Datasheet Analog Devices AD5245BRJZ5-R2 — 数据表

256-Position I2C®-Compatible
Digital Potentiometer
AD5245 APPLICATIONS
Mechanical potentiometer replacement in new designs
LCD panel VCOM adjustment
LCD panel brightness and contrast control
Transducer adjustment of pressure, temperature, position,
chemical, and optical sensors
RF amplifier biasing
Automotive electronics adjustment
Gain control and offset adjustment FUNCTIONAL BLOCK DIAGRAM
VDD
A
SCL I2C INTERFACE SDA
W AD0 WIPER
REGISTER B
POR 03436-001 256-position
End-to-end resistance 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
Compact SOT-23-8 (2.9 mm × 3 mm) package
Fast settling time: tS = 5 µs typ on power-up
Full read/write of wiper register
Power-on preset to midscale
Extra package address decode pin AD0 …