ADV7128KR50 查看數據表（PDF） - Analog Devices
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ADV7128KR50 Datasheet PDF : 8 Pages
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ADV7128
TIMING CHARACTERISTICS1 (VAA = +5 V ؎ 5%; VREF = +1.235 V; RL = 37.5 ⍀, CL = 10 pF; RSET = 560 ⍀.
All specifications TMIN to TMAX2 unless otherwise noted.)
Parameter
80 MHz Version
50 MHz Version
30 MHz Version
Units
Conditions/Comments
fMAX
80
50
t1
3
6
t2
2
2
t3
12.5
20
t4
4
7
t5
4
7
t6
30
30
20
20
t7
3
3
t83
12
15
30
MHz max Clock Rate
8
ns min
Data & Control Setup Time
2
ns min
Data & Control Hold Time
33.3
ns min
Clock Cycle Time
9
ns min
Clock Pulse Width High Time
9
ns min
Clock Pulse Width Low Time
30
ns max
Analog Output Delay
20
ns typ
3
ns max
Analog Output Rise/Fall Time
15
ns typ
Analog Output Transition Time
NOTES
1TTL input values are 0 to 3 volts, with input rise/fall times ≤3 ns, measured between the 10% and 90% points. Timing reference points at 50% for inputs
and outputs. See timing notes in Figure 1.
2Temperature range (TMIN to TMAX): 0°C to +70°C
3Sample tested at +25°C to ensure compliance.
Specifications subject to change without notice.
t4
t5
CLOCK
t3
DIGITAL INPUTS
D0–D9
t1
t2
DATA
t6
t8
ANALOG OUTPUTS
(I OUT )
t7
NOTES
1. OUTPUT DELAY ( t6 ) MEASURED FROM THE 50% POINT OF THE RISING EDGE OF THE CLOCK TO THE 50%
POINT OF FULL-SCALE TRANSITION.
2. TRANSITION TIME ( t8 ) MEASURED FROM THE 50% POINT OF FULL-SCALE TRANSITION TO WITHIN 2% OF THE
FINAL OUTPUT VALUE.
3. OUTPUT RISE/FALL TIME ( t7 ) MEASURED BETWEEN THE 10% AND 90% POINTS OF FULL-SCALE TRANSITION.
Figure 1. Video Input/Output Timing
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol Min
Power Supply
VAA
4.75
Ambient Operating
Temperature
TA
0
Output Load
RL
Reference Voltage VREF
1.14
Typ
5.00
37.5
1.235
Max
5.25
+70
1.26
Units
Volts
°C
Ω
Volts
ORDERING GUIDE
Model
Accuracy Temperature Package
Speed DNL INL Range
Option*
ADV7128KR80 80 MHz ± 1 ± 1 0°C to +70°C R-28
ADV7128KR50 50 MHz ± 1 ± 1 0°C to +70°C R-28
ADV7128KR30 30 MHz ± 1 ± 1 0°C to +70°C R-28
*R = SOIC.
REV. 0
–3–
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