Overview
The OPA2277AIDRMTG4 is a high-precision operational amplifier manufactured by Texas Instruments. It is part of the OPAx277 series, which replaces the industry standard OP-177. This amplifier is known for its ultra-low offset voltage and drift, low bias current, high common-mode rejection, and high power supply rejection. The OPA2277 operates from a wide supply range of ±2 V to ±18 V, making it versatile for various real-world applications. It offers improved noise performance, wider output voltage swing, and is twice as fast with half the quiescent current compared to its predecessors.
Key Specifications
| Parameter | Unit | Minimum | Typical | Maximum |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | µV | ±10 | ±20 | ±20 |
| Input Offset Voltage Drift (dVOS/dT) | µV/°C | ±0.1 | ±0.15 | ±0.25 |
| Open-Loop Gain | dB | 134 | - | - |
| Common-Mode Rejection Ratio (CMRR) | dB | 140 | - | - |
| Power Supply Rejection Ratio (PSRR) | dB | 130 | - | - |
| Bias Current | nA | - | 1 | - |
| Supply Voltage Range | V | ±2 | - | ±18 |
| Quiescent Current per Amplifier | µA | - | 800 | - |
| Operating Temperature Range | °C | -55 | - | 125 |
Key Features
- 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 maximum
- Wide supply range: ±2 V to ±18 V
- Low quiescent current: 800 µA/amplifier
- Single, dual, and quad versions available
- Completely independent circuitry for lowest crosstalk and freedom from interaction in dual and quad versions
- Unity-gain stable and free from phase inversion and overload problems
Applications
The OPA2277AIDRMTG4 is suitable for a variety of applications due to its high precision and low noise characteristics. These include:
- Defense and aerospace applications
- Medical equipment and diagnostics
- Precision instrumentation and measurement systems
- High-performance audio and video equipment
- Industrial control systems requiring high accuracy and stability
Q & A
- What is the input offset voltage of the OPA2277AIDRMTG4?
The input offset voltage is ±10 µV typical and ±20 µV maximum.
- What is the operating temperature range of the OPA2277AIDRMTG4?
The operating temperature range is from -55°C to 125°C.
- What is the supply voltage range for the OPA2277AIDRMTG4?
The supply voltage range is from ±2 V to ±18 V.
- Is the OPA2277AIDRMTG4 unity-gain stable?
- What are the key features of the OPA2277AIDRMTG4?
- Are there different versions of the OPA2277 available?
- What kind of applications is the OPA2277AIDRMTG4 suitable for?
- Does the OPA2277AIDRMTG4 have any special packaging or handling requirements?
- Is the OPA2277AIDRMTG4 free from phase inversion and overload problems?
- What is the status of the OPA2277AIDRMTG4 in terms of production and availability?
