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PDF M4334 Data sheet ( Hoja de datos )
| Número de pieza | M4334 | |
| Descripción | STEREO AUDIO D/A CONVERTER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de M4334 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
M4334
STEREO AUDIO D/A
CONVERTER 24BITS,96KHZ
SAMPLING
DESCRIPTION
The UTC M4334 is a complete low cost stereo audio digital to
analog converter(DAC), its contains interpolation, 1-bit D/A conversion
and analog output filtering. The M4334 is based on a 4th order Δ-Σ
modulation, where the modulator output controls the reference voltage
input to an ultra-liner analog low-pass filter. This architecture allows
for infinite adjustment of sample rate between 2 kHz and 100 kHz
simply by changing the master clock frequency.
The M4334 also contains digital de-emphasis function, operates
from a single +5V power supply, for best performance, decoupling
capacitors should be located as close to the device package as
possible with the smallest capacitor closest, the M4334 requires
minimal support circuitry.
The M4334 is ideal for DVD players, set-top boxes, SVCD
players and A/V receivers.
FEATURES
* Complete stereo DAC: Includes Output Analog Filter and DAC
* Dynamic Range: 96dB
* THD+N: -88dB
* Multiple Sampling Frequencies: 16kHz to 96kHz
* Low Clock Jitter Sensitivity
* Single Power Supply: 5V
* Filtered Line Level Outputs
* On-Chip Digital De-emphasis
* Normal or I2S Data Input Formats
* 24Bits Conversion
ORDERING INFORMATION
Ordering Number
M4334G-S08-R
Package
SOP-8
Packing
Tape Reel
CMOS IC
SOP-8
www.unisonic.com.tw
Copyright © 2010 Unisonic Technologies Co., Ltd
1 of 9
QW-R502-441A
1 page  
M4334
CMOS IC
ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
SYMBOL
TEST
CONDITIONS
Base-Rate Mode
MIN TYP MAX
Ambient Operating Temperature TOPR
16-bit ,
un-weighted
-40
83
91
85
Dynamic Range
16-bit ,
a-weighted
18 to 24-bit,
un-weighted
86
85
94
93
18 to 24-bit ,
a-weighted
88
96
16-bit,
0dB
-86 -70
16-bit,
-20dB
-71 -63
Total Harmonic Distortion
+Noise
THD+N
16-bit,
-60dB
18 to 24-bit,
0dB
-31 -23
-88 -82
18 to 24-bit,
-20dB
-73 -65
18 to 24-bit,
-60dB
-33 -25
High-Rate Mode
MIN TYP MAX
-40 85
88
86 94
90
88 96
-86 -80
-68 -60
-28 -20
-88 -82
-70 -62
-30 -22
UNIT
°C
dB
dB
SWITCHING CHARCTERISTICS
(TA=-40 to 85°C;VA=4.75V~5.5V; Input: Logic 0=0V, Logic 1=VA, CL=20pF)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Input Sample Rate
fS
2
MCLK Pulse Width High
MCLK/LRCK=512
10
MCLK Pulse Width Low
MCLK/LRCK=512
10
MCLK Pulse Width High
MCLK/LRCK=384 or 192
21
MCLK Pulse Width Low
MCLK/LRCK=384 or 192
21
MCLK Pulse Width High
MCLK/LRCK=256 or 128
31
MCLK Pulse Width Low
MCLK/LRCK=256 or 128
31
EXTERNAL SCLK MODE
LRCK Duty Cycle
SCLK Pulse Width High
SCLK Pulse Width Low
SCLK Period
tSCLKH
tSCLKL
tSCLKW
MCLK/LRCK=512,256 or 384
MCLK/LRCK=128 or 192
40
20
20
1
(128) Fs
1
(64) Fs
SCLK rising to LRCK edge delay
SCLK rising to LRCK edge setup time
SDATA valid to SCLK rising setup time
SCLK rising to SDATA hold time
INTERNAL SCLK MODE
LRCK duty cycle
tSLRD
tSLRS
tSDLRS
tSDH
20
20
20
20
SCLK Period
tSCLKW
1
SCLK
SCLK rising to LRCK edge
tSCLKR
SDATA valid to SCLK rising setup time tSDLRS
1 +10
(512) Fs
SCLK rising to SDATA hold time
tSDH
MCLK/LRCK=128 , 256 or 512
1 +15
(512) Fs
SCLK rising to SDATA hold time
tSDH MCLK/LRCK=192 or 384
1 +15
(384) Fs
TYP
50
50
tsclkw
2
MAX UNIT
100 kHz
1000 ns
1000 ns
1000 ns
1000 ns
1000 ns
1000 ns
60 %
ns
ns
ns
ns
ns
ns
ns
ns
%
ns
μs
ns
ns
ns
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 9
QW-R502-441A
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet M4334.PDF ] | |
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