Overview
The AD9631AR-REEL7, produced by Analog Devices Inc., is a high-speed, wide bandwidth operational amplifier. It is part of the AD9631/AD9632 series, which combines the best characteristics of both current feedback and voltage feedback amplifiers. The AD9631 is specifically designed to be unity gain stable, making it highly versatile for various applications. This amplifier features exceptionally fast settling times, wide bandwidth, and ultralow distortion, making it ideal for high-performance applications such as driving flash and high-resolution ADCs, as well as in professional video and baseband communications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Small Signal Bandwidth | 320 | MHz |
| Large Signal Bandwidth | 175 | MHz |
| Slew Rate | 1300 | V/μs |
| Settling Time to 0.01% (2 V step) | 16 | ns |
| Supply Voltage Range | ±3.0 to ±6.0 | V |
| Quiescent Current | 17 | mA |
| Input Resistance | 500 | kΩ |
| Input Capacitance | 1.2 | pF |
| Output Voltage Range (RL = 150 Ω) | ±3.2 to ±3.9 | V |
| Output Current | 70 | mA |
| Operating Temperature Range | −40°C to +85°C |
Key Features
- Exceptionally fast and accurate pulse response with a settling time of 16 ns to 0.01% for a 2 V step.
- Wide small signal and large signal bandwidths of 320 MHz and 175 MHz, respectively.
- Ultralow distortion with harmonic distortion as low as −72 dBc at 20 MHz.
- High slew rate of 1300 V/μs.
- Operates over a wide supply voltage range of ±3.0 to ±6.0 V.
- High impedance balanced inputs suitable for designing active filters.
- Available in PDIP and SOIC packages.
Applications
- ADC input drivers and differential amplifiers.
- IF/RF amplifiers and pulse amplifiers.
- Professional video and baseband communications.
- DAC current to voltage conversion.
- Active filters, integrators, and log amps.
- Pin diode receivers.
Q & A
- What is the typical small signal bandwidth of the AD9631?
The typical small signal bandwidth of the AD9631 is 320 MHz. - What is the settling time of the AD9631 to 0.01% for a 2 V step?
The settling time of the AD9631 to 0.01% for a 2 V step is 16 ns. - What is the slew rate of the AD9631?
The slew rate of the AD9631 is 1300 V/μs. - What is the operating temperature range of the AD9631?
The operating temperature range of the AD9631 is −40°C to +85°C. - What are the typical harmonic distortion values for the AD9631 at 20 MHz?
The typical harmonic distortion values for the AD9631 at 20 MHz are −72 dBc for the second harmonic and −81 dBc for the third harmonic. - What are the common applications of the AD9631?
The AD9631 is commonly used in ADC input drivers, IF/RF amplifiers, professional video, baseband communications, and active filters. - What package types are available for the AD9631?
The AD9631 is available in PDIP and SOIC packages. - What is the quiescent current of the AD9631?
The quiescent current of the AD9631 is typically 17 mA. - What is the input resistance of the AD9631?
The input resistance of the AD9631 is 500 kΩ. - What is the output voltage range of the AD9631 with a load resistance of 150 Ω?
The output voltage range of the AD9631 with a load resistance of 150 Ω is ±3.2 to ±3.9 V.
