MOSA MS6331GTR 16-bit stereo audio dac & headphone driver component less, low cost Datasheet

MOSA
MS6331
16-Bit Stereo Audio DAC & Headphone Driver
16-bit Stereo Audio DAC & Headphone Driver
Component Less, Low Cost
FEATURES
‧Fast setting time permits 2*, 4*, and 8* oversampling
(serial input) or double speed operation at 4*
oversampling
‧Compatible with most of the Japanese input formats;
time multiplexed, two's complement, TTL input level
‧ Housed in SOP8, MSOP8 package
‧Operation range: 2.5V~6.5V
‧Excellent Power Supply Rejection Ratio(PSRR)
‧Component less
‧No zero crossing distortion
‧Cost effective
APPLICATIONS
‧Multimedia system, MP3, PDA, Portable Digital Audio.
DESCRIPTION
The MS6331 is an integrated 16-bit voltage-output Digital-to-Analog Converter (DAC) and class AB stereo headphone
driver. The MS6331 is with the excellent Power Supply Rejection Ratio(PSRR). 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. These unique features, combined with its exceptional performance, make the
MS6331 ideally suited for use in digital audio equipment.
BLOCK DIAGRAM
VDD
-
BCK
WS
OUTL
+
HP
DAC
DATA
+
-
OUTR
CAP GND
REV 2
1/9
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MOSA
MS6331
16-Bit Stereo Audio DAC & Headphone Driver
PIN CONFIGURATION
Symbol
Pin
Description
VDD
1
Positive supply voltage
OUTL
2
Left channel output
OUTR
3
Right channel output
CAP
4
Capacitor
BCK
5
Bit clock input
WS
6
Word select input
DATA
7
Data input
VDD
1
OUTL
2
8
GND
7
DATA
MS6331
OUTR
3
6
WS
CAP
4
5
BCK
GND
8
Ground
Pin 4 : Capacitor = 1uF~10uF
ORDERING INFORMATION
Package
Part number
Packaging Marking
Transport Media
8-Pin SOP (lead free)
MS6331GTR
MS6331G
2.5k Units Tape and Reel
8-Pin SOP (lead free)
MS6331GU
MS6331G
100 Units Tube
8-Pin MSOP (lead free)
MS6331MGTR
6331G
3.5k Units Tape and Reel
8-Pin MSOP (lead free)
RoHS Compliance
MS6331MGU
6331G
80 Units Tube
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Rating
Unit
6.5
V
-3000 to 3000
VDD
Positive Supply Voltage
VESD
Electrostatic Handling
TSTG
Storage Temperature Range
-65 to 150
V
℃
TA
Operating Ambient Temperature Range
-40 to 85
℃
TJ
Maximum Junction Temperature
150
℃
TS
Soldering Temperature, 10 seconds
260
℃
RTHJA
Thermal Resistance from Junction to Ambient in Free Air
SOP8
210
℃/W
OPERATING RATINGS
Symbol
VDD
REV 2
Parameter
Supply Voltage
2/9
Min
Typ
Max
Unit
2.5
-
6.5
V
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MOSA
MS6331
16-Bit Stereo Audio DAC & Headphone Driver
3.3V ELECTRICAL CHARACTERISTICS
(Ta=25℃, VDD=3.3V, VSS=0V, f=1kHz, RL=32; unless otherwise specified)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
DC Characteristics
VCAP
Voltage at CAP
1.60
1.65
1.70
V
VDC
Output DC level
1.60
1.65
1.70
V
VFS
Full scale output voltage
-
1.87
-
V
IQ
Quiescent current
-
3.6
4
mA
PSRR
Power supply rejection ratio
CAP=2.2uF (100Hz)
50
55
-
dB
CAP=10uF (100Hz)
61
66
-
dB
CS
Channel separation
70
75
-
dB
VFS=0.568 * VDD
AC Characteristics
Res
Resolution
-
-
16
bits
THD+N
Total harmonic distortion plus
noise
-
-60
-56
dB
-
0.1
0.158
%
S/N
Signal-to-noise ratio
86
92
-
dB
Po
Maximum output power
(THD+N)/S < 0.1
49
52
-
mW
Vo
Maximum output voltage swing
(THD+N)/S < 0.1
2.5
2.6
-
Vpp
REV 2
3/9
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MOSA
MS6331
16-Bit Stereo Audio DAC & Headphone Driver
TYPICAL PERFORMANCE CHARACTERISTICS
VDD=5V
VDD=3.3V
VDD=2.7V
THD+N (%)
THD+N (%)
QUIESCENT CURRENT (mA)
(Ta=25℃, RL=32, sampling rate=4fs; unless otherwise specified)
f=1kHz
SUPPLY VOLTAGE (V)
FREQUENCY (Hz)
SUPPLY VOLTAGE (V)
Quiescent current vs. supply voltage
THD+N vs. frequency
THD+N vs. supply voltage
CAP=2.2uF
VDD=5V
VRR=-20dBV
CAP=10uF
CAP=2.2uF
VDD=3.3V
VRR=-20dBV
PSRR (dB)
CAP=10uF
PSRR (dB)
PSRR (dB)
CAP=10uF
CAP=2.2uF
VDD=2.7V
VRR=-20dBV
FREQUENCY (Hz)
FREQUENCY (Hz)
PSRR vs. frequency
PSRR vs. frequency
CHANNEL SEPARATION (dB)
FREQUENCY (Hz)
PSRR vs. frequency
SUPPLY VOLTAGE (V)
Channel separation vs. supply voltage
REV 2
4/9
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MOSA
MS6331
16-Bit Stereo Audio DAC & Headphone Driver
TIMING AND DATA FORMAT
The MS6331 accepts input serial data formats of 16-bit word length. Left and right data words are time
multiplexed. The MSB must always be first. The format of data input is shown in Figs. 1 and 2.
LEFT
WS
RIGHT
tr
tHB
tf
tLB
tHW
tSW
BCK
tcr
tSD
LSB
DATA
Fig.1
tHD
MSB
Timing and input signals.
LEFT
WS
RIGHT
BCK
DATA 2
1
0
15
14
13
2
1
MSB
Fig.2
Data format (BCK, WS, DATA)
Symbol
Parameter
0
15
14
LSB
MSB
13
2
1
0
LSB
Format of input signals.
Conditions
Min
Typ
Max
Unit
VIL
Input LOW level
-
-
0.8
V
VIH
Input HIGH level
2
-
-
V
l I IL l
l I IH l
f BCK
Input Leakage Current LOW
-
-
10
Input Leakage Current HIGH
-
-
10
A
A
Input Clock Frequency
-
-
18.4
MHz
BR
Bit Rate Data Input
-
-
18.4
Mbits/s
fWS
Word Select Input
-
-
384
kHz
tr
tf
t Cr
t HB
t LB
t SD
t HD
t HW
t SW
Rise Time
-
-
12
ns
Fall Time
-
-
12
ns
REV 2
Bit Clock Cycle Time
54
-
-
ns
Bit Clock High Time
15
-
-
ns
Bit Clock Low Time
15
-
-
ns
Data Set-up Time
12
-
-
ns
Data Hold Time to Bit Clock
2
-
-
ns
Word Select Hold Time
2
-
-
ns
Word Select Set-up Time
12
-
-
ns
5/9
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MOSA
MS6331
16-Bit Stereo Audio DAC & Headphone Driver
APPLICATION INFORMATION
Basic application example
MS6331
Digital audio
input
Note :
REV 2
5
BCK
CAP
4
6
WS
OUTR
3
7
DATA
OUTL
2
8
GND
VDD
1
10uF
Headphone
(32Ω)
47uF
47uF
PHONE JACK
VDD
Vo=1.87Vpp at VDD =3.3V
6/9
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MOSA
MS6331
16-Bit Stereo Audio DAC & Headphone Driver
EXTERNAL DIMENSIONS
8
5
Symbol
H
A
A1
B
C
D
H
E
e
L
E
1
4
Dimension in mm
Min
Max
1.35
1.75
0.10
0.25
0.33
0.51
0.19
0.25
4.80
5.00
5.80
6.20
3.80
4.00
1.27 BSC
0.40
1.27
Dimension in inch
Min
Max
0.0532 0.0688
0.0040 0.0098
0.013
0.020
0.0075 0.0098
0.1890 0.1968
0.2284 0.2440
0.1497 0.1574
0.050 BSC
0.016
0.050
D
L
A
A1
e
B
C
SOP8
Symbol
H
A
A1
A2
B
C
D
H
E
e
L
E
Dimension in mm Dimension in inch
Min
Max
Min
Max
0.81
1.12
0.032
0.048
0.05
0.15
0.002
0.006
0.76
0.86
0.030
0.038
0.28
0.38
0.011
0.015
0.13
0.23
0.005
0.009
2.90
3.10
0.114
0.122
4.70
5.10
0.185
0.201
2.90
3.10
0.114
0.122
0.65
0.026
0.40
0.66
0.016
0.026
D
A
A2
A1
e
L
B
C
MSOP8
REV 2
7/9
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MOSA
MS6331
16-Bit Stereo Audio DAC & Headphone Driver
TAPE AND REEL (Unit : mm)
2.0
0.30
0.05
0.05
1.5+0.1/-0.0 DIA
4.0
1.75
0.3R MAX
5.5
0.05
12.0 0.3
5.4
3.0
3.6
8.0
1.5 MIN
6.9
0.5 Radius Typical
2.0 1.7
SOP8
2.0
0.30
0.05
0.05
1.5+0.1/-0.0
4.0
1.75
0.3R MAX
5.5
0.05
12.0 0.3
3.3
5.2
8.0
1.5 MIN
0.3 Typical
4.2
3.4
1.6 1.2
MSOP8
REV 2
8/9
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MOSA
MS6331
16-Bit Stereo Audio DAC & Headphone Driver
DEMO BOARD
1
2
3
Function description
Label 1: Supply Input
The supply range is 2.5~6.5 VDC.
Label 2: Headphone Jack
Used 3.5mm diameter of headphone with 32ohm
Label 3: Digital Audio Input
Connected to digital audio signals.
Circuit
J5
1
2
C3
AVDD
100u
C6
104
*
J1
1
2
3
4
C1
100u
PHONEJACK
C2
100u
C4
10u
Vdd GND
O_L DATA
O_R
WS
CAP BCK
MS6331
J2
OUT_R
OUT_L
G
1
2
3
8
7
6
5
R1
1k
R2
1k
R3
1k
J3
1
2
3
4
BCK
WS
DATA
G
Audio source
Audio Out
REV 2
9/9
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