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| CAT5126_13 Datasheet, PDF (4/9 Pages) ON Semiconductor – One‐time Digital 32‐tap Potentiometer (POT) | |||
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CAT5126
Table 3. ELECTRICAL CHARACTERISTICS (VDD = 2.5 V to 5.5 V, VPP = GND, RH = VDD, RL = GND, TA = â40ï°C to +85ï°C,
unless otherwise noted. Typical values are at VDD = 5.0 V, TA = +25ï°C, unless otherwise noted.) (Note 1) (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
TIMING CHARACTERISTICS (Note 3)
tUP
Power-up Time
(Note 4)
1
ms
tSETTLE Output Settling Time
100 kW variable resistor
configuration, CL = 10 pF
1
ms
100 kW potentiometer configuration,
0.25
CL = 10 pF
1. All devices are production tested at TA = +25ï°C and are guaranteed by design for TA = â40ï°C to +85ï°C.
2. Digital inputs CS and U/D are connected to GND or VDD.
3. Digital timing is guaranteed by design, not production tested.
4. Power-up time is the period of time from when the power supply is applied until the serial interface is ready for writing.
10
9
8
7
6
5
2.5
120
100
80
60
40
20
0
0
TYPICAL OPERATING CHARACTERISTICS
(VDD = 2.5 V to 5.5 V, VPP = GND, VH = VDD, VL = GND, TA = +25ï°C)
300
Valid
Programming
250
200
Invalid
Programming
3.5
4.5
VDD (V)
Figure 2. VPP vs. VDD
VDD = 2.5 V
VDD = 5.0 V
10
20
TAP POSITION
Figure 4. Wiper Resistance vs.
Tap Position @ 255C
150
100
5.5
2.5
3.5
4.5
5.5
VDD (V)
Figure 3. IDD Programming vs. VDD
6
5
4
VDD = 5.0 V
3
2
VDD = 2.5 V
1
0
30
0
10
20
30
TAP
Figure 5. Wiper Voltage vs. Tap Position
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