msm7652 Oki Semiconductor, msm7652 Datasheet - Page 34

• Manufacturer Part Number: msm7652
• Description: Ntsc/pal Digital Video Encoder
• Manufacturer: Oki Semiconductor

MSM7652
APPLICATION CIRCUIT EXAMPLE
Recommended Analog Output Circuit
Note: The termination of a DA converter analog output with a 37.5 W load eliminates need for
34
Controller
Overlay
an AMP.
LPF (Toko-make 621LJN-1471 is recommended.)
5 V or 3.3 V
YD[7:0]
CD[7:0]
YA
CA
CVBSO
Controller
150 W
MS
MODE
OUTSEL
CLKSEL
SEL1
SEL2
OLR
OLG
OLB
OLC
YD[7:0]
CD[7:0]
CLKX1O
VSYNC_L
HSYNC_L
BLANK_L
164 pF
I
2
C
3.6 mH
164 pF
MSM7652
R
L
5 V or 3.3 V
DGND
0.1 mF
150 W
R
L
3.3 V
AGND
+
–
3.3 V
+AVCC
–AVCC
CLKX2
CVBSO
COMP
0.1 mF
V
560 W
560 W
YA
CA
FS
75 W
REF
R
¡ Semiconductor
C
1000 mF
+
R1
R1
R1
Typ. 1.25 V
LPF
LPF
LPF
R
3.3 V
C
C
C
OUTPUT
C
C
= 500
= 0.1 F
AMP
AMP
AMP
VR