ADV7177 Analog Devices, ADV7177 Datasheet - Page 9

• Manufacturer Part Number: ADV7177
• Description: Integrated Digital CCIR-601 to PAL/NTSC Video Encoder
• Manufacturer: Analog Devices

ABSOLUTE MAXIMUM RATINGS
V
Voltage on Any Digital Input Pin . . GND – 0.5 V to V
Storage Temperature (T
Junction Temperature (T
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . +260 C
Analog Outputs to GND
NOTES
1
2
Model
ADV7178KS
ADV7177KS
REV. 0
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the ADV7177/ADV7178 feature proprietary ESD protection circuitry, permanent
damage may occur on devices subjected to high energy electrostatic discharges. Therefore, pr oper
ESD precautions are recommended to avoid performance degradation or loss of functionality.
Stresses above those listed under Absolute Maximum Ratings may cause permanent
Analog output short circuit to any power supply or common can be of an indefinite
damage to the device. This is a stress rating only; functional operation of the device
at these or any other conditions above those listed in the operational sections of this
specification is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
duration.
AA
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Temperature Package
Range
0 C to +70 C
0 C to +70 C
ORDERING GUIDE
S
2
) . . . . . . . . . . . . . . –65 C to +150 C
J
) . . . . . . . . . . . . . . . . . . . . . . +150 C
. . . . . . . . . . . . . . GND – 0.5 to V
Description
Plastic Quad Flatpack S-44
Plastic Quad Flatpack S-44
1
CLOCK/2
OSD_EN
P10
P12
V
P11
P5
P6
P7
P8
P9
AA
10
11
9
1
2
3
4
5
6
7
8
PIN CONFIGURATION
AA
12 13 14 15 16 17 18 19 20 21 22
Package
Option
44
PIN 1
IDENTIFIER
+ 0.5 V
43
42
ADV7177/ADV7178
AA
41
(Not to Scale)
–9–
TOP VIEW
40 39 38
PQFP
PACKAGE THERMAL PERFORMANCE
The 44-lead PQFP package used for this device has a junction-
to-ambient thermal resistance (
PCB of 53.2 C/W. The junction-to-case thermal resistance (
is 18.8 C/W.
Care must be taken when operating the part in certain condi-
tions to prevent overheating. Table I illustrates what conditions
are to be used when using the part.
Condition
3 DACs ON, Double 75R
3 DACs ON, Low Power
3 DACs ON, Buffered
2 DACs ON, Double 75R
2 DACs ON, Low Power
2 DACs ON, Buffered
NOTES
1
2
3
DAC ON, Double 75R refers to a condition where the DACs are terminated
DAC ON, Low Power refers to a condition where the DACs are terminated in a
DAC ON, Buffered refers to a condition where the DAC current is reduced to
into a double 75R load and low power mode is disabled.
double 75R load and low power mode is enabled.
5 mA and external buffers are used to drive the video loads.
Table I. Allowable Operating Conditions for ADV7177/
ADV7178 in 44-Lead PQFP Package
37
36 35 34
33
32
30
29
28
23
31
27
26
25
24
R
V
GND
DAC A
V
V
DAC B
DAC C
COMP
SDATA
SCLOCK
REF
SET
AA
AA
3
2
1
ADV7177/ADV7178
JA
) in still air on a four-layer
WARNING!
5 V
No
Yes
Yes
No
Yes
Yes
ESD SENSITIVE DEVICE
3 V
Yes
Yes
Yes
Yes
Yes
Yes
JC
)