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 kΩ, 10kΩ, 50kΩ, 100 kΩ
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