Overview
The OP484FSZ from Analog Devices Inc. is a quad precision operational amplifier featuring rail-to-rail input and output capabilities. This device is designed for single-supply operation and can function over a wide voltage range from 3 V to 36 V (or ±1.5 V to ±18 V), making it versatile for various applications. The OP484FSZ is known for its high precision, low noise, and wide bandwidth, which are essential for both AC and DC performance in single-supply systems.
The amplifier is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for space-constrained designs. It is also compliant with industry standards such as EU RoHS and has been in production since March 7, 2006.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage (OP484F Grade) | VOS | −40°C ≤ TA ≤ +125°C | 150 | 250 | 500 | μV |
| Input Bias Current | IB | −40°C ≤ TA ≤ +125°C | 60 | 450 | 575 | nA |
| Input Offset Current | IOS | −40°C ≤ TA ≤ +125°C | 2 | 50 | 50 | nA |
| Input Voltage Range | 0 | 15 | V | |||
| Common-Mode Rejection Ratio | CMRR | VCM = −14.0 V to +14.0 V, −40°C ≤ TA ≤ +125°C | 80 | 90 | dB | |
| Large Signal Voltage Gain | AVO | RL = 2 kΩ, −10 V ≤ VO ≤ 10 V | 75 | 1000 | V/mV | |
| Output Voltage High | VOH | IL = 1.0 mA | 4.80 | V | ||
| Output Voltage Low | VOL | IL = 1.0 mA | 125 | mV | ||
| Output Current | IOUT | ±6.5 | mA |
Key Features
- Single-Supply Operation: The OP484FSZ operates from a single supply voltage ranging from 3 V to 36 V (or ±1.5 V to ±18 V), making it suitable for a wide range of applications.
- Rail-to-Rail Input and Output: The amplifier features rail-to-rail input and output capabilities, enabling it to swing from the negative to the positive supply rail, which is particularly useful in single-supply systems.
- Low Offset Voltage: The device has a low offset voltage, with values as low as 150 μV for the OP484F grade, ensuring high precision in applications.
- High Bandwidth and Slew Rate: It offers a wide bandwidth of 4 MHz and a high slew rate of 4.0 V/μs, making it suitable for applications requiring both AC and DC performance.
- Low Noise: The OP484FSZ has a low noise level of 3.9 nV/√Hz, which is crucial for precision instrumentation and other noise-sensitive applications.
- High Common-Mode Rejection Ratio (CMRR): The device has a CMRR of up to 90 dB, ensuring good immunity to common-mode noise.
Applications
- Battery-Powered Instrumentation: The low power consumption and single-supply operation make it ideal for battery-powered instrumentation.
- Power Supply Control and Protection: The OP484FSZ can be used in power supply control and protection circuits due to its rail-to-rail input and output capabilities.
- Telecommunications: It is suitable for use in portable telecommunications equipment where low noise and high precision are required.
- Sensors and Transducers: The amplifier is useful for amplifying signals from sensors such as Hall effect, piezoelectric, and resistive transducers.
- Filters and Instrumentation: The combination of wide bandwidth, low noise, and precision makes it useful in filters and other instrumentation applications).
Q & A
- What is the operating voltage range of the OP484FSZ?
The OP484FSZ operates from a single supply voltage ranging from 3 V to 36 V (or ±1.5 V to ±18 V).
- What are the key features of the OP484FSZ?
The key features include single-supply operation, rail-to-rail input and output, low offset voltage, high bandwidth, low noise, and high CMRR.
- What is the typical application of the OP484FSZ in telecommunications?
The OP484FSZ is used in portable telecommunications equipment where low noise and high precision are required).
- How does the OP484FSZ handle input signal excursions?
External clamping diodes can be used to prevent input signal excursions from exceeding the supply rails).
- What is the output current capability of the OP484FSZ?
The output current capability is ±6.5 mA).
- Is the OP484FSZ compliant with EU RoHS regulations?
Yes, the OP484FSZ is compliant with EU RoHS regulations).
- What is the package type of the OP484FSZ?
The OP484FSZ is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package).
- What are some typical applications of the OP484FSZ in instrumentation?
Typical applications include battery-powered instrumentation, ADC input buffers, and DAC output amplifiers).
- How does the OP484FSZ perform in terms of noise?
The OP484FSZ has a low noise level of 3.9 nV/√Hz, making it suitable for noise-sensitive applications).
- What is the bandwidth of the OP484FSZ?
The bandwidth of the OP484FSZ is 4 MHz).
