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PDF MS6335 Data sheet ( Hoja de datos )
| Número de pieza | MS6335 | |
| Descripción | (MS6334 / MS6335) 16-Bit Stereo Audio DAC Integrated Headphone Driver | |
| Fabricantes | Mosa Electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MS6335 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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MOSA
MS6334/6335
16bits Stereo Audio DAC integrated HP Driver with Volume Control
16bits Stereo Audio DAC Integrated Headphone
Driver with Volume Control
FEATURES
‧Operation range: 2.7V~5.5V
‧Volume control range : 6dB to –39dB, 1.5dB/step
‧Low power consumption, 17mW at VDD=3.3V
(Audio code = 0000H)
‧Mute function
‧Flexibility power management
‧No pop-noise
‧No zero crossing distortion
‧Audio format : Right justified, I2S
‧Serial control interface : I2C, SPI
‧Output voltage adjusted by the external resisters
‧Excellent Power Supply Rejection Ratio(PSRR)
‧Component less
‧Cost effective
‧Housed in SSOP20, SSOP16, QFN16 package
APPLICATIONS
Multimedia system, MP3, PDA, Portable Digital Audio.
DESCRIPTION
The MS6334 is a 16-bits voltage-output Digital-to-Analog Converter (DAC) integrated class AB stereo headphone
driver with volume control. It is fabricated in a CMOS process and features extremely low power dissipation, small
package size and easy application. The accuracy of the matched coarse current sources, combined with the unique
symmetrical decoding method, preclude zero-crossing distortion and ensures high quality audio reproduction.
The MS6334 has good feature for portable equipment, these features include the low voltage operation, low power
consumption, flexible power management, component less and small package SSOP20, make the MS6334 ideally
suited for use in portable digital audio equipments.
The MS6335 only has I2C interface, the smaller package SSOP16, QFN16 , and other functions are the same as the
MS6334.
BLOCK DIAGRAM
SDA SCL AO/CS MODE
Line-Lin Line-Lout HP-VDD HP-VSS
BCK
WS
DATA
Control Interface
DAC
-
+
OPAmp
+
-
Volume
Control
Mute
HP
HP
HP-Lout
HP-Rout
Preliminary 1.0
AVDD AVSS DVDD DVSS CAP
Line-Rin Line-Rout
1
www.mosanalog.com.tw
1 page  
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MOSA
MS6334/6335
16bits Stereo Audio DAC integrated HP Driver with Volume Control
3.3V ELECTRICAL CHARACTERISTICS
(Ta=25 , VDD=3.3V, VSS=0V, f=1kHz, RL=32Ω; unless otherwise specified)
Symbol
Parameter
Conditions
Min
DC Characteristics
VCAP
Voltage at CAP
VDC Output DC level
VFS Full scale output voltage
IQ Quiescent current
IPD Power down current
PSRR Power supply rejection ratio
VFS=0.02* RF *VDD
Mute on, code 0000H
CAP=2.2uF (100Hz)
CAP=10uF (100Hz)
1.60
1.60
VFS-10%
-
-
58
67
CS
ATT
Channel separation
Mute attenuation
76
100
AGA Gain/Attenuation
Max gain
Max attenuation
-
-
ASTEP
EGA
EIGA
Gain/Attenuation step
Gain/Attenuation step error
Interchannel gin/attenuation error
-
-
-
AC Characteristics
Res Resolution
-
THD+N
Total harmonic distortion plus
noise
-
-
S/N Signal-to-noise ratio
86
Po Maximum output power
(THD+N)/S < 0.1%
Vo Maximum output voltage swing (THD+N)/S < 0.1%
-
-
Bus Characteristics
VIH Bus high input level
VIL Bus low input level
-
0.3VDD
Typ
1.65
1.65
VFS
5.2
11
63
72
82
110
6
-39
1.5
0.3
0.3
-
-65
0.056
92
20
1.6
-
-
Max
1.70
1.70
VFS+10%
-
-
-
-
-
-
-
-
-
16
-60
0.1
-
-
-
0.7VDD
-
Unit
V
V
V
mA
uA
dB
dB
dB
dB
dB
dB
dB
dB
dB
bits
dB
%
dB
mW
Vpp
V
V
Note:
RF : Feedback resistor
Preliminary 1.0
5 www.mosanalog.com.tw
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MOSA
MS6334/6335
16bits Stereo Audio DAC integrated HP Driver with Volume Control
OPERATION PROCEDURE
The sequence of operation: power on→ active → power down → active → power off. The basic flowcharts are as
follows:
Power Turn On
Active
Power Off
Power Down
(Shut Down)
All the Digital Interface Signals
Pull Low
I2C pull low
Audio inputs pull low
(BCK, WS, DATA)
VDD = GND
Power On
VDD = Supply voltage
Default Codes Inside The Chip
Volume control :00H
Power down : 7FH
Audio format : 80H
Default Status
The chip is in the power down
mode, all devices are not active
Volume Mute On
Audio Format Selection
Right justified: 80H (default)
I2S: 81H
Power up
Code : 6DH
Wait 1sec
Code : 61H
All Devices are active
DAC Mute Off
Code : 60H
Volume Control
Default volume = mute
Volume up/down step by step
Active mode
All Devices are active
Volume Control
volume down to mute
both 2 channels mute on
Volume Control
volume down to mute
both 2 channels mute on
Power Off Preparation
code : 82H or 83H
wait 0.2 sec
Power Down
code : 6FH
All devices are not active
except CAPPD keep active
Keep All the Digital Interface
Signals unchanged
Power Down
code : 6FH
All devices are not active except
CAPPD keep active
All the Digital Interface Signals
Pull Low
I2C pull low
Audio inputs pull low
(BCK, WS, DATA)
Power Off
Disconnect VDD
VDD will be down to 0V
Fig.6 Operational procedure
Preliminary 1.0
11 www.mosanalog.com.tw
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| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet MS6335.PDF ] | |
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