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參數(shù)資料
| 型號： | TMC2491A |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Multistandard Digital Video Encoder(多標(biāo)準(zhǔn)數(shù)字視頻編碼器) |
| 中文描述： | 多標(biāo)準(zhǔn)數(shù)字視頻編碼器（多標(biāo)準(zhǔn)數(shù)字視頻編碼器） |
| 文件頁數(shù)： | 29/36頁 |
| 文件大?。?/td> | 208K |
| 代理商： | TMC2491A |
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PRODUCT SPECIFICATION
TMC2490A/TMC2491A
29
DC Electrical Characteristics
Notes:
1. Maximum I
DD
with V
DD
= Max and T
A
= Min. Outputs loaded wtih 75
.
2. I
DDQ
when RESET = LOW, disabling D/A converters.
AC Electrical Characteristics
Note:
1. Timing reference points are at the 50% level. Analog C
LOAD
<10pF, D
7-0
load <40pF.
Parameter
I
DD
I
DDQ
V
RO
I
BR
Z
RO
I
IH
I
IL
I
OZH
Conditions
Min.
Typ.
Max.
130
20
1.297
100
Units
mA
mA
V
μ
A
μ
A
μ
A
μ
A
Power Supply Current, Unloaded
1
Power Supply Current, Quiescent
2
Voltage Reference Output
Reference Bias
V
REF
Output Impedance
Input Current, HIGH
Input Current, LOW
Hi-Z Output Leakage Current,
Output HIGH
Hi-Z Output Leakage Current,
Output LOW
Short-Circuit Current
Output Voltage, HIGH
Output Voltage, LOW
Digital Input Capacitance
Digital Output Capacitance
Video Output Compliance
Video Output Resistance
Video Output Capacitance
V
DD
= Max, f
PXCK
= 27MHz
V
DD
= Max
1.173
-100
1.235
1000
V
DD
= Max, V
IN
= V
DD
V
DD
= Max, V
IN
= 0V
V
DD
= Max, V
IN
= V
DD
±
10
±
10
±
10
I
OZL
V
DD
= Max, V
IN
= 0V
±
10
μ
A
I
OS
V
OH
V
OL
C
I
C
I
V
OC
R
OUT
C
OUT
-50
2.4
-10
mA
V
V
pF
pF
V
k
pF
I
OH
= Max
I
OL
= Max
0.4
10
4
10
-0.3
2.0
15
15
I
OUT
= 0mA, f = 1MHz
25
Parameter
t
DOZ
t
HOM
t
DOM
t
R
t
F
t
DOV
Conditions
Min.
14
30
40
Typ.
Max.
Units
ns
ns
ns
ns
ns
ns
Output Delay, CS to low-Z
Output Hold Time, CS to high-Z
Output Delay, CS to Data Valid
D/A Output Current Risetime
D/A Output Current Falltime
Analog Output Delay
10% to 90% of full scale
90% to 10% of full scale
2
2
3
11
17
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