Data Sheet ADA4530-1
Femtoampere Input Bias Current Electrometer Amplifier
FEATURES
PIN CONNECTION DIAGRAM
► Low input bias current ► ±20 fA maximum at TA = 25°C (guaranteed at production test) ► ±20 fA maximum at −40°C TA +85°C ► ±250 fA maximum at −40°C TA +125°C (guaranteed at production test)
► Low offset
voltage: 50 µV maximum over specified CMRR range
► Offset
voltage drift: ±0.
13 µV/°C typical, ±0.
5 µV/°C maximum
► Integrated guard buffer with 100 µV maximum offset
► Low
voltage noise density: 14 nV/√Hz at 10 kHz
► Wide bandwidth: 2 MHz unity-gain crossover
► Supply
voltage: 4.
5 V to 16 V (±2.
25 V to ±8 V)
► Operating temperature: −40°C to +125°C
► Long-term offset
voltage ...