Overview
The OP482GPZ, produced by Analog Devices Inc., is a quad low-power, high-speed JFET operational amplifier. This device is renowned for its excellent speed at exceptionally low supply currents, making it ideal for battery-powered systems and power-restricted applications. The OP482GPZ features a JFET input stage, which ensures very low bias currents and offset voltages, enhancing its performance in various high-precision applications.
Key Specifications
| Parameter | Typical Value | Maximum Value |
|---|---|---|
| Supply Current per Amplifier | 210 µA | 250 µA |
| Offset Voltage (VOS) | 0.2 mV | 4 mV (−40°C ≤ TA ≤ +85°C) |
| Input Bias Current (IB) | 100 pA | 500 pA (VCM = 0 V) |
| Slew Rate (SR) | 9 V/µs | |
| Gain Bandwidth Product (GBP) | 4 MHz | |
| Common-Mode Rejection Ratio (CMRR) | 70 dB | 90 dB (−11 V ≤ VCM ≤ +15 V) |
| Supply Voltage Range (VS) | ±4.5 V to ±18 V | |
| Output Voltage High (VOH) | 13.5 V | 13.9 V (RL = 10 kΩ) |
| Output Voltage Low (VOL) | −13.9 V | −13.5 V (RL = 10 kΩ) |
Key Features
- High speed at low power consumption, with a typical slew rate of 9 V/µs and a supply current of less than 250 µA per amplifier.
- Low offset voltage and bias current, with a maximum offset voltage of 4 mV and a maximum bias current of 500 pA.
- Wide output swing, within 1.5 V of each supply rail.
- Input common-mode range that includes the positive supply, making it suitable for high-side signal conditioning.
- Unity-gain stable and specified over the extended industrial temperature range.
Applications
The OP482GPZ is optimized for various applications that require high speed and low power consumption. Key applications include:
- Telecommunications
- Geophysical exploration
- Portable medical equipment
- Navigational instrumentation
- Battery-powered systems and power-restricted applications
- High-side signal conditioning
Q & A
- What is the typical slew rate of the OP482GPZ?
The typical slew rate is 9 V/µs. - What is the maximum supply current per amplifier?
The maximum supply current per amplifier is 250 µA. - What is the maximum offset voltage for the OP482GPZ?
The maximum offset voltage is 4 mV over the temperature range −40°C to +85°C. - What is the input bias current of the OP482GPZ?
The input bias current is typically 100 pA and maximum 500 pA. - What is the gain bandwidth product of the OP482GPZ?
The gain bandwidth product is 4 MHz. - What is the common-mode rejection ratio (CMRR) of the OP482GPZ?
The CMRR is 70 dB to 90 dB over the common-mode voltage range. - What is the output voltage swing of the OP482GPZ?
The output voltage swing is within 1.5 V of each supply rail. - Is the OP482GPZ unity-gain stable?
Yes, the OP482GPZ is unity-gain stable. - What are the typical applications of the OP482GPZ?
The OP482GPZ is used in telecommunications, geophysical exploration, portable medical equipment, navigational instrumentation, and high-side signal conditioning. - What is the temperature range over which the OP482GPZ is specified?
The OP482GPZ is specified over the extended industrial temperature range of −40°C to +85°C.
