CAT7311 查看數據表（PDF） - Catalyst Semiconductor => Onsemi

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CAT7311

i2c and smbus i/o port expanders

Catalyst Semiconductor => Onsemi 

digitally programmable potentiometers

CAT512O / CAT5121 / CAT5122

H

16-Tap MiniPot™ Digitally Programmable Potentiometers

VDD

with Increment/Decrement Interface

GND

Features

■ 0.3µA ultra-low supply current

CS

16-

UP/DOWN

POSITION

COUNTER

DECODER

U/D

■ 2-wire up/down serial interface

W

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

■ single-supply operation: 2.7 V to 5.5 V

■ glitchless switching between resistor taps

L

■ power-on reset to midscale

Package Information

■ 5- and 6-pin SC70 and SOT23 packages

Featured Products

CAT5259

256-Tap Quad Digitally Programmable Potentiometer

Features

RH0 RH1 RH2 RH3

■ four linear taper digitally programmable potentiometers

RW0

■ end-to-end resistance 50kΩ or 100kΩ

SCL

SDA

2-WIRE BUS

INTERFACE

WIPER

CONTROL

REGISTERS

■ low wiper resistance, typically 100Ω

RW1

■ non-volatile memory storage for up to four wiper settings

WP

for each potentiometer

RW2

A0

■ automatic recall of saved wiper settings at power up

A1

CONTROL

NONVOLATILE

■ 2.5 V to 6.0 V volt operation

A2

LOGIC

A3

DATA

REGISTERS

RW3

■ standby current less than 5µA

Package Information

RL0 RL1 RL2 RL3

■ 24-pin SOIC & TSSOP packages

ALOGEN FR

14

Visit our website for samples, data sheets, and additional product information.

LEA

D

F

R

E

E

TM

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