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參數資料
| 型號： | TMC2491AR2C |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | COLOR SIGNAL ENCODER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數： | 22/36頁 |
| 文件大小： | 208K |
| 代理商： | TMC2491AR2C |
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PRODUCT SPECIFICATION
TMC2490A/TMC2491A
29
DC Electrical Characteristics
Notes:
1. Maximum IDD with VDD = Max and TA = Min. Outputs loaded wtih 75
.
2. IDDQ when RESET = LOW, disabling D/A converters.
AC Electrical Characteristics
Note:
1. Timing reference points are at the 50% level. Analog CLOAD <10pF, D7-0 load <40pF.
Parameter
Conditions
Min.
Typ.
Max.
Units
IDD
Power Supply Current, Unloaded1
VDD = Max, fPXCK = 27MHz
130
mA
IDDQ
Power Supply Current, Quiescent2
VDD = Max
20
mA
VRO
Voltage Reference Output
1.173
1.235
1.297
V
IBR
Reference Bias
-100
100
A
ZRO
VREF Output Impedance
1000
IIH
Input Current, HIGH
VDD = Max, VIN = VDD
±10
A
IIL
Input Current, LOW
VDD = Max, VIN = 0V
±10
A
IOZH
Hi-Z Output Leakage Current,
Output HIGH
VDD = Max, VIN = VDD
±10
A
IOZL
Hi-Z Output Leakage Current,
Output LOW
VDD = Max, VIN = 0V
±10
A
IOS
Short-Circuit Current
-50
-10
mA
VOH
Output Voltage, HIGH
IOH = Max
2.4
V
VOL
Output Voltage, LOW
IOL = Max
0.4
V
CI
Digital Input Capacitance
4
10
pF
CI
Digital Output Capacitance
10
pF
VOC
Video Output Compliance
-0.3
2.0
V
ROUT
Video Output Resistance
15
k
COUT
Video Output Capacitance
IOUT = 0mA, f = 1MHz
15
25
pF
Parameter
Conditions
Min.
Typ.
Max.
Units
tDOZ
Output Delay, CS to low-Z
14
ns
tHOM
Output Hold Time, CS to high-Z
30
ns
tDOM
Output Delay, CS to Data Valid
40
ns
tR
D/A Output Current Risetime
10% to 90% of full scale
2
ns
tF
D/A Output Current Falltime
90% to 10% of full scale
2
ns
tDOV
Analog Output Delay
3
11
17
ns
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