m - W
Po Output
power
SE Mode, R
L
= 32
THD+N = 1%
- 90m - W
MO
SA
MS6853
Mono 1.9W / Stereo 300mW Power Amplifier
REV 1.1 4
www.mosanalog.com
3.3 V ELECTRICAL CHARACTERISTICS
Ta = 25C, V
DD
=3.3V, f=1kHz, BW<30kHz, unless otherwise specified.
Symbol Parameter
Conditions Min
Typ
Max
Unit
BTL Mode, V
IN
=0V, I
O
=0A - 2.1 - mA
I
Q
Quiescent current
SE Mode, V
IN
=0V, I
O
=0A - 1.5 - mA
I
SD
Shutdown current
SD Mode, V
SD
=V
DD
- 12 - uA
CS Channel
separation
SE Mode, R
L
=32
100 110 -
dB
BTL Mode , R
L
=8
C
BP
=1uF, f=100Hz
- 73 - dB
PSRR
Power supply rejection ratio
SE Mode , R
L
=32
C
BP
=10uF, f=100Hz
- 67 - dB
- -70 -65 dB
THD+N
Total harmonic distortion plus
noise
SE mode, R
L
=32, 25mW
0.032
0.056 %
S/N
Signal-to-noise ratio
SE mode, A-weighting
89
94
-
dB
BTL Mode, R
L
= 4
THD+N = 1%
- 0.83 - W
BTL Mode, R
L
= 8
THD+N = 1%
- 0.54 - W
SE Mode, R
L
=8
THD+N = 1%
- 125m - W
Po Output
power
SE Mode, R
L
= 32
THD+N = 1%
- 43m - W

2.7 V ELECTRICAL CHARACTERISTICS
Ta = 25C, V
DD
=2.7V, f=1kHz, BW<30kHz, unless otherwise specified.
Symbol Parameter
Conditions Min
Typ
Max
Unit
BTL Mode, V
IN
=0V, I
O
=0A - 2
- mA
I
Q
Quiescent current
SE Mode, V
IN
=0V, I
O
=0A - 1.4 - mA
I
SD
Shutdown current
SD Mode, V
SD
=V
DD
- 7.5 - uA
CS Channel
separation
SE Mode, R
L
=32
100 110 -
dB
BTL Mode , R
L
=8
C
BP
=1uF, f=100Hz
- 73 - dB
PSRR
Power supply rejection ratio
SE Mode , R
L
=32
C
BP
=10uF, f=100Hz
- 67 - dB
- -69 -64 dB
THD+N
Total harmonic distortion plus
noise
SE mode, R
L
=32, 15mW
0.036
0.063 %
S/N
Signal-to-noise ratio
SE mode, A-weighting
87
92
-
dB
BTL Mode, R
L
= 4
THD+N = 1%
- 0.51 - W
BTL Mode; R
L
= 8
THD+N = 1%
- 0.35 - W
SE Mode; R
L
= 8
THD+N = 1%
- 85m - W
Po Output
power
SE Mode; R
L
= 32
THD+N = 1%
- 25m - W
MO
SA
MS6853
Mono 1.9W / Stereo 300mW Power Amplifier
REV 1.1 5
www.mosanalog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Ta = 25C, BW<30kHz, unless otherwise specified.
THD+N (%)
FREQUENCY (Hz)
THD+N (%)
FREQUENCY (Hz)
THD+N (%)
FREQUENCY (Hz)
THD+N vs. frequency
V
DD
=3.3V
BTL mode
R
L
=4
V
DD
=5V
BTL mode
R
L
=4
V
DD
=2.7V
BTL mode
R
L
=4
Po=1.9W
Po=0.8W
Po=0.5W
THD+N vs. frequency
THD+N vs. frequency



THD+N (%)
FREQUENCY (Hz)
FREQUENCY (Hz)
THD+N (%)
FREQUENCY (Hz)
V
DD
=3.3V
BTL mode
R
L
=8
V
DD
=5V
BTL mode
R
L
=8
V
DD
=2.7V
BTL mode
R
L
=8
Po=0.5W
Po=1.2W
Po=0.34W
THD+N (%)
Po=0.3W
Po=1W
Po=0.25W
THD+N vs. frequency
THD+N vs. frequency
THD+N vs. frequency


FREQUENCY (Hz)
THD+N (%)
FREQUENCY (Hz)
THD+N (%)
V
DD
=3.3V
SE mode
R
L
=32
V
DD
=5V
SE mode
R
L
=32
V
DD
=2.7V
SE mode
R
L
=32
Po=25mW
Po=90mW
Po=25mW
THD+N (%)
Po=60mW
Po=15mW
Po=35mW
FREQUENCY (Hz)
THD+N vs. frequency
THD+N vs. frequency
THD+N vs. frequency