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參數(shù)資料
| 型號(hào)： | DS1668 |
| 英文描述： | ELECTRONIC DIGITAL RHEOSTAT |
| 中文描述： | 電子數(shù)字電位器 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 70K |
| 代理商： | DS1668 |
DS1668, DS1669, DS1669S
081895 7/10
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to -V
Operating Temperature
Storage Temperature
Soldering Temperature
-V –0.5V + 8.0V
0
°
C to 70
°
C commercial; –40
°
C to +85
°
C industrial
–55
°
C to +125
°
C
260
°
C for 15 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
(-40
°
C to +85
°
C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
+ Supply Voltage
+V
-V + 4.5
-V + 8.0
V
- Supply Voltage
-V
+V - 8.0
+V - 4.5
V
Rheostat Inputs
R
H
,R
W
,R
L
-V - 0.5
+V + 0.5
V
Logic Input 1
V
IH
+2.4
V
1, 2
Logic Input 0
V
IL
+0.8
V
1, 2
DC ELECTRICAL CHARACTERISTICS
(-40
°
C to +85
°
C; -V to +V = 4.5V to 8.0V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
+, - Supply Current
I
CC1
1
2
mA
3
Supply Current, Idle State
I
CC2
65
μ
A
9
Wiper Resistance
R
W
400
1000
Wiper Current
I
W
1
mA
5
Rheostat Current
I
H
, I
L
1
mA
5
Power–Up Time
t
PU
10
μ
s
10
Input Leakage
I
LI
–1
+1
μ
A
1
AC ELECTRICAL CHARACTERISTICS
(-40
°
C to +85
°
C; -V to+V = 4.5V to 8.0V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Digital Input Pulse Width
t
DPW
1
DC
μ
s
1, 7, 8
Contact Pulse Width
t
CPW
1
DC
ms
1, 7, 8
Repetitive Input Pulse High Time
t
HPW
1
DC
ms
1, 7, 8
Continuous Input Pulse
t
CCP
1
DC
s
1, 7, 8
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