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14

ALO

GENFR

TM

LEAD FREE

Featured Products

CAT512O / CAT5121 / CAT5122

16-Tap MiniPot™ Digitally Programmable Potentiometers

with Increment/Decrement Interface

d i g i t a l l y p r o g r a m m a b l e p o t e n t i o m e t e r s

CAT5259

256-Tap Quad Digitally Programmable Potentiometer

Features

■

four linear taper digitally programmable potentiometers

■

end-to-end resistance 50k

Ω or 100kΩ

■

low wiper resistance,typically 100

Ω

■

non-volatile memory storage for up to four wiper settings

for each potentiometer

■

automatic recall of saved wiper settings at power up

■

2.5 V to 6.0 V volt operation

■

standby current less than 5µA

Package Information

■

24-pin SOIC & TSSOP packages

VDD

GND

CS

H

L

W

U/D

UP/DOWN

COUNTER

16-

POSITION

DECODER

R

H0

W0

W2

W3

W1

H1

H2

H3

R

R

R

R

L0

L1

L2

L3

R

R

R

WIPER

CONTROL

REGISTERS

NONVOLATILE

DATA

REGISTERS

2-WIRE BUS

INTERFACE

CONTROL

LOGIC

SCL

SDA

WP

A0

A1

A2

A3

R

R

R

R

Features

■

0.3µA ultra-low supply current

■

2-wire up/down serial interface

■

resistance values:10k

Ω,50kΩ and 100kΩ

■

single-supply operation:2.7 V to 5.5 V

■

glitchless switching between resistor taps

■

power-on reset to midscale

Package Information

■

5- and 6-pin SC70 and SOT23 packages