CAT5122 datasheet(2/12 Pages) CATALYST

Part #	CAT5122

Description	16-Tap MiniPot??Digitally Programmable Potentiometers with 2-Wire Interface

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Manufacturer	CATALYST [Catalyst Semiconductor]

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CAT5120, CAT5121, CAT5122

2

Doc. No. MD-2121 Rev. E

Characteristics subject to change without notice

ABSOLUTE MAXIMUM RATINGS(1)

Parameters

Ratings

Units

VDD to GND

-0.3 to +6

V

All Other Pins to GND

-0.3 to (VDD + 0.3)

V

Input and Output Latch-Up Immunity

±200

mA

Maximum Continuous Current into H, L and W

100kΩ

50kΩ

10kΩ

±0.6

±1.3

mA

Continuous Power Dissipation (TA = +70ºC)

5-pin SC-70

(2)

6-pin SC-70

(2)

247

245

mW

Operating Temperature Range

-40 to +85

ºC

Junction Temperature

+150

ºC

Storage Temperature Range

-65 to +150

ºC

Soldering Temperature (soldering, 10s)

+300

ºC

ELECTRICAL CHARACTERISTICS

VDD = 2.7V to 5.5V, VH = VDD, VL = 0, TA = -40ºC to +85ºC. Typical values are at VDD = 2.7V, TA = 25ºC, unless

otherwise noted.

Parameter

Symbol

Conditions

Min

Typ

Max

Units

DC Performance

Resolution

16

Taps

End-to-End Resistance (-00)

75

100

125

End-to-End Resistance (-50)

37.5

50

62.5

End-to-End Resistance (-10)

7.5

10

12.5

kΩ

End-to-End Resistance Tempco

TCR

200

ppm/ºC

Ratiometric Resistance Tempco

5

ppm/ºC

Integral Nonlinearity

INL

±0.5

LSB

Differential Nonlinearity

DNL

±0.5

LSB

Zero/Full-Scale Error

±0.1

±0.5

LSB

Wiper Resistance

RW

200

600

Ω

Digital Inputs

Input High Voltage

VIH

0.7 x VDD

V

Input Low Voltage

VIL

0.3 x VDD

V

Notes:

(1) Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions outside of those listed in the operational sections of this

specification is not implied. Exposure to any absolute maximum rating for extended periods may affect device performance and reliability.

(2) Derate 3.1mW/ºC above TA = +70ºC

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