GENERAL DESCRIPTION

The AD5258 provides a compact, nonvolatile 3 mm × 4.9 mm packaged solution for 64-position adjustment applications. These devices perform the same electronic adjustment function as mechanical potentiometers1 or variable resistors, but with enhanced resolution and solid-state reliability.

FEATURES

Nonvolatile memory maintains wiper settings

64-position

Compact MSOP-10 (3mm × 4.9 mm) package

I

2

C?-compatible interface

VLOGIC pin provides increasedinterface flexibility

End-to-end resistance 1 k?, 10k?, 50k?, 100 k?

Resistance tolerance stored in EEPROM (0.1 accuracy)

Power-on EEPROM refresh time<1 ms

Software write protect command

Three-stateAddress Decode Pins AD0and AD1 allow 9 packages per bus

100-year typical dataretention at 55°C

Wide operating temperature ?40°C to+85°C

3 V to5V single supply

APPLICATIONS

LCD panel VCOMadjustment

LCD panel brightness and contrast control

Mechanical potentiometer replacement in new designs

Programmable power supplies

RF amplifier biasing

Automotive electronics adjustment

Gain control and offset adjustment

Fiber to the home systems

Electronics level settings