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 conditioning (such as thermocouples, resistance temperature detectors (RTDs), strain gages), process control front-end amplifiers, and precision diode power measurement in optical and wireless transmission systems. The ADA4077-1/ADA4077-2/ADA4077-4 are useful in line powered and portable instrumentation, precision filters, and voltage or current measurement and level setting.
Unlike other amplifiers, the ADA4077-1/ADA4077-2/ADA4077-4 have an MSL1 rating that is compliant with the most stringent of assembly processes, and they are specified over the extended industrial temperature range from −40°C to +125°C for the most demanding operating environments.
The ADA4077-1 and ADA4077-2 are available in an 8-lead SOIC package, including the B grade, and in an 8-lead MSOP (A grade only). The ADA4077-4 is offered in a 14-lead TSSOP and a 14-lead SOIC package.

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