AD5110

Data Sheet Single-Channel, 128-/64-/32-Position, I2C, ±8% Resistor Tolerance, Nonvolatile Digital Potentiometer AD5110/AD5112/AD5114 09582-001 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 analog supply operation 1.8 V to 5.5 V logic supply 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 VLOGIC VDD POWER-ON RESET AD5110/AD5112/AD5114 A SDA SCL DATA I2C SERIAL INTERFACE DATA EEPROM RDAC REGISTER W B GND Figure 1. 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 AD5110/AD5112/AD5114 provide a nonvolatile solution for 128-/64-/32-position adjus...