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ADV7121KN80 Datasheet(PDF) 4 Page - Analog Devices

Part # ADV7121KN80
Description  CMOS 80 MHz, Triple 10-Bit Video DACs
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADV7121KN80 Datasheet(HTML) 4 Page - Analog Devices

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ADV7121/ADV7122
–4–
REV. B
TIMING CHARACTERISTICS1
(VAA = +5 V
5%; VREF = +1.235 V; RL = 37.5
, CL = 10 pF; RSET = 560
.
All Specifications TMIN to TMAX
2 unless otherwise noted.)
Parameter
80 MHz Version
50 MHz Version
30 MHz Version
Units
Conditions/Comments
fmax
80
50
30
MHz max
Clock Rate
t1
3
6
8
ns min
Data & Control Setup Time
t2
2
2
2
ns min
Data & Control Hold Time
t3
12.5
20
33.3
ns min
Clock Cycle Time
t4
4
7
9
ns min
Clock Pulse Width High Time
t5
4
7
9
ns min
Clock Pulse Width Low Time
t6
30
30
30
ns max
Analog Output Delay
20
20
20
ns typ
t7
3
3
3
ns max
Analog Output Rise/Fall Time
t8
3
12
15
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 (T
MIN to TMAX): 0°C to +70°C.
3Sample tested at +25
°C to ensure compliance.
Specifications subject to change without notice.
CLOCK
DATA
DIGITAL INPUTS
(R0–R9, G0–G9, B0–B9;
SYNC, BLANK)
t4
t5
t6
t2
t1
t8
t7
ANALOG OUTPUTS
(IOR, IOG, IOB)
t3
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.
4 SYNC AND BLANK DIGITAL INPUTS ARE NOT PROVIDED ON
NOTES
Figure 1. Video Input/Output Timing
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Typ
Max
Units
Power Supply
VAA
4.75
5.00
5.25
Volts
Ambient Operating
Temperature
TA
0
+70
°C
Output Load
RL
37.5
Reference Voltage
VREF
1.14
1.235
1.26
Volts


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