
ASAHI KASEI 
[AK4702EQ] 
MS0424-E-00 
2005/09 
- 12 - 
Note: 14. TVRC, TVG, TVB. 
Note: 15. Refer the Figure 1. 
Video Signal Output
75 ohm 
75 ohm
max: 400pF 
C1 
R1 
R2 
max: 15pF 
C2 
Figure 1. Load Resistance R1+R2, and Load Capacitance C1 and C2. 
Note: 16. AC load. Refer the Figure 2. 
Video Signal Output
20k ohm
(AC load)
max: 15pF 
C2 
R1 
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; C
L 
= 20pF) 
Parameter 
Master Clock Frequency     256fs:
         Duty Cycle                               
384fs: 
         Duty Cycle                              
LRCK Frequency 
Duty Cycle 
Audio Interface Timing 
BICK Period 
         BICK Pulse Width Low 
                    Pulse Width High 
         BICK “
↑
” to LRCK Edge         (Note: 17) 
         LRCK Edge to BICK “
↑
”         (Note: 17) 
         SDTI Hold Time 
         SDTI Setup Time 
Control Interface Timing (I
2
C Bus): 
        SCL Clock Frequency 
        Bus Free Time Between Transmissions 
        Start Condition Hold Time  
                 (prior to first clock pulse) 
        Clock Low Time 
        Clock High Time 
        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 
Reset Timing 
         PDN Pulse Width                      (Note: 19) 
Symbol 
fCLK 
dCLK 
fCLK 
dCLK 
fs 
Duty 
tBCK 
tBCKL 
tBCKH 
tBLR 
tLRB 
tSDH 
tSDS 
Min 
2.048 
40 
3.072 
40 
8 
45 
312.5 
100 
100 
50 
50 
50 
50 
- 
4.7 
4.0 
4.7 
4.0 
4.7 
0 
0.25 
- 
- 
4.0 
0 
typ 
max 
12.8 
60 
19.2 
60 
50 
55 
Units 
MHz 
% 
MHz 
% 
kHz 
%
ns 
ns 
ns 
ns 
ns 
ns 
ns 
kHz 
μ
s 
μ
s 
μ
s 
μ
s 
μ
s 
μ
s 
μ
s 
μ
s 
μ
s 
μ
s 
ns 
   fSCL 
   tBUF 
   tHD:STA 
   tLOW 
   tHIGH 
   tSU:STA 
   tHD:DAT 
   tSU:DAT 
   tR 
   tF 
   tSU:STO 
   tSP 
100 
- 
- 
- 
- 
- 
- 
- 
1.0 
0.3 
- 
50 
tPD 
150 
ns