參數(shù)資料
型號(hào): ADV7120KST30
廠商: ANALOG DEVICES INC
元件分類(lèi): DAC
英文描述: CMOS 80 MHz, Triple 8-Bit Video DAC
中文描述: PARALLEL, 8 BITS INPUT LOADING, 8-BIT DAC, PQFP48
封裝: TQFP-48
文件頁(yè)數(shù): 3/12頁(yè)
文件大?。?/td> 188K
代理商: ADV7120KST30
ADV7120
REV. B
–3–
TIMNGCHARACTERISTICS
1
(V
AA
= +5 V
6
5%; V
REF
= +1.235 V; R
L
= 37.5
V
, C
L
= 10 pF; R
SET
= 560
V
.
I
SYNC
connected to IOG. All Specifications T
MN
to T
MAX2
unless otherwse noted.)
Parameter
80 MHz Version
50 MHz Version
30 MHz Version
Units
Conditions/Comments
f
MAX
t
l
t
2
t
3
t
4
t
5
t
6
80
3
2
12.5
4
4
30
20
3
12
50
6
2
20
7
7
30
20
3
15
30
8
2
33.3
9
9
30
20
3
15
MHz max
ns min
ns min
ns min
ns min
ns min
ns max
ns typ
ns max
ns typ
Clock Rate
Data & Control Setup T ime
Data & Control Hold T ime
Clock Cycle T ime
Clock Pulse Width High T ime
Clock Pulse Width Low T ime
Analog Output Delay
t
7
t
83
Analog Output Rise/Fall T ime
Analog Output T ransition T ime
NOT ES
1
T T L input values are 0 to 3 volts, with input rise/fall times
3 ns, measured between the 10% and 90% points. T iming reference points at 50% for inputs
and outputs. See timing notes in Figure 1.
2
T emperature range (T
to T
): 0
°
C to +70
°
C
3
Sample tested at +25
°
C to ensure compliance.
Specifications subject to change without notice.
CLOCK
DATA
t
2
t
4
t
5
t
8
t
7
t
6
ANALOG OUTPUTS
(IOR, IOG, IOB, I
SYNC
)
t
3
t
1
DIGITAL INPUTS
(R0-R7, G0-G7, B0-B7;
SYNC, BLANK,
REF WHITE)
NOTES
1. OUTPUT DELAY (
t
CLOCK TO THE 50%6) MEASURED FROM THE 50% POINT OF THE RISING EDGE OF
2. TRANSITION TIME (
t
TRANSITION TO WITHI8) MEASURED FROM THE 50% POINT OF FULL-SCALE
3. OUTPUT RISE/FALL TIME (
t
7) MEASURED BETWEEN THE 10% AND 90% POINTS
OF FULL TRANSITION.
Figure 1. Video Input/Output Timing
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