Overview
The OP249GSZ-REEL, produced by Analog Devices Inc., is a high-speed, precision dual JFET operational amplifier. This device is renowned for its superior speed and excellent DC performance, making it an ideal choice for various high-speed and precision applications. The OP249 outperforms other available dual amplifiers by offering ultrahigh open-loop gain, low offset voltage, and superb gain linearity. It is particularly suited for applications requiring fast settling times and low distortion, such as in high-speed bipolar DAC and ADC systems, professional audio, active filters, and servo systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | VCM = 0 V | 0.2 | 0.75 | 0.9 | mV |
| Input Bias Current | IB | VCM = 0 V, TA = 25°C | 30 | 75 | 75 | pA |
| Input Offset Current | IOS | VCM = 0 V, TA = 25°C | 6 | 25 | 25 | pA |
| Input Voltage Range | IVR | ±11 | ±11 | ±11 | V | |
| Common-Mode Rejection Ratio | CMR | VCM = ±11 V | 80 | 90 | 90 | dB |
| Power-Supply Rejection Ratio | PSRR | VS = ±4.5 V to ±18 V | 12 | 31.6 | 50 | µV/V |
| Large Signal Voltage Gain | AVO | VO = ±10 V, RL = 2 kΩ | 1000 | 1400 | 1400 | V/mV |
| Output Voltage Swing | VO | RL = 2 kΩ | ±12 | ±12 | ±12 | V |
| Supply Current | ISY | No load, VO = 0 V | 5.6 | 7.0 | 7.0 | mA |
| Slew Rate | SR | 22 | V/µs | |||
| Settling Time (0.01%) | 1.2 | µs | ||||
| Total Harmonic Distortion | 0.002% | % |
Key Features
- Slew Rate: 22 V/µs typical, ensuring fast response times in high-speed applications.
- Settling Time: Less than 1.2 µs maximum to 0.01%, which is crucial for applications requiring quick signal stabilization.
- Offset Voltage: 200 µV typical, contributing to its high precision and low error in DC applications.
- Open-Loop Gain: 1000 V/mV minimum, providing high gain accuracy and precision in closed-loop configurations.
- Total Harmonic Distortion: 0.002% typical, ensuring minimal distortion in the output signal.
- Common-Mode Rejection Ratio (CMRR): 80 dB to 90 dB, offering good rejection of common-mode signals.
- Power-Supply Rejection Ratio (PSRR): 12 µV/V to 50 µV/V, indicating good immunity to power supply noise.
Applications
- Output Amplifier for Fast DACs and ADCs: Ideal for high-speed bipolar DAC and ADC applications due to its fast settling time and low distortion.
- Signal Processing: Suitable for various signal processing tasks requiring high precision and speed.
- Instrumentation Amplifiers: Used in instrumentation due to its high gain accuracy and low offset voltage.
- Professional Audio: Excellent for professional audio applications where low distortion and high fidelity are critical.
- Active Filters and High-Speed Integrators: Ideal for active filter designs and high-speed integrator circuits.
- Servo Systems and Buffer Amplifiers: Used in servo systems and as buffer amplifiers where high speed and precision are required.
Q & A
- What is the typical slew rate of the OP249?
The typical slew rate of the OP249 is 22 V/µs.
- What is the maximum settling time of the OP249 to 0.01%?
The maximum settling time of the OP249 to 0.01% is 1.2 µs.
- What is the typical offset voltage of the OP249?
The typical offset voltage of the OP249 is 200 µV.
- What is the minimum open-loop gain of the OP249?
The minimum open-loop gain of the OP249 is 1000 V/mV.
- What is the typical total harmonic distortion of the OP249?
The typical total harmonic distortion of the OP249 is 0.002%.
- What are some common applications of the OP249?
The OP249 is commonly used in high-speed DAC and ADC applications, signal processing, instrumentation amplifiers, professional audio, active filters, high-speed integrators, servo systems, and buffer amplifiers.
- What is the common-mode rejection ratio (CMRR) of the OP249?
The CMRR of the OP249 is between 80 dB and 90 dB.
- What is the power-supply rejection ratio (PSRR) of the OP249?
The PSRR of the OP249 ranges from 12 µV/V to 50 µV/V.
- What is the supply current of the OP249?
The supply current of the OP249 is between 5.6 mA and 7.0 mA with no load and VO = 0 V.
- Is the OP249 RoHS compliant?
Yes, the OP249GSZ-REEL is RoHS compliant.
