OPA4277-EP - Enhanced Products High Precision Operational Amplifiers

The OPA4277-EP precision operational amplifier replaces the industry standard OP-177. It offers improved noise, wider output voltage swing, and is twice as fast with half the quiescent current. Features include ultra-low offset voltage and drift, low bias current, high common-mode rejection, and high power supply rejection.

The OPA4277-EP operates from ±2- to ±18-V supplies with excellent performance. Unlike most operational amplifiers which are specified at only one supply voltage, the OPA4277-EP precision operational amplifier is specified for real-world applications; a single limit applies over the ±5- to ±15-V supply range. High performance is maintained as the amplifier swings to the specified limits. Because the initial offset voltage (±20-µV max) is so low, user adjustment is usually not required.

The OPA4277-EP is easy to use and free from phase inversion and overload problems found in some operational amplifiers. It is stable in unity gain and provides excellent dynamic behavior over a wide range of load conditions. The OPA4277-EP features completely independent circuitry for lowest crosstalk and freedom from interaction, even when overdriven or overloaded.

• Ultra-Low Offset Voltage: 10 µV
• Ultra-Low Drift: ±0.1 µV/°C
• High Open-Loop Gain: 134 dB
• High Common-Mode Rejection: 140 dB
• High-Power Supply Rejection: 130 dB
• Low Bias Current: 1-nA Max
• Wide Supply Range: ±2 to ±18 V
• Low Quiescent Current: 800 µA/Amplifier
• Supports Defense, Aerospace, and Medical
  Applications
  • Controlled Baseline
  • One Assembly and Test Site
  • One Fabrication Site
  • Available in Military (–55°C to 125°C)
    Temperature Range
  • Extended Product Life Cycle
  • Extended Product-Change Notification
  • Product Traceability