Overview
The OP482GS from Analog Devices Inc. is a quad operational amplifier designed for high-speed and low-power applications. This JFET input stage amplifier is notable for its excellent speed, low noise, and low power consumption, making it ideal for battery-powered systems and power-restricted applications. The OP482GS is available in a 14-ball wafer level chip scale package (WLCSP) and 14-SOIC packages, offering versatility in design and implementation.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Number of Channels | - | - | 4 | - | - |
| Gain Bandwidth Product (GBP) | - | - | 4 MHz | - | - |
| Slew Rate (SR) | SR | 7 | 9 | - | V/μs |
| Input Offset Voltage (VOS) | VOS | 0.2 | 4 | 6 | mV |
| Input Bias Current (IB) | IB | 3 | 100 | 500 | pA |
| Common-Mode Rejection Ratio (CMRR) | CMRR | 70 | - | 90 | dB |
| Supply Voltage Range | VS | ±4.5 | - | ±18 | V |
| Supply Current per Amplifier | ISY | 210 | - | 250 | μA |
| Operating Temperature Range | - | -40 | - | 85 | °C |
| Input Voltage Noise Density | en | - | 36 | - | nV/√Hz |
| Input Noise Current Density | in | - | 0.01 | - | pA/√Hz |
Key Features
- High Speed and Low Power: The OP482GS features a high slew rate of typically 9 V/μs and a low supply current of less than 250 μA per amplifier, making it suitable for battery-powered and power-restricted applications.
- Low Noise and Offset: The amplifier has a low input offset voltage of less than 4 mV and a low input bias current of typically 100 pA, ensuring high precision in signal processing.
- Wide Common-Mode Range: The input common-mode range includes the positive supply, which is beneficial for high-side signal conditioning.
- Unity-Gain Stable: The OP482GS is unity-gain stable, allowing for versatile use in various amplifier configurations.
- High Common-Mode Rejection Ratio (CMRR): With a CMRR of 70 dB to 90 dB, the amplifier provides excellent rejection of common-mode signals.
- Dual Supply Voltage: The amplifier operates over a dual supply voltage range of ±4.5 V to ±18 V.
Applications
- Telecommunications: The OP482GS is suitable for telecommunications equipment due to its high speed and low power consumption.
- Geophysical Exploration: Its low noise and high precision make it ideal for geophysical exploration equipment.
- Portable Medical Equipment: The amplifier's low power and high performance are beneficial for portable medical devices.
- Navigational Instrumentation: It is used in navigational instruments where high accuracy and low power are critical.
- Active Filters and Integrators: The OP482GS can be used in active filter and integrator circuits due to its high gain bandwidth product and fast settling time.
Q & A
- What is the typical slew rate of the OP482GS?
The typical slew rate of the OP482GS is 9 V/μs.
- What is the input offset voltage of the OP482GS?
The input offset voltage of the OP482GS is typically 4 mV and can be up to 6 mV over the full temperature range.
- What is the input bias current of the OP482GS?
The input bias current of the OP482GS is typically 100 pA and can be up to 500 pA over the full temperature range.
- What is the common-mode rejection ratio (CMRR) of the OP482GS?
The CMRR of the OP482GS is between 70 dB and 90 dB.
- What is the supply voltage range for the OP482GS?
The OP482GS operates over a dual supply voltage range of ±4.5 V to ±18 V.
- What is the typical supply current per amplifier for the OP482GS?
The typical supply current per amplifier for the OP482GS is less than 250 μA.
- What are the operating temperature ranges for the OP482GS?
The OP482GS operates over a temperature range of -40°C to +85°C.
- What are some common applications of the OP482GS?
The OP482GS is commonly used in telecommunications, geophysical exploration, portable medical equipment, and navigational instrumentation.
- Is the OP482GS unity-gain stable?
Yes, the OP482GS is unity-gain stable.
- What is the input voltage noise density of the OP482GS?
The input voltage noise density of the OP482GS is 36 nV/√Hz.
