Overview
The OP249GS, produced by Analog Devices Inc., is a high-performance, dual-channel operational amplifier designed for a wide range of applications requiring high speed, low noise, and excellent DC performance. This amplifier is particularly suited for high-speed bipolar DAC and ADC applications, professional audio systems, active filters, high-speed integrators, and servo systems. The OP249GS features a fast slew rate of 22 V/µs and a settling time of less than 1.2 µs to 0.01%, making it ideal for demanding signal processing tasks.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | VCM = 0 V | 0.2 | 0.75 | 0.9 | mV |
| Offset Stability | - | - | - | 1.5 | 1.5 | µV/month |
| 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 | 1200 | V/mV |
| Supply Current | ISY | No load, VO = 0 V | 5.6 | 7.0 | 7.0 | mA |
| Gain Bandwidth Product | - | - | - | - | 4.7 | MHz |
| Input Voltage Noise Density | - | fO = 1 kHz | - | 17 | - | nV/√Hz |
Key Features
- High Slew Rate: 22 V/µs typical, making it suitable for high-speed applications.
- Fast Settling Time: Less than 1.2 µs to 0.01%, ensuring rapid signal processing.
- Low Distortion: Ultralow distortion levels, ideal for professional audio and high-fidelity applications.
- High DC Precision: Excellent open-loop gain linearity and high common-mode rejection ratio (CMR) of 80-90 dB.
- Low Offset Voltage: Inherent low offset voltage, reducing the need for external adjustments.
- Dual Supply Voltage: Operates with a dual supply voltage range of ±4.5 V to ±18 V.
- Surface Mount Package: Available in an 8-lead SOIC package, suitable for surface mount applications.
Applications
- High-Speed Bipolar DAC and ADC Applications: Ideal for high-resolution CMOS DACs and ADCs due to its fast settling time and low distortion.
- Professional Audio Systems: Suitable for audio applications requiring low noise and high fidelity.
- Active Filters and High-Speed Integrators: Used in filter circuits and integrators where high speed and precision are required.
- Servo Systems and Buffer Amplifiers: Applicable in servo systems and as buffer amplifiers due to its high gain accuracy and stability.
Q & A
- What is the slew rate of the OP249GS?
The slew rate of the OP249GS is 22 V/µs typical.
- What is the settling time of the OP249GS?
The settling time is less than 1.2 µs to 0.01%.
- What is the input bias current of the OP249GS?
The input bias current is 30-75 pA at TA = 25°C.
- What is the common-mode rejection ratio (CMR) of the OP249GS?
The CMR is 80-90 dB.
- What is the power-supply rejection ratio (PSRR) of the OP249GS?
The PSRR is 12-50 µV/V.
- What is the gain bandwidth product of the OP249GS?
The gain bandwidth product is 4.7 MHz.
- What is the input voltage noise density of the OP249GS?
The input voltage noise density is 17 nV/√Hz at fO = 1 kHz.
- What are the typical applications of the OP249GS?
The OP249GS is typically used in high-speed bipolar DAC and ADC applications, professional audio systems, active filters, high-speed integrators, servo systems, and buffer amplifiers.
- What is the package type of the OP249GS?
The OP249GS is available in an 8-lead SOIC package.
- Is the OP249GS RoHS compliant?
Yes, the OP249GS is RoHS compliant.
