DS1809U-010 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated
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DS1809U-010 Datasheet PDF : 8 Pages
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AC ELECTRICAL CONDITIONS
PARAMETER
SYMBOL
Single Input Pulse Width
tPW
Repetitive Pulse High Time
tHPW
Continuous Pulse
tCCP
Storage Control Pulse
tSTR
Capacitance
CIN
MIN
1
1
1
1
TYP
5
DS1809
MAX
DC
DC
DC
10
UNITS NOTES
ms
4,5,7,9
ms 4,5,7,8,9
ms 4,5,7,8,9
µs
10,12
pF
10
ANALOG RESISTOR CHARACTERISTICS ELECTRICAL CONDITIONS
PARAMETER
SYMBOL MIN
TYP MAX UNITS NOTES
End-to-End Resistor
Tolerance
-20
+20
%
14
Absolute Linearity
-0.6
+0.6
LSB
15
Relative Linearity
-0.25
+0.25
LSB
16
-3 dB Cutoff Frequency
Temperature Coefficient
fCUTOFF
MHz
17
750
ppm/ºC 14
NOTES:
1. All voltages are referenced with respect to ground.
2. Voltages across the potentiometer terminals (RL, RW, RH) cannot exceed VCC or go below ground by
0.5V.
3. Inputs UC and DC are internally pulled-up with resistance of 100 kΩ .
4. UC and DC inputs are internally pulled-up to VCC via a 100 kΩ resistor.
5. Active current is specified when the inputs UC or DC are active.
6. Standby current is the current consumed when the UC, DC, and STR inputs are inactive.
7. Input pulse width is the minimum time required for an input to cause an increment or decrement.
8. Repetitive pulse inputs on UC or DC will be recognized as long as they are within 500 milliseconds
of each other. Pulses occurring faster than 1 ms apart may not be recognized as individual and
separate pulses.
9. Input pulse timing has tolerances to ±10%.
10. Capacitance values apply at 25°C.
11. For VCC = 5V±10%, maximum VIL =+0.8V. For VCC = 3.0V±10%, maximum VIL =0.6V. Input logic
levels are referenced to ground.
12. If not used STR should be connected to ground.
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