ISL28478 - Intersil Corporation

ISL28478 (ISL28278 / ISL28478) Dual Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Precision Op-Amp

Input Offset Voltage Long Term Input Offset Voltage Stability Input Offset Drift vs Temperature Input Offset Current MAX 225 450 UNIT µV µV/Mo µV/°C 1.2 2.2 ±5 -600 Input Bias Current -40°C to +85°C Input Noise Voltage Peak-to-Peak Input Noise Voltage Density iN CMIR CMRR PSRR AVOL Input Noise Current Density Input Voltage Range Common-Mode Rejection Rat.

Features

• Low Power 120µA typ supply current for both channels
• 225µV max offset voltage
• 30pA typ input bias current
• 300kHz gain-bandwidth product
• 100dB typ PSRR and CMRR
• Single supply operation down to 2.4V
• Input is capable of swinging above V+ and below V(ground sensing)
• Rail-to-rail input and output (RRIO)
• Pb-free plus anneal available (RoHS compliant) Applications
• Battery- or solar-powered systems
• 4mA to 25mA current loops
• Handheld consumer products
• Medical devices
• Thermocouple amplifiers
• Photodiode pre-amps Ordering Information PART PART NUMBER MARKING ISL28278FAZ (Se.