Overview
The OP284FP, produced by Analog Devices Inc., is a dual operational amplifier known for its robust performance in single-supply and dual-supply configurations. This amplifier features a 4 MHz bandwidth and rail-to-rail inputs and outputs, making it highly versatile for various applications. It operates from a single supply of 3 V to 36 V or dual supplies from ±1.5 V to ±18 V, ensuring flexibility in design. The OP284FP is particularly suited for applications requiring both AC and precision DC performance, such as in filters, instrumentation, and telecommunications equipment.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage (OP284E Grade) | VOS | −40°C ≤ TA ≤ +125°C | 125 μV | 350 μV | μV | |
| Offset Voltage (OP284F Grade) | VOS | −40°C ≤ TA ≤ +125°C | 175 μV | 375 μV | μV | |
| Input Bias Current | IB | −40°C ≤ TA ≤ +125°C | 60 nA | 300 nA | 500 nA | nA |
| Input Offset Current | IOS | −40°C ≤ TA ≤ +125°C | 50 nA | 50 nA | nA | |
| Input Voltage Range | 0 V | +3 V | V | |||
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to 3 V, −40°C ≤ TA ≤ +125°C | 56 dB | 60 dB | dB | |
| Gain Bandwidth Product | GBP | 4 MHz | MHz | |||
| Slew Rate | SR | RL = 2 kΩ | 2.4 V/μs | 4.0 V/μs | V/μs | |
| Voltage Noise Density | en | f = 1 kHz | 3.9 nV/√Hz | nV/√Hz | ||
| Supply Current/Amplifier | ISY | VO = 1.5 V, −40°C ≤ TA ≤ +125°C | 1.15 mA | mA |
Key Features
- Single-supply operation from 3 V to 36 V or dual-supply from ±1.5 V to ±18 V
- Rail-to-rail inputs and outputs
- Wide bandwidth: 4 MHz
- Low offset voltage: 125 μV (OP284E Grade), 175 μV (OP284F Grade)
- Unity-gain stable
- High slew rate: 4.0 V/μs typical
- Low noise: 3.9 nV/√Hz typical
- High common-mode rejection ratio (CMRR): up to 60 dB
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 operating voltage range of the OP284FP?
The OP284FP operates from a single supply of 3 V to 36 V or dual supplies from ±1.5 V to ±18 V.
- What is the bandwidth of the OP284FP?
The OP284FP has a bandwidth of 4 MHz.
- What are the key features of the OP284FP?
The key features include rail-to-rail inputs and outputs, low offset voltage, unity-gain stability, high slew rate, and low noise.
- What are some common applications of the OP284FP?
Common applications include battery-powered instrumentation, power supply control and protection, telecommunications equipment, and use as DAC output amplifiers or ADC input buffers.
- What is the typical slew rate of the OP284FP?
The typical slew rate is 4.0 V/μs.
- What is the voltage noise density of the OP284FP?
The voltage noise density is 3.9 nV/√Hz at 1 kHz.
- What is the common-mode rejection ratio (CMRR) of the OP284FP?
The CMRR is up to 60 dB.
- What is the input bias current of the OP284FP?
The input bias current is typically 300 nA, with a maximum of 500 nA.
- What is the supply current per amplifier for the OP284FP?
The supply current per amplifier is typically 1.15 mA.
- What are the package options for the OP284FP?
The OP284FP is available in an 8-pin plastic DIP package.
