Data Sheet ADA4077-1/ADA4077-2/ADA4077-4
4 MHz, 7 nV/√Hz, Low Offset and Drift, High Precision Amplifiers
FEATURES
► Of...
Data Sheet ADA4077-1/ADA4077-2/ADA4077-4
4 MHz, 7 nV/√Hz, Low Offset and Drift, High Precision
Amplifiers
FEATURES
► Offset
voltage: ► 25 µV maximum at 25°C (B grade, 8-lead SOIC, single/ dual) ► 50 µV maximum at 25°C (A grade, 8-lead SOIC, single/ dual) ► 50 µV maximum at 25°C (A grade, 14-lead SOIC, quad)
► Offset
voltage drift: ► 0.25 µV/°C maximum (B grade, 8-lead SOIC, single/dual) ► 0.55 µV/°C maximum (A grade, 8-lead SOIC, single/dual) ► 0.75 µV/°C maximum (A grade, 14-lead SOIC, quad)
► MSL1 rated ► Low input bias current: 1 nA maximum at TA = 25°C ► Low
voltage noise density: 6.9 nV/√Hz typical at f = 1000 Hz ► CMRR, PSRR, and AV > 120 dB minimum ► Low supply current: 400 µA per amplifier typical ► Wide gain bandwidth product: 3.9 MHz at ±5 V ► Dual-supply operation:
► Specified at ±5 V to ±15 V ► Operates at ±2.5 V to ±15 V ► Unity gain stable ► No phase reversal ► Long-term offset
voltage drift (10,000 hours): 0.5 µV typical ► Temperature hysteresis: 1 µV typical
APPLICATIONS
► Process control front-end
amplifiers ► Optical network control circuits ► Instrumentation ► Precision sensors and controls ► Precision filters
GENERAL DESCRIPTION
The single ADA4077-1, dual ADA4077-2, and quad ADA4077-4
amplifiers feature extremely low offset
voltage and drift, and low input bias current, noise, and power consumption. Outputs are stable with capacitive loads of more than 1000 pF with no external compensation.
Applications for this amplifier include sensor signal conditionin...