CAT5128 Просмотр технического описания (PDF) - ON Semiconductor

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CAT5128

32-Tap Digital Up/Down Control Potentiometer

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CAT5128

LOGIC INPUTS

VCC = +2.5V to +5.5V unless otherwise specified

Symbol

IIH

IIL

VIH1

VIL1

VIH2

VIL2

Parameter

Input Leakage Current

Input Leakage Current

TTL High Level Input Voltage

TTL Low Level Input Voltage

CMOS High Level Input Voltage

CMOS Low Level Input Voltage

Conditions

VIN = VCC

VIN = 0V

4.5V ≤ VCC ≤ 5.5V

2.5V ≤ VCC ≤ 5.5V

Min Typ Max

–

–

10

–

–

-10

2

–

VCC

0

–

0.8

VCC x 0.7 – VCC + 0.3

-0.3

– VCC x 0.2

Units

µA

µA

V

V

V

V

POTENTIOMETER CHARACTERISTICS

VCC = +2.5V to +5.5V unless otherwise specified

Symbol

RPOT

VA

VB

INL

DNL

RWI

IW

TCRPOT

TCRATIO

VN (3)

CA/CB/CW

fc (3)

Parameter

Potentiometer Resistance

Pot. Resistance Tolerance

Voltage on A pin

Voltage on B pin

Resolution

Integral Linearity Error

Differential Linearity Error

Wiper Resistance

Wiper Current

TC of Pot Resistance

Ratiometric TC

Noise

Potentiometer Capacitances

Frequency Response

Conditions

-10 Device

-50 Device

-00 Device

IW ≤ 2µA

IW ≤ 2µA

VCC = 5V, IW = 1mA

VCC = 2.5V, IW = 1mA

(2)

(3)

(3)

100kHz / 1kHz

(3)

Passive Attenuator, 10kΩ

Min

Typ(1) Max

Units

10

50

kΩ

100

±20

%

0

VCC

V

0

VCC

V

3.2

%

-0.5

0.1

0.5

LSB

-0.5

0.05

0.5

LSB

70

Ω

150

300

Ω

1

mA

50

ppm/ºC

5

20 ppm/ºC

8/24

nV/√Hz

8/8/25

pF

1.7

MHz

Notes:

(1) Typical values are for TA = 25ºC and nominal supply voltage.

(2) IW = source or sink.

(3) These parameters are periodically sampled and are not production tested.

Doc. No. MD-2128 Rev. B

4

© 2008 SCILLC. All rights reserved.

Characteristics subject to change without notice

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