CAT5122SDI-10-T10

更新时间： 2025-08-03 22:22:11

品牌	Logo	应用领域
CATALYST		电位器
页数	文件大小	规格书
11页	165K
描述
16-Tap MiniPot Digitally Programmable Potentiometers with 2-Wire Interface

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CAT5122SDI-10-T10 数据手册

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CAT5120, CAT5121, CAT5122

16-Tap MiniPot™ Digitally Programmable Potentiometers

with 2-Wire Interface

FEATURES

■ 0.3µA Ultra-low supply current

■ 2-Wire up/down serial interface

■ Single-supply operation: 2.7 V to 5.5 V

■ Glitchless switching between resistor taps

■ Power-on reset to midscale

■ Resistance values: 10kΩ, 50kΩ and 100kΩ

■ Available in SC70 and SOT-23 packages

APPLICATIONS

■ LCD screen adjustment

■ Volume control

■ Gain adjustment

■ Line impedance matching

■ Mechanical potentiometer replacement

DESCRIPTION

CAT5120/5121/5122linear-taperdigitallyprogrammable

potentiometers perform the same function as a

mechanical potentiometer or a variable resistor. These

devices consist of a fixed resistor and a wiper contact

with 32-tap points that are digitally controlled through a

2-wire up/down serial interface.

The CAT5120 is configured as a potentiometer. The

CAT5121 and CAT5122 are configured as variable

resistors. See Pin Configurations for part functionality.

Three resistance values are available: 10kΩ , 50kΩ and

100kΩ. These are available in space-saving 5-pin and

6-pin SC70 and SOT-23 packages.

PIN CONFIGURE

FUNCTIONAL DIAGRAM

GND

U/D

GND

U/D

CAT5120

CAT5122

UP/DN

Counter

16-Position

Decoder

U/D

GND

U/D

CAT5121

Top View

Characteristics subject to change without notice

Doc. No. 2121, Rev. A

12 3 4 5 6 7...11

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