adv7121kn80 Analog Devices, Inc., adv7121kn80 Datasheet - Page 4

• Manufacturer Part Number: adv7121kn80
• Description: Cmos 80 Mhz, Triple 10-bit Video Dacs
• Manufacturer: Analog Devices, Inc.

ADV7121/ADV7122
Parameter
fmax
t
t
t
t
t
t
t
t
NOTES
1
2
3
Specifications subject to change without notice.
TIMING CHARACTERISTICS
1
2
3
4
5
6
7
8
TTL input values are 0 to 3 volts, with input rise/fall times
Temperature range (T
Sample tested at +25 C to ensure compliance.
outputs. See timing notes in Figure 1.
3
80 MHz Version
80
3
2
12.5
4
4
30
20
3
12
MIN
to T
MAX
Parameter
Power Supply
Ambient Operating
Output Load
Reference Voltage
Temperature
): 0 C to +70 C.
(R0–R9, G0–G9, B0–B9;
ANALOG OUTPUTS
50 MHz Version
50
6
2
20
7
7
30
20
3
15
1
DIGITAL INPUTS
RECOMMENDED OPERATING CONDITIONS
SYNC, BLANK)
(IOR, IOG, IOB)
(V
All Specifications T
AA
NOTES
1. OUTPUT DELAY (t
2. TRANSITION TIME (t
3. OUTPUT RISE/FALL TIME (t
4 SYNC AND BLANK DIGITAL INPUTS ARE NOT PROVIDED ON
Figure 1. Video Input/Output Timing
CLOCK
= +5 V
RISING EDGE OF THE CLOCK TO THE 50% POINT OF
FULL-SCALE TRANSITION.
FULL-SCALE TRANSITION TO WITHIN 2% OF THE FINAL OUTPUT
VALUE.
AND 90% POINTS OF FULL-SCALE TRANSITION.
3 ns, measured between the 10% and 90% points. Timing reference points at 50% for inputs and
Symbol
V
T
R
V
AA
L
REF
A
5%; V
t
4
MIN
6
) MEASURED FROM THE 50% POINT OF THE
REF
t
3
8
30 MHz Version
30
8
2
33.3
9
9
30
20
3
15
) MEASURED FROM THE 50% POINT OF
to T
–4–
= +1.235 V; R
t
5
MAX
7
) MEASURED BETWEEN THE 10%
2
Min
4.75
0
1.14
unless otherwise noted.)
t
DATA
1
L
Typ
5.00
37.5
1.235
= 37.5
t
2
t
6
Units
MHz max
ns min
ns min
ns min
ns min
ns min
ns max
ns typ
ns max
ns typ
t
7
t
Max
5.25
+70
1.26
8
, C
L
= 10 pF; R
Conditions/Comments
Clock Rate
Clock Cycle Time
Clock Pulse Width High Time
Analog Output Rise/Fall Time
Data & Control Setup Time
Data & Control Hold Time
Clock Pulse Width Low Time
Analog Output Delay
Analog Output Transition Time
Units
Volts
Volts
C
SET
= 560
.
REV. B