Overview
The OP27GJ8 is a precision operational amplifier produced by Analog Devices Inc. It combines the low offset and drift of the OP07 with high speed and low noise characteristics, making it ideal for precision instrumentation and high-accuracy applications. This amplifier is known for its excellent performance in amplifying low-level signals with minimal noise and drift.
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 |
| Slew Rate | SR | RL ≥ 2 kΩ | 2.8 | V/µs | ||
| Gain Bandwidth Product | GBW | 8 | MHz |
Key Features
- Low input offset voltage down to 10 µV and maximum drift of 0.6 µV/°C.
- High speed with a slew rate of 2.8 V/µs and a gain bandwidth product of 8 MHz.
- Low noise with an input noise voltage of 3.5 nV/√Hz at 10 Hz.
- Low input bias current of ±10 nA and input offset current of 7 nA.
- High open-loop gain of 1.8 million and high common-mode rejection ratio (CMRR) of 126 dB.
- Good load driving capability with a guaranteed swing of ±10 V into 600 Ω.
Applications
- Precision instrumentation applications such as stable integrators, precision summing amplifiers, and precision voltage threshold detectors.
- Professional audio circuits including tape heads and microphone preamplifiers.
- High-speed data-acquisition systems.
- Comparators and other high-accuracy amplification needs.
Q & A
- What is the typical input offset voltage of the OP27GJ8?
The typical input offset voltage is 25 µV. - What is the slew rate of the OP27GJ8?
The slew rate is 2.8 V/µs. - What is the gain bandwidth product of the OP27GJ8?
The gain bandwidth product is 8 MHz. - What is the input noise voltage of the OP27GJ8 at 10 Hz?
The input noise voltage is 3.5 nV/√Hz at 10 Hz. - What is the common-mode rejection ratio (CMRR) of the OP27GJ8?
The CMRR is 126 dB at VCM of ±11 V. - What are the typical applications of the OP27GJ8?
Typical applications include precision instrumentation, professional audio circuits, and high-speed data-acquisition systems. - What is the maximum supply voltage for the OP27GJ8?
The maximum supply voltage is ±22 V. - What is the storage temperature range for the OP27GJ8?
The storage temperature range is not explicitly stated, but the operational temperature range is typically within the military temperature range. - Is the OP27GJ8 RoHS compliant?
Yes, the OP27GJ8 is RoHS compliant. - What is the long-term VOS stability of the OP27GJ8?
The long-term VOS stability is 0.2 µV/month.
