Single-Channel Nonvolatile Digital Potentiometer
Data Sheet
Single-Channel, 128-/64-/32-Position, Up/Down, ±8%
Resistor Tolerance, Nonvolatile Digital Potentiometer
AD5...
Description
Data Sheet
Single-Channel, 128-/64-/32-Position, Up/Down, ±8%
Resistor Tolerance, Nonvolatile Digital Potentiometer
AD5111/AD5113/AD5115
FEATURES
Nominal resistor tolerance error: ±8% maximum Wiper current: ±6 mA Rheostat mode temperature coefficient: 35 ppm/°C Low power consumption: 2.5 µA max @ 2.7 V and 125°C Wide bandwidth: 4 MHz (5 kΩ option) Power-on EEPROM refresh time < 50 μs 50-year typical data retention at 125°C 1 million write cycles 2.3 V to 5.5 V supply operation Chip select enable multiple device operation Wide operating temperature: −40°C to +125°C Thin, 2 mm × 2 mm × 0.55 mm 8-lead LFCSP package
APPLICATIONS
Mechanical potentiometer replacement Portable electronics level adjustment Audio volume control Low resolution DAC LCD panel brightness and contrast control Programmable voltage to current conversion Programmable filters, delays, time constants Feedback resistor programmable power supply Sensor calibration
FUNCTIONAL BLOCK DIAGRAM
VDD
POWER-ON RESET
AD5111/ AD5113/ AD5115
CLK CS U/D
EN
UP/DOWN CONTROL
LOGIC
DATA EEPROM
DATA
RDAC
REGISTER
A W B
GND
Figure 1.
09654-001
Table 1. ±8% Resistance Tolerance Family
Model
Resistance (kΩ)
Position
AD5110 10, 80
128
AD5111 10, 80
128
AD5112 5, 10, 80
64
AD5113 5, 10, 80
64
AD5116 5, 10, 80
64
AD5114 10, 80
32
AD5115 10, 80
32
Interface I2C Up/down I2C Up/down Push-button I2C Up/down
GENERAL DESCRIPTION
The AD5111/AD5113/AD5115 provide a nonvolatile solution for 128-/64-/32-position...
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