Overview
The OP285GSZ-REEL7, produced by Analog Devices Inc., is a dual precision operational amplifier that combines the advantages of JFET and bipolar technologies. This amplifier features the Butler Amplifier front-end, which integrates the accuracy and low noise performance of bipolar transistors with the high slew rates of JFETs. This design results in an amplifier with high precision, low offset voltage, and good noise performance at low supply currents. The OP285GSZ-REEL7 is suitable for a variety of applications requiring high speed, low noise, and precision, such as instrumentation systems, dc-coupled audio systems, and bi-quad filters.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | TA = 25°C | - | 35 | 250 | μV |
| Input Bias Current | IB | VCM = 0 V | - | 100 | 350 | nA |
| Input Offset Current | IOS | VCM = 0 V | - | ±2 | ±50 | nA |
| Common-Mode Rejection Ratio | CMRR | VCM = ±10.5 V | 80 | - | 106 | dB |
| Large-Signal Voltage Gain | AVO | RL = 2 kΩ | 175 | - | 250 | V/mV |
| Slew Rate | - | - | - | 22 | - | V/μs |
| Bandwidth | - | - | - | 9 | - | MHz |
| Supply Voltage | - | - | 4.5 | - | 44 | V |
| Operating Temperature Range | - | - | -40 | - | 85 | °C |
| Package | - | - | - | - | 8-SOIC | - |
Key Features
- High slew rate of 22 V/μs and a bandwidth of 9 MHz, making it suitable for high-speed applications.
- Low input offset voltage, laser-trimmed to less than 250 μV, ensuring high precision.
- Low noise performance and low drift, ideal for long-term stability in various applications.
- Low power consumption with a supply current of 4 mA per amplifier.
- Low input bias current of 100 nA, reducing the impact on the input signal.
- High common-mode rejection ratio (CMRR) of up to 106 dB, enhancing noise immunity.
- Available in an 8-lead SOIC surface mount package, facilitating easy integration into modern designs.
Applications
- Instrumentation amplifiers and high-speed instrumentation systems.
- Dc-coupled audio systems and summing applications.
- Ramp generators and bi-quad filters.
- Any application requiring high precision, low noise, and high slew rates.
Q & A
- What is the input offset voltage of the OP285GSZ-REEL7? The input offset voltage is laser-trimmed to less than 250 μV at 25°C and up to 600 μV over the -40°C to +85°C temperature range.
- What is the slew rate of the OP285GSZ-REEL7? The slew rate is 22 V/μs.
- What is the bandwidth of the OP285GSZ-REEL7? The bandwidth is 9 MHz.
- What is the typical supply current of the OP285GSZ-REEL7? The typical supply current is 4 mA per amplifier.
- What is the operating temperature range of the OP285GSZ-REEL7? The operating temperature range is -40°C to +85°C.
- What package type is the OP285GSZ-REEL7 available in? The OP285GSZ-REEL7 is available in an 8-lead SOIC surface mount package.
- What are some common applications of the OP285GSZ-REEL7? Common applications include instrumentation amplifiers, dc-coupled audio systems, ramp generators, and bi-quad filters.
- Does the OP285GSZ-REEL7 have rail-to-rail output capability? No, the OP285GSZ-REEL7 does not have rail-to-rail output capability.
- What is the common-mode rejection ratio (CMRR) of the OP285GSZ-REEL7? The CMRR is up to 106 dB.
- Is the OP285GSZ-REEL7 RoHS compliant? Yes, the OP285GSZ-REEL7 is RoHS compliant.
