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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： | 20/36頁 |
| 文件大小： | 208K |
| 代理商： | TMC2491AR2C |
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PRODUCT SPECIFICATION
TMC2490A/TMC2491A
27
Absolute Maximum Ratings
(beyond which the device may be damaged)1
Notes:
1. Functional operation under any of these conditions is NOT implied. Performance and reliability are guaranteed only if
Operating Conditions are not exceeded.
2. Applied voltage must be current limited to specified range.
3. Forcing voltage must be limited to specified range.
4. Current is specified as conventional current flowing into the device.
Parameter
Min.
Typ.
Max.
Unit
Power Supply Voltage
-0.5
7.0
V
Digital Inputs
Applied Voltage2
-0.5
VDD + 0.5
V
Forced Current3,4
-20.0
20.0
mA
Output
Applied Voltage2
-0.5
VDD + 0.5
V
Forced Current3,4
-3.0
6.0
mA
Short Circuit Duration (single output in HIGH state to ground)
1
sec
Analog Short Circuit Duration (all outputs to ground)
Innite
Temperature
Operating, Ambient
-20
110
°C
Junction
140
°C
Storage Temperature
-65
150
°C
Lead Soldering (10 seconds)
300
°C
Vapor Phase Soldering (1 minute)
220
°C
Operating Conditions
Parameter
Conditions
Min.
Typ.
Max.
Units
VDD
Power Supply Voltage
4.75
5.0
5.25
V
VIH
Input Voltage, Logic HIGH
TTL Compatible Inputs
2.0
VDD
V
CLK Input
2.4
VDD
R-Bus Inputs
0.7VDD
VIL
Input Voltage, Logic LOW
TTL Compatible Inputs
GND
0.8
V
R-Bus Inputs
0.3VDD
VREF
External Reference Voltage
1.235
V
IREF
D/A Converter Reference Current
(IREF = VREF/RREF),
flowing out of the RREF pin
1.57
mA
RREF
External Reference Resistor
VREF = NOM, RL = 75
787
IOH
Output Current, Logic HIGH
-2.0
mA
IOL
Output Current, Logic LOW
4.0
mA
TA
Ambient Temperature, Still Air
0
70
°C
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