Overview
The OP284FSZ is a dual operational amplifier produced by Analog Devices Inc. It is known for its precision and versatility, making it suitable for a wide range of applications. The OP284FSZ features rail-to-rail inputs and outputs, allowing it to operate effectively in both single-supply and dual-supply configurations. It is guaranteed to operate from 3 V to 36 V in single-supply mode or from ±1.5 V to ±18 V in dual-supply mode. This amplifier is particularly useful in applications requiring both AC and precision DC performance.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage (OP284F Grade) | VOS | −40°C ≤ TA ≤ +125°C | 125 μV | - | 350 μV | μV |
| Input Bias Current | IB | −40°C ≤ TA ≤ +125°C | 60 nA | 450 nA | 600 nA | nA |
| Input Offset Current | IOS | −40°C ≤ TA ≤ +125°C | - | - | 50 nA | nA |
| Input Voltage Range | - | - | 0 V | - | 3 V (single-supply), ±15 V (dual-supply) | V |
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to 3 V, −40°C ≤ TA ≤ +125°C | 56 dB | - | 60 dB | dB |
| Slew Rate | SR | RL = 2 kΩ | 2.4 V/μs | 4.0 V/μs | - | V/μs |
| Gain Bandwidth Product | GBP | - | - | - | 4.25 MHz | MHz |
| Voltage Noise Density | en | f = 1 kHz | - | 3.9 nV/√Hz | - | nV/√Hz |
| Supply Voltage | VSY | - | ±1.5 V | - | ±18 V | V |
| Functional Temperature Range | TA | - | −40°C | - | +125°C | °C |
Key Features
- Rail-to-Rail Inputs and Outputs: Allows the amplifier to operate effectively in both single-supply and dual-supply configurations.
- Wide Bandwidth: 4 MHz typical gain bandwidth product.
- Low Offset Voltage: As low as 125 μV for the OP284F grade.
- Unity-Gain Stable: Ensures stability in unity-gain configurations.
- High Slew Rate: Up to 4.0 V/μs.
- Low Noise: Voltage noise density of 3.9 nV/√Hz at 1 kHz.
- Single-Supply Operation: Operates from 3 V to 36 V.
- Dual-Supply Operation: Operates from ±1.5 V to ±18 V.
Applications
- Battery-Powered Instrumentation: Ideal for portable and battery-powered devices due to its low power consumption and high performance.
- Power Supply Control and Protection: Used in power supply circuits for control and protection.
- Telecommunications: Suitable for use in portable telecommunications equipment.
- Filters and Instrumentation: Useful in various filter designs and instrumentation applications requiring precision and wide bandwidth.
- ADC and DAC Interfaces: Can be used as input buffers for ADCs and output amplifiers for DACs.
- Transducer Amplifiers: Suitable for amplifying signals from transducers such as Hall effect, piezoelectric, and resistive sensors.
Q & A
- What is the typical gain bandwidth product of the OP284FSZ?
The typical gain bandwidth product of the OP284FSZ is 4.25 MHz.
- What is the operating voltage range for the OP284FSZ in single-supply mode?
The OP284FSZ operates from 3 V to 36 V in single-supply mode.
- What is the typical slew rate of the OP284FSZ?
The typical slew rate of the OP284FSZ is 4.0 V/μs.
- What is the voltage noise density of the OP284FSZ at 1 kHz?
The voltage noise density of the OP284FSZ at 1 kHz is 3.9 nV/√Hz.
- Is the OP284FSZ unity-gain stable?
Yes, the OP284FSZ is unity-gain stable.
- What is the common-mode rejection ratio (CMRR) of the OP284FSZ?
The CMRR of the OP284FSZ is typically 60 dB.
- What are some common applications of the OP284FSZ?
The OP284FSZ is commonly used in battery-powered instrumentation, power supply control and protection, telecommunications, filters, and instrumentation, as well as in ADC and DAC interfaces and transducer amplifiers.
- What is the functional temperature range of the OP284FSZ?
The functional temperature range of the OP284FSZ is from −40°C to +125°C.
- Does the OP284FSZ support dual-supply operation?
Yes, the OP284FSZ supports dual-supply operation from ±1.5 V to ±18 V.
- What is the input bias current of the OP284FSZ?
The input bias current of the OP284FSZ is typically 450 nA.
