CAT5126_13 datasheet(4/9 Pages) ONSEMI

Part #	CAT5126

Description	One?릘ime Digital 32?릘ap Potentiometer (POT)

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Manufacturer	ONSEMI [ON Semiconductor]

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CAT5126

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Table 3. ELECTRICAL CHARACTERISTICS (VDD = 2.5 V to 5.5 V, VPP = GND, RH = VDD, RL = GND, TA = −40C to +85C,

unless otherwise noted. Typical values are at VDD = 5.0 V, TA = +25C, unless otherwise noted.) (Note 1) (continued)

Symbol

Units

Max

Typ

Min

Conditions

Parameter

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,

CL = 10 pF

0.25

1. All devices are production tested at TA = +25C and are guaranteed by design for TA = −40C to +85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.

TYPICAL OPERATING CHARACTERISTICS

(VDD = 2.5 V to 5.5 V, VPP = GND, VH = VDD, VL = GND, TA = +25C)

Figure 2. VPP vs. VDD

Figure 3. IDD Programming vs. VDD

VDD (V)

5.5

4.5

3.5

2.5

5

6

7

8

9

10

5.5

4.5

3.5

2.5

100

150

200

250

300

Figure 4. Wiper Resistance vs.

Tap Position @ 255C

Figure 5. Wiper Voltage vs. Tap Position

TAP POSITION

TAP

30

20

10

0

20

40

60

80

100

120

30

20

10

0

1

2

3

4

5

6

Valid

Programming

Invalid

Programming

VDD = 2.5 V

VDD = 5.0 V

VDD = 2.5 V

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