AD8278

Low Power, Wide Supply Range, Low Cost Difference Amplifiers, G = ½, 2 AD8278/AD8279 FEATURES Wide input range beyond supplies Rugged input overvoltage protection Low supply current: 200 μA maximum (per amplifier) Low power dissipation: 0.5 mW at VS = 2.5 V Bandwidth: 1 MHz (G = ½) CMRR: 80 dB minimum, dc to 20 kHz (G = ½, B Grade) Low offset voltage drift: ±1 μV/°C maximum (B Grade) Low gain drift: 1 ppm/°C maximum (B Grade) Enhanced slew rate: 1.4 V/μs Wide power supply range Single supply: 2 V to 36 V Dual supplies: ±2 V to ±18 V 8-lead SOIC, 14-lead SOIC, and 8-lead MSOP packages APPLICATIONS Voltage measurement and monitoring Current measurement and monitoring Instrumentation amplifier building block Portable, battery-powered equipment Test and measurement GENERAL DESCRIPTION The AD8278 and AD8279 are general-purpose difference amplifiers intended for precision signal conditioning in power critical applications that require both high performance and low power. The AD82...