深圳市中立信电子科技有限公司

ADA4077-1BRZ

精密放大器 Next Generation OP xx77 Wide BW Amp

4 MHz, 7 nV/√Hz, Low Offset and  Drift, High Precision Amplifiers

FEATURES ADA4077-1BRZ

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)

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 ADA4077-1BRZ

Process control front-end amplifiers

Optical network control circuits

Instrumentation

Precision sensors and controls

Precision filters

GENERAL DESCRIPTION ADA4077-1BRZ

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.