Overview
The OP249GPZ, produced by Analog Devices Inc., is a high-speed, precision dual JFET operational amplifier. It is designed to outperform available dual amplifiers in various high-speed and precision applications. The OP249GPZ is notable for its fast slew rate of 22 V/µs and a settling time of less than 1.2 µs to 0.01%, making it ideal for high-speed bipolar DAC and ADC applications, as well as professional audio and other demanding environments.
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 | 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 |
| Slew Rate | 22 | V/µs | ||||
| Settling Time (0.01%) | < 1.2 | µs |
Key Features
- High-Speed Performance: The OP249GPZ boasts a fast slew rate of 22 V/µs and a settling time of less than 1.2 µs to 0.01%, making it suitable for high-speed applications.
- Precision and Accuracy: It offers excellent dc performance with low offset voltage and high open-loop gain, ensuring high accuracy in high closed-loop gain applications.
- Low Distortion and Noise: The amplifier features ultralow distortion and low noise, making it ideal for professional audio applications and other sensitive circuits.
- Robust Output Drive: It can drive large loads such as 600 Ω or 200 pF of capacitance with symmetrical slew rates, enhancing its versatility in various applications.
- High Common-Mode Rejection Ratio (CMRR): With a CMRR of up to 90 dB, the OP249GPZ provides excellent rejection of common-mode signals, ensuring high signal integrity.
Applications
- High-Speed Bipolar DAC and ADC Applications: The OP249GPZ is particularly suited for high-speed data conversion applications due to its fast settling time and high slew rate.
- Professional Audio: Its low distortion and high precision make it an excellent choice for professional audio equipment and active filters.
- Active Filters and Integrators: The amplifier's high speed and precision characteristics are beneficial in active filter and integrator circuits.
- Servo Systems and Buffer Amplifiers: It is also used in servo systems and as buffer amplifiers due to its robust output drive and low noise characteristics.
Q & A
- What is the slew rate of the OP249GPZ?
The slew rate of the OP249GPZ is 22 V/µs typical.
- What is the settling time of the OP249GPZ to 0.01% accuracy?
The settling time is less than 1.2 µs to 0.01% accuracy.
- What is the typical offset voltage of the OP249GPZ?
The typical offset voltage is 0.75 mV.
- What is the input bias current of the OP249GPZ?
The input bias current is typically 75 pA.
- What is the common-mode rejection ratio (CMRR) of the OP249GPZ?
The CMRR is up to 90 dB.
- Can the OP249GPZ drive large loads?
Yes, it can drive large loads such as 600 Ω or 200 pF of capacitance with symmetrical slew rates.
- What are some typical applications of the OP249GPZ?
Typical applications include high-speed bipolar DAC and ADC applications, professional audio, active filters, servo systems, and buffer amplifiers.
- Is the OP249GPZ RoHS compliant?
Yes, the OP249GPZ is RoHS compliant.
- What is the voltage supply range for the OP249GPZ?
The voltage supply range is ±4.5 V to ±18 V.
- How does the OP249GPZ perform in terms of noise?
The OP249GPZ features low noise, with a current noise density of 0.003 pA/√Hz at 1 kHz.
