AD5111

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...