Overview
The OP27AZ/883C is a precision operational amplifier produced by Analog Devices Inc. This component combines low offset and drift with high speed and low noise, making it ideal for precision instrumentation and high-speed data-acquisition systems. The OP27AZ/883C is part of the OP27 family, known for its excellent performance in amplifying low-level signals with high accuracy and stability.
Key Specifications
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | VS = ±15 V, TA = 25°C | 10 | 25 | 30 | µV |
| Long-term VOS Stability | VOS/Time | 0.2 | 1.0 | 0.4 | µV/MO | |
| Input Offset Current | IOS | 7 | 35 | 12 | nA | |
| Input Bias Current | IB | ±10 | ±40 | ±15 | nA | |
| Input Noise Voltage | en | fO = 10 Hz | 3.5 | 5.5 | 3.8 | nV/√Hz |
| Gain Bandwidth Product | 8 | MHz | ||||
| Slew Rate | 2.8 | V/µs | ||||
| Operating Temperature Range | −55°C | +125°C | °C |
Key Features
- Low noise: 3.5 nV/√Hz at 10 Hz, with a low 1/f noise corner frequency of 2.7 Hz.
- High speed: 2.8 V/µs slew rate and 8 MHz gain bandwidth product.
- Low input bias current: ±10 nA, achieved through a bias current cancellation circuit.
- High open-loop gain: 1.8 million.
- Excellent load driving capability: guaranteed swing of ±10 V into 600 Ω.
- Low output distortion, making it suitable for professional audio applications.
- Long-term drift stability: 0.2 µV/month.
Applications
- Precision instrumentation applications such as stable integrators, precision summing amplifiers, and precision voltage threshold detectors.
- High-speed data-acquisition systems.
- Professional audio circuits, including tape heads and microphone preamplifiers.
- Comparators and other high-accuracy amplification needs.
Q & A
- What is the input offset voltage of the OP27AZ/883C? The input offset voltage is typically 25 µV, with a maximum of 30 µV.
- What is the slew rate of the OP27AZ/883C? The slew rate is 2.8 V/µs.
- What is the gain bandwidth product of the OP27AZ/883C? The gain bandwidth product is 8 MHz.
- What is the operating temperature range of the OP27AZ/883C? The operating temperature range is −55°C to +125°C.
- What is the input noise voltage of the OP27AZ/883C at 10 Hz? The input noise voltage is typically 3.5 nV/√Hz at 10 Hz.
- What are some typical applications of the OP27AZ/883C? Typical applications include precision instrumentation, high-speed data-acquisition systems, and professional audio circuits.
- What is the long-term VOS stability of the OP27AZ/883C? The long-term VOS stability is 0.2 µV/month.
- What is the input bias current of the OP27AZ/883C? The input bias current is typically ±10 nA.
- Is the OP27AZ/883C suitable for professional audio applications? Yes, it is suitable due to its low output distortion and good load driving capability.
- What is the package type of the OP27AZ/883C? The OP27AZ/883C is available in an 8-Lead CERDIP package.
