ADV7176AKSZ Analog Devices Inc, ADV7176AKSZ Datasheet - Page 29

• Manufacturer Part Number: ADV7176AKSZ
• Manufacturer: Analog Devices Inc

Specifications of ADV7176AKSZ

• Adc/dac Resolution: 10b
• Screening Level: Commercial
• Package Type: MQFP
• Pin Count: 44
• Lead Free Status / RoHS Status: Compliant

The circuit below can be used to generate a 13.5 MHz waveform using the 27 MHz clock and the HSYNC pulse. This waveform
is guaranteed to produce the 13.5 MHz clock in synchronization with the 27 MHz clock. This 13.5 MHz clock can be used if
the 13.5 MHz clock is required by the MPEG decoder. This will guarantee that the Cr and Cb pixel information is input to the
ADV7175A/ADV7176A in the correct sequence.
RESET
TELETEXT PULL-UP AND
PULL-DOWN RESISTORS
SHOULD ONLY BE USED
IF THESE PINS ARE NOT
CONNECTED
TTX
TTX REQ
5V (V
5V (V
(SAME CLOCK AS USED BY
AA
CC
4k
100k
100k
100nF
)
)
MPEG2 DECODER)
27MHz CLOCK
“UNUSED
INPUTS
SHOULD BE
GROUNDED”
CLOCK
HSYNC
5V (V
AA
0.1 F
)
5V (V
5V (V
2–9, 12–14
AA
AA
10k
38–42,
0.1 F
)
)
D
CK
35 SCRESET/RTC
15
16
17
37 TTX
36 TTX REQ
44
25
33
22
P15–P0
V
BLANK
RESET
CLOCK
COMP
HSYNC
FIELD/VSYNC
REF
Q
ALSB
18
ADV7175A
ADV7176A
V
POWER SUPPLY DECOUPLING
FOR EACH POWER SUPPLY GROUP
AA
1, 11, 20, 28, 30
GND
10, 19, 21
29, 43
SCLOCK
DAC D
DAC A
SDATA
DAC C
DAC B
R
SET
0.1 F
27
26
31
32
23
24
34
0.01 F
150
75
75
75
75
100
100
D
CK
5V (V
Q
5V (V
AA
10 F
ADV7175A/ADV7176A
)
CC
5k
)
(FERRITE BEAD)
13.5MHz
5V (V
S VIDEO
L1
CC
5k
)
MPU BUS
33 F
(V
GND
5V
CC
)