Overview
The OP285GSZ-REEL is a precision high-speed operational amplifier produced by Analog Devices Inc. It features the innovative Butler Amplifier front-end, which combines the accuracy and low noise performance of bipolar transistors with the speed of JFETs. This design results in an amplifier with high slew rates, low offset voltage, and excellent noise performance, all while maintaining low supply currents. The OP285 is particularly useful in applications requiring high precision, low noise, and medium speed, making it an ideal choice for various high-performance electronic systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | TA = 25°C | - | 250 | 600 | μV |
| Input Bias Current | IB | VCM = 0 V | 100 | 350 | - | nA |
| Differential Input Voltage | - | - | - | - | ±7.5 | V |
| Slew Rate | - | - | - | 22 | - | V/μs |
| Bandwidth | - | - | - | 9 | - | MHz |
| Supply Current | - | - | - | 5 | - | mA |
| Operating Temperature Range | - | - | -40 | - | 85 | °C |
| Package | - | - | - | - | 8-lead SOIC_N | - |
Key Features
- Low offset voltage: 250 μV (typical) and 600 μV (maximum over temperature range)
- Low noise: 6 nV/√Hz
- Low distortion: 0.0006%
- High slew rate: 22 V/μs
- Wide bandwidth: 9 MHz
- Low supply current: 5 mA
- Low offset current: 2 nA
- Unity-gain stable
- Available in 8-lead SOIC_N surface mount package
Applications
- High-performance audio systems
- Active filters
- Fast amplifiers
- Integrators
- Instrumentation amplifiers
- Ramp generators
- Bi-quad filters
- DC-coupled audio systems
- High-speed instrumentation systems
Q & A
- What is the typical input offset voltage of the OP285GSZ-REEL? The typical input offset voltage is 250 μV.
- What is the slew rate of the OP285GSZ-REEL? The slew rate is 22 V/μs.
- What is the bandwidth of the OP285GSZ-REEL? The bandwidth is 9 MHz.
- What is the supply current of the OP285GSZ-REEL? The supply current is 5 mA.
- In what package is the OP285GSZ-REEL available? It is available in an 8-lead SOIC_N surface mount package.
- What is the operating temperature range of the OP285GSZ-REEL? The operating temperature range is -40°C to +85°C.
- What are some common applications of the OP285GSZ-REEL? Common applications include high-performance audio systems, active filters, fast amplifiers, integrators, and high-speed instrumentation systems.
- Does the OP285GSZ-REEL have low noise performance? Yes, it has low noise performance with a noise level of 6 nV/√Hz.
- Is the OP285GSZ-REEL unity-gain stable? Yes, it is unity-gain stable.
- What is the differential input voltage limit for the OP285GSZ-REEL? The differential input voltage limit is ±7.5 V.
