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參數(shù)資料
| 型號： | CA3318CM |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | ADC |
| 英文描述： | CMOS Video Speed, 8-Bit, Flash A/D Converter |
| 中文描述： | 1-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, PDSO24 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 86K |
| 代理商： | CA3318CM |
4-12
DIGITAL INPUTS
Low Level Input Voltage, V
OL
CE1, CE2
Phase, CLK
High Level Input Voltage, V
IN
CE1, CE2
Phase, CLK
Input Leakage Current, I
I
(Except CLK Input)
Input Capacitance, C
I
DIGITAL OUTPUTS
Output Low (Sink) Current
Output High (Source) Current
Three-State Output Off-State Leakage Current, I
OZ
Output Capacitance, C
O
TIMING CHARACTERISTICS
Auto Balance Time (
φ
1)
Sample Time (
φ
2)
Aperture Delay
Aperture Jitter
Data Valid Time, t
D
Data Hold Time, t
H
Output Enable Time, t
EN
Output Disable Time, t
DIS
POWER SUPPLY CHARACTERISTICS
Device Current (I
DD
+ I
A
) (Excludes I
REF
)
Note 4
Note 4
-
-
-
-
0.2V
DD
0.2V
AA
V
V
Note 4
Note 4
Note 3
0.7V
DD
0.7V
AA
-
-
-
-
-
-
V
V
μ
A
pF
±
0.2
3
±
5
-
V
O
= 0.4V
V
O
= 4.5V
4
-4
-
-
10
-6
±
0.2
4
-
-
mA
mA
μ
A
pF
±
5
-
33
-
∞
500
-
-
65
-
-
-
ns
Note 4
25
-
-
-
25
-
-
-
ns
ns
ps
ns
ns
ns
ns
15
100
50
40
18
18
Note 4
Note 4
Continuous Conversion (Note 4)
Auto Balance (
φ
1)
-
-
30
30
60
60
mA
mA
NOTES:
1. A full scale sine wave input of greater than f
CLOCK
/2 or the specified input bandwidth (whichever is less) may cause an erroneous code.
The -3dB bandwidth for frequency response purposes is greater than 30MHz.
2. V
IN
(Full Scale) or V
REF
+ should not exceed V
AA
+ + 1.5V for accuracy.
3. The clock input is a CMOS inverter with a 50k
feedback resistor and may be AC coupled with 1V
P-P
minimum source.
4. Parameter not tested, but guaranteed by design or characterization.
Timing Waveforms
FIGURE 1. INPUT TO OUTPUT TIMING DIAGRAM
Electrical Specifications
At 25
o
C, V
AA
+ = V
DD
= 5V, V
REF
+ = 6.4V, V
REF
- = V
AA
- = V
SS
, CLK = 15MHz,
All Reference Points Adjusted, Unless Otherwise Specified
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
COMPARATOR DATA IS LATCHED
DECODED DATA IS SHIFTED
TO OUTPUT REGISTERS
φ
2
SAMPLE
N
φ
2
φ
1
φ
1
φ
2
CLOCK (PIN 18)
IF PHASE (PIN 19)
IS LOW
CLOCK IF
PHASE IS HIGH
AUTO
BALANCE
SAMPLE
N + 1
t
D
t
H
DATA
N - 2
AUTO
BALANCE
SAMPLE
N + 2
DATA
N - 1
DATA
N
CA3318
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