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CDB4329 参数 Datasheet PDF下载

CDB4329图片预览
型号: CDB4329
PDF下载: 下载PDF文件 查看货源
内容描述: 20位,立体声D / A转换器,用于数字音频 [20-Bit, Stereo D/A Converter for Digital Audio]
分类和应用: 转换器
文件页数/大小: 36 页 / 1538 K
品牌: CIRRUS [ CIRRUS LOGIC ]
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CS4329  
ANALOG CHARACTERISTICS (CONTINUED)  
Parameter  
Symbol  
Min  
Typ  
Max  
Unit  
Analog Output  
Differential Full Scale Output Voltage  
Output Common Mode Voltage  
Differential Offset  
(Note 5)  
1.90  
2.0  
2.2  
3
2.10  
-
Vrms  
V
-
-
15  
-
mV  
k  
pf  
AC Load Resistance  
R
C
4
-
-
L
Load Capacitance  
-
100  
L
Notes: 1. Triangular PDF Dithered Data  
2. AUTO-MUTE active. See parameter definitions  
3. The passband and stopband edges scale with frequency. For input sample rates, Fs, other than 48 kHz,  
the passband edge is 0.4535×Fs and the stopband edge is 0.5465×Fs.  
4. Group Delay for Fs=48 kHz 25/48 kHz=520 µs  
5. Specified for a fully differential output ±((AOUT+)-(AOUT-)). See Figure 12.  
SWITCHING CHARACTERISTICS (TA= -10 to 70°C; Logic 0 = AGND = DGND; Logic 1 = VD = VA = 5.25  
to 4.75 Volts; CL = 20 pF)  
Parameter  
MCLK / LRCK = 512  
Symbol  
Min  
1
Typ  
Max  
Unit  
kHz  
ns  
Input Sample Rate  
Fs  
-
-
-
-
-
-
-
50  
-
MCLK Pulse Width High  
MCLK Pulse Width Low  
MCLK Pulse Width High  
MCLK Pulse Width Low  
MCLK Pulse Width High  
MCLK Pulse Width Low  
External SCLK Mode  
SCLK Pulse Width Low  
SCLK Pulse Width High  
SCLK Period  
10  
10  
21  
21  
31  
32  
MCLK / LRCK = 512  
MCLK / LRCK = 384  
MCLK / LRCK = 384  
MCLK / LRCK = 256  
MCLK / LRCK = 256  
-
ns  
-
ns  
-
ns  
-
ns  
-
ns  
t
20  
20  
-
-
-
-
-
-
ns  
ns  
ns  
sclkl  
t
t
sclkh  
1
sclkw  
-------------------  
128(Fs)  
SCLK rising to LRCK edge delay  
t
20  
-
-
-
-
-
-
-
-
ns  
ns  
ns  
ns  
slrd  
SCLK rising to LRCK edge setup time  
SDATA valid to SCLK rising setup time  
SCLK rising to SDATA hold time  
Internal SCLK Mode  
t
20  
slrs  
t
20  
sdlrs  
t
20  
sdh  
1
SCLK Period  
SCLK / LRCK = 64  
t
-
-
-
-
-
-
-
-
ns  
ns  
ns  
ns  
sclkw  
----------------  
64(Fs)  
1
SDATA valid to SCLK rising setup time  
SCLK rising to SDATA hold time MCLK / LRCK = 256 or 512  
SCLK rising to SDATA hold time MCLK / LRCK = 384  
t
sdlrs  
-------------------  
+ 10  
512(Fs)  
t
1
sdh  
-------------------  
+ 15  
+ 15  
512(Fs)  
t
1
sdh  
-------------------  
384(Fs)  
DS153F1  
3