AD9803 Просмотр технического описания (PDF) - Analog Devices
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AD9803 Datasheet PDF : 19 Pages
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AD9803
TIMING SPECIFICATIONS (CONTINUED)
VIDEO
SIGNAL
H
SYNC
ACLP
MANUAL CLAMPING
AUTOMATIC CLAMPING
Figure 4. AUX-MODE Clamp Timing
NOTE: ACLP can be used two different ways. To control the
exact time of the clamp, an active low pulse is used to specify
the clamp interval. Alternatively, ACLP may be tied to ground.
In this configuration, the clamp circuitry will sense the most
negative portion of the signal and use this level to set the clamp
voltage. For the video waveform in Figure 4, the SYNC level
will be clamped to the black level specified in the E-Register.
Active low clamp pulse mode is shown.
ABSOLUTE MAXIMUM RATINGS*
Parameter
With Respect To
Min
Max
Units
ADVDD
ACVDD
DVDD
DRVDD
CLOCK INPUTS
PGACONT1, PGACONT2
PIN, DIN
DOUT
VRT, VRB
CCDBYP1, CCDBYP2
DAC1, DAC2
DRVSS, DVSS, ACVSS, ADVSS
Junction Temperature
Storage Temperature
Lead Temperature (10 sec)
ADVSS, SUBST
ACVSS, SUBST
DVSS
DRVSS
DVSS
SUBST
SUBST
DRVSS
SUBST
SUBST
SUBST
SUBST
–0.3
6.5
V
–0.3
6.5
V
–0.3
6.5
V
–0.3
6.5
V
–0.3
DVDD + 0.3
V
–0.3
ACVDD + 0.3
V
–0.3
ACVDD + 0.3
V
–0.3
DRVDD + 0.3
V
–0.3
ADVDD + 0.3
V
–0.3
ACVDD + 0.3
V
–0.3
ACVDD + 0.3
V
–0.3
+0.3
V
+150
°C
–65
+150
°C
+300
°C
*Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device
at these or other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum ratings for extended periods
may affect device reliability.
Model
AD9803JST
Temperature Range
0°C to +70°C
ORDERING GUIDE
Package Description
48-Lead Plastic Thin Quad Flatpack
Package Option
ST-48
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 AD9803 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
–6–
REV. 0
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