CAT5411WI-10-T1 datasheet(5/14 Pages) ONSEMI

Part #	CAT5411WI-10-T1

Description	Dual Digital Potentiometer (POT)

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Table 5. POTENTIOMETER CHARACTERISTICS (Over recommended operating conditions unless otherwise stated.)

Symbol

Parameter

Test Conditions

Min

Typ

Max

Units

RPOT

Potentiometer Resistance (−00)

100

kW

RPOT

Potentiometer Resistance (−50)

50

kW

RPOT

Potentiometer Resistance (−10)

10

kW

RPOT

Potentiometer Resistance (−25)

2.5

kW

Potentiometer Resistance Tolerance

+20

%

RPOT Matching

1

%

Power Rating

25C, each pot

50

mW

IW

Wiper Current

+6

mA

RW

Wiper Resistance

IW = +3 mA @ VCC = 3 V

300

W

RW

Wiper Resistance

IW = +3 mA @ VCC = 5 V

80

150

W

VTERM

Voltage on any RH or RL Pin

VSS = 0 V

GND

VCC

V

VN

Noise

(Note 4)

nV/Hz

Resolution

1.6

%

Absolute Linearity (Note 5)

RW(n)(actual)−R(n)(expected)

(Note 8)

+1

LSB

(Note 7)

Relative Linearity (Note 6)

RW(n+1)−[RW(n)+LSB]

(Note 8)

+0.2

LSB

(Note 7)

TCRPOT

Temperature Coefficient of RPOT

(Note 4)

+300

ppm/C

TCRATIO

Ratiometric Temp. Coefficient

(Note 4)

20

ppm/C

CH/CL/CW

Potentiometer Capacitances

(Note 4)

10/10/25

pF

fc

Frequency Response

RPOT = 50 kW (Note 4)

0.4

MHz

4. This parameter is tested initially and after a design or process change that affects the parameter.

5. Absolute linearity is utilized to determine actual wiper voltage versus expected voltage as determined by wiper position when used as a

potentiometer.

6. Relative linearity is utilized to determine the actual change in voltage between two successive tap positions when used as a potentiometer.

It is a measure of the error in step size.

7. LSB = RTOT / 63 or (RH − RL) / 63, single pot

8. n = 0, 1, 2, ..., 63

Table 6. D.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise stated.)

Symbol

Parameter

Test Conditions

Min

Max

Units

ICC

Power Supply Current

fSCK = 2 MHz, SO

Open Inputs = GND

1

mA

ISB

Standby Current (VCC = 5 V)

VIN = GND or VCC; SO Open

1

mA

ILI

Input Leakage Current

VIN = GND to VCC

10

mA

ILO

Output Leakage Current

VOUT = GND to VCC

10

mA

VIL

Input Low Voltage

−1

VCC x 0.3

V

VIH

Input High Voltage

VCC x 0.7

VCC + 1.0

V

VOL1

Output Low Voltage (VCC = 3 V)

IOL = 3 mA

0.4

V

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