ADA4077-4ARZ-R7

Quad ADA4077-4 high precision amplifier 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 1000pF with no external compensation. Applications for this amplifier include sensor signal conditioning (such as thermocouples, resistance temperature detectors (RTDs), strain gauges), process control front-end amplifiers, and precision diode power measurement in optical and wireless transmission systems. The ADA4077-4 is useful in line powered and portable instrumentation, precision filters, and voltage or current measurement and level setting. It is specified over the extended industrial temperature range from -40°C to +125°C for the most demanding operating environments. Applications include process control front-end amplifiers, optical network control circuits, instrumentation, precision sensors and controls, precision filters.

• Unity gain stable, no phase reversal
• Long-term offset voltage drift (10,000 hours): 0.5µV typical
• Temperature hysteresis of 1µV typical
• 14-lead SOIC package, -40°C to +125°C temperature range
• Typical input offset voltage of 15µV (VSY = ±5.0V, VCM = 0V, TA = 25°C)
• Typical input offset voltage drift of 0.4µV/°C (VSY = ±5.0 V, VCM = 0 V, TA = 25°C)
• Input bias current of 1nA max (VSY = ±5.0V, VCM = 0V, TA = 25°C)
• Input offset current of 0.5nA max (VSY = ±5.0V, VCM = 0V, TA = 25°C)
• Common-mode rejection ratio of 140dB at VCM = −3.8V to +3V
• Power supply rejection ratio of 128dB at VS = ±2.5V to ±18V, slew rate of 1.2V/µs RL = 2Kohm

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