Description

Zero Drift, High Voltage, Programmable Gain Instrumentation Amplifier with Charge Pump Features:Integrated bipolar charge pumpSimplified isolation requirements Wide input range on low voltage suppliesDedicated output amplifier supplies for ADC protectionLow power: 83 mW (DVDD = 3 V, VDDCP = 5 V)36 precision gains from 1/16 V/V to 176 V/VRobust ±60 V protected 2:1 input multiplexerLow input bias current: ±1.5 nA maximum at TA = 25°CIntegrated input EMI filtering7 GPIOx ports with special functionsSequential chip select modeExcellent dc precisionLow input offset voltage: ±14 µV maximum Low input offset voltage drift: ±0.08 µV/°C maximum Gain calibration via internal memory Low gain drift: ±1 ppm/°C maximum High CMRR: 111 dB minimum, G = 1 V/VExcitation current sourceSPI port with checksum (CRC) supportInternal/external fault detectionCompact 28-lead, 5 mm × 5 mm LFCSPSpecified temperature range: 40°C to +105°C