Overview
The OP27GS-REEL7 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 applications. The OP27 is known for its excellent performance in amplifying low-level signals with high accuracy and dynamic accuracy, particularly in high-speed data-acquisition systems and professional audio circuits.
Key Specifications
| Parameter | Symbol | Conditions | Typical Value | Unit |
|---|---|---|---|---|
| Input Offset Voltage | VOS | VS = ±15 V, TA = 25°C | 10 µV | µV |
| Input Offset Voltage Drift | ΔVOS/ΔT | –40°C to +85°C | 0.2 µV/°C | µV/°C |
| Input Noise Voltage Density | en | f = 10 Hz | 3.5 nV/√Hz | nV/√Hz |
| Slew Rate | SR | RL ≥ 2 kΩ | 2.8 V/µs | V/µs |
| Gain Bandwidth Product | GBW | 8 MHz | MHz | |
| Common-Mode Rejection Ratio | CMRR | VCM = ±11 V | 126 dB | dB |
| Input Bias Current | IB | TA = 25°C | ±10 nA | nA |
| Supply Voltage | VS | ±22 V | V | |
| Operating Temperature Range | TA | –40°C to +85°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 offset voltage: down to 25 µV and maximum drift of 0.6 µV/°C.
- High open-loop gain: 1.8 million.
- Low input bias current: ±10 nA.
- Good load driving capability: guaranteed swing of ±10 V into 600 Ω.
- Low output distortion, making it suitable for professional audio applications.
- Available in various packages including TO-99, CERDIP, PDIP, and SOIC.
Applications
- Precision instrumentation: stable integrators, precision summing amplifiers, precision voltage threshold detectors.
- Professional audio circuits: tape heads, microphone preamplifiers.
- High-speed data-acquisition systems.
- Comparators and other high-accuracy amplification applications.
Q & A
- What is the typical input offset voltage of the OP27GS-REEL7?
The typical input offset voltage is 10 µV at VS = ±15 V and TA = 25°C.
- What is the slew rate of the OP27GS-REEL7?
The slew rate is 2.8 V/µs for RL ≥ 2 kΩ.
- What is the gain bandwidth product of the OP27GS-REEL7?
The gain bandwidth product is 8 MHz.
- What is the common-mode rejection ratio (CMRR) of the OP27GS-REEL7?
The CMRR is 126 dB at VCM = ±11 V.
- What is the input bias current of the OP27GS-REEL7?
The input bias current is ±10 nA at TA = 25°C.
- What is the operating temperature range of the OP27GS-REEL7?
The operating temperature range is –40°C to +85°C.
- In what packages is the OP27GS-REEL7 available?
The OP27GS-REEL7 is available in packages such as TO-99, CERDIP, PDIP, and SOIC.
- What are some typical applications of the OP27GS-REEL7?
Typical applications include precision instrumentation, professional audio circuits, and high-speed data-acquisition systems.
- How does the OP27GS-REEL7 handle load driving?
The OP27GS-REEL7 has good load driving capability with a guaranteed swing of ±10 V into 600 Ω.
- What is the noise performance of the OP27GS-REEL7?
The OP27GS-REEL7 has a low noise performance with 3.5 nV/√Hz at 10 Hz and a low 1/f noise corner frequency of 2.7 Hz.
