Texas Instruments OPA2277TDD1

The OPA2277 precision operational amplifier, produced by Texas Instruments, is a high-performance component designed to replace industry standards such as the OP-177. It offers improved noise characteristics, a wider output voltage swing, and is twice as fast as its predecessors while consuming half the quiescent current. This amplifier is known for its ultra-low offset voltage, ultra-low drift, high open-loop gain, and high common-mode rejection, making it suitable for a variety of precision applications.

• Ultra-Low Offset Voltage: 10 µV, ensuring high precision in applications.
• Ultra-Low Drift: ±0.1 µV/°C, maintaining stability over temperature changes.
• High Open-Loop Gain: 134 dB, providing high amplification accuracy.
• High Common-Mode Rejection: 140 dB, reducing noise and interference.
• High Power Supply Rejection: 130 dB, minimizing the impact of power supply variations.
• Low Bias Current: 1 nA maximum, reducing the load on input sources.
• Wide Supply Range: ±2V to ±18V, offering flexibility in power supply configurations.
• Low Quiescent Current: 800 µA per amplifier, efficient for battery-powered devices.
• Stable in Unity Gain: No phase inversion or overload problems, ensuring reliable operation.
• Dual and Quad Versions Available: Completely independent circuitry for minimal crosstalk.

• Transducer Amplifier: For precise signal amplification from transducers.
• Bridge Amplifier: Suitable for bridge configurations in measurement systems.
• Temperature Measurements: Accurate temperature sensing and amplification.
• Strain Gage Amplifier: For strain gage sensors in industrial and medical applications.
• Precision Integrator: Used in analog integration circuits requiring high precision.
• Battery Powered Instruments: Efficient operation with low quiescent current.
• Test Equipment: Ideal for lab and field instrumentation due to its high performance and stability.
• Data Acquisition (DAQ): For precise analog input modules in data acquisition systems.
• Pressure and Weigh Scale Applications: High accuracy in pressure and weight measurement systems.

1. What is the input offset voltage of the OPA2277?

   The input offset voltage of the OPA2277 is typically ±10 µV, with a maximum of ±25 µV.

2. What is the temperature range for the OPA2277?

   The OPA2277 operates over an ambient temperature range of -40°C to 85°C.

3. What is the supply voltage range for the OPA2277?

   The OPA2277 can operate from a supply voltage range of ±2V to ±18V).

4. What is the quiescent current per amplifier for the OPA2277?

   The quiescent current per amplifier for the OPA2277 is 800 µA).

5. Is the OPA2277 stable in unity gain configuration?

   Yes, the OPA2277 is stable in unity gain and does not suffer from phase inversion or overload problems).

6. What are some common applications of the OPA2277?

   The OPA2277 is commonly used in transducer amplifiers, bridge amplifiers, temperature measurements, strain gage amplifiers, and precision integrators, among other applications).

7. Does the OPA2277 have any special handling requirements?

   Yes, the OPA2277 is susceptible to ESD damage and should be handled with appropriate precautions to avoid damage).

8. What are the ESD ratings for the OPA2277?

   The OPA2277 has an ESD rating of ±2000 V for the human-body model and ±500 V for the charged-device model).

9. Are there different package options available for the OPA2277?

   Yes, the OPA2277 is available in various packages, including PDIP, SOIC, and VSON).

10. Does the OPA2277 replace any other operational amplifiers?

    Yes, the OPA2277 replaces industry standards such as the OP-07, OP-77, and OP-177).