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AK4702EQ 参数 Datasheet PDF下载

AK4702EQ图片预览
型号: AK4702EQ
PDF下载: 下载PDF文件 查看货源
内容描述: 双声道DAC,具有AV SCART开关 [2ch DAC with AV SCART switch]
分类和应用: 开关消费电路商用集成电路
文件页数/大小: 39 页 / 465 K
品牌: AKM [ ASAHI KASEI MICROSYSTEMS ]
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ASAHI KASEI  
[AK4702EQ]  
Note: 14. TVRC, TVG, TVB.  
Note: 15. Refer the Figure 1.  
R1  
75 ohm  
Video Signal Output  
R2  
75 ohm  
C2  
max: 15pF  
C1  
max: 400pF  
Figure 1. Load Resistance R1+R2, and Load Capacitance C1 and C2.  
Note: 16. AC load. Refer the Figure 2.  
Video Signal Output  
R1  
20k ohm  
(AC load)  
C2  
max: 15pF  
Figure 2. Load Resistance R1 and Load Capacitance C1  
SWITCHING CHARACTERISTICS  
(Ta = 25°C; VP=10.0 12.6V, VD = 4.75 5.25V, VVD1=VVD2 = 4.75 5.25V; CL = 20pF)  
Parameter  
Master Clock Frequency 256fs:  
Duty Cycle  
Symbol  
fCLK  
dCLK  
fCLK  
dCLK  
fs  
Min  
2.048  
40  
3.072  
40  
typ  
max  
12.8  
60  
19.2  
60  
Units  
MHz  
%
MHz  
%
kHz  
%
384fs:  
Duty Cycle  
LRCK Frequency  
Duty Cycle  
8
45  
50  
55  
Duty  
Audio Interface Timing  
BICK Period  
tBCK  
tBCKL  
tBCKH  
tBLR  
tLRB  
tSDH  
tSDS  
312.5  
100  
100  
50  
50  
50  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
BICK Pulse Width Low  
Pulse Width High  
BICK “” to LRCK Edge  
LRCK Edge to BICK “”  
SDTI Hold Time  
(Note: 17)  
(Note: 17)  
50  
SDTI Setup Time  
Control Interface Timing (I2C Bus):  
SCL Clock Frequency  
fSCL  
tBUF  
tHD:STA  
-
4.7  
4.0  
100  
-
-
kHz  
µs  
µs  
Bus Free Time Between Transmissions  
Start Condition Hold Time  
(prior to first clock pulse)  
Clock Low Time  
Clock High Time  
tLOW  
tHIGH  
tSU:STA  
tHD:DAT  
tSU:DAT  
tR  
4.7  
4.0  
4.7  
0
0.25  
-
-
4.0  
0
-
-
-
-
-
1.0  
0.3  
-
µs  
µs  
µs  
µs  
µs  
µs  
µs  
µs  
ns  
Setup Time for Repeated Start Condition  
SDA Hold Time from SCL Falling (Note: 18)  
SDA Setup Time from SCL Rising  
Rise Time of Both SDA and SCL Lines  
Fall Time of Both SDA and SCL Lines  
Setup Time for Stop Condition  
Pulse Width of Spike Noise  
Suppressed by Input Filter  
tF  
tSU:STO  
tSP  
50  
Reset Timing  
PDN Pulse Width  
(Note: 19)  
tPD  
150  
ns  
MS0424-E-00  
2005/09  
- 12 -