DS1668 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated
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DS1668 Datasheet PDF : 10 Pages
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DS1668, DS1669, DS1669S
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
PARAMETER
SYMBOL MIN
+ Supply Voltage
+V
-V + 4.5
- Supply Voltage
-V
+V - 8.0
Rheostat Inputs
Logic Input 1
Logic Input 0
RH,RW,RL
VIH
VIL
-V - 0.5
+2.4
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
+, - Supply Current
Supply Current, Idle State
Wiper Resistance
Wiper Current
Rheostat Current
Power–Up Time
Input Leakage
ICC1
ICC2
RW
IW
IH, IL
tPU
ILI
–1
AC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
Digital Input Pulse Width
tDPW
1
Contact Pulse Width
tCPW
1
Repetitive Input Pulse High Time
tHPW
1
Continuous Input Pulse
tCCP
1
(-40°C to +85°C)
TYP
MAX
UNITS NOTES
-V + 8.0
V
+V - 4.5
V
+V + 0.5
V
V
1, 2
+0.8
V
1, 2
(-40°C to +85°C; -V to +V = 4.5V to 8.0V)
TYP
MAX
UNITS NOTES
1
2
mA
3
65
µA
9
400
1000
Ω
1
mA
5
1
mA
5
10
µs
10
+1
µA
1
(-40°C to +85°C; -V to+V = 4.5V to 8.0V)
TYP
MAX
UNITS NOTES
DC
µs
1, 7, 8
DC
ms
1, 7, 8
DC
ms
1, 7, 8
DC
s
1, 7, 8
081895 7/10
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