Overview
The OP284FS-REEL7, produced by Analog Devices Inc., is a dual single-supply operational amplifier. It is part of the OP184/OP284/OP484 family, which includes single, dual, and quad configurations. This amplifier is known for its wide bandwidth, low noise, and rail-to-rail input and output capabilities, making it suitable for a variety of applications requiring both AC and precision DC performance.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | −55°C ≤ TA ≤ +125°C | 100 μV | 200 μV | μV | |
| Input Bias Current | IB | −55°C ≤ TA ≤ +125°C | 80 nA | 450 nA | 600 nA | nA |
| Input Offset Current | IOS | −55°C ≤ TA ≤ +125°C | 50 nA | nA | ||
| Input Voltage Range | −15 V | +15 V | V | |||
| Common-Mode Rejection Ratio | CMRR | VCM = −14.0 V to +14.0 V, −55°C ≤ TA ≤ +125°C | 86 dB | 90 dB | dB | |
| Output Voltage High | VOH | IL = 1.0 mA | 14.8 V | V | ||
| Output Voltage Low | VOL | IL = 1.0 mA | −14.875 V | V | ||
| Output Current | IOUT | ±10 mA | mA | |||
| Slew Rate | SR | RL = 2 kΩ | 2.4 V/μs | 4.0 V/μs | V/μs | |
| Full-Power Bandwidth | BWp | 1% distortion, RL = 2 kΩ, VO = 29 V p-p | 35 kHz | kHz | ||
| Supply Current/Amplifier | ISY | VO = 0 V, −55°C ≤ TA ≤ +125°C | 2.0 mA | 2.25 mA | mA |
Key Features
- Single-supply operation with a voltage range of 3 V to 36 V (or ±1.5 V to ±18 V)
- Wide bandwidth: 4 MHz
- Low offset voltage: 100 μV (typical)
- Unity-gain stable
- High slew rate: 4.0 V/μs (typical)
- Low noise: 3.9 nV/√Hz
- Rail-to-rail inputs and outputs
- High common-mode rejection ratio (CMRR): up to 90 dB
- Supports defense and aerospace applications (AQEC standard) for the OP284-EP version
Applications
- Battery-powered instrumentation
- Power supply control and protection
- Telecommunications equipment
- DAC output amplifier and ADC input buffer
- Filters and instrumentation
- Portable telecommunications equipment
- Amplifiers or buffers for transducers with wide output ranges (e.g., Hall effect, piezoelectric, and resistive transducers)
Q & A
- What is the typical offset voltage of the OP284FS?
The typical offset voltage of the OP284FS is 100 μV.
- What is the slew rate of the OP284FS?
The slew rate of the OP284FS is typically 4.0 V/μs.
- What is the bandwidth of the OP284FS?
The bandwidth of the OP284FS is 4 MHz.
- Is the OP284FS unity-gain stable?
Yes, the OP284FS is unity-gain stable.
- What is the common-mode rejection ratio (CMRR) of the OP284FS?
The CMRR of the OP284FS is up to 90 dB.
- What are the typical supply current requirements for the OP284FS?
The typical supply current for the OP284FS is 2.0 mA to 2.25 mA depending on the supply voltage.
- Can the OP284FS operate in single-supply configurations?
Yes, the OP284FS can operate in single-supply configurations from 3 V to 36 V.
- What types of transducers can the OP284FS be used with?
The OP284FS can be used with Hall effect, piezoelectric, and resistive transducers due to its rail-to-rail input capability.
- Is the OP284FS suitable for defense and aerospace applications?
Yes, the OP284-EP version supports defense and aerospace applications (AQEC standard).
- What is the full-power bandwidth of the OP284FS?
The full-power bandwidth of the OP284FS is 35 kHz at 1% distortion.
