Overview
The AD9631ARZ, produced by Analog Devices Inc., is a high-speed and wide bandwidth operational amplifier. This device is part of the AD9631/AD9632 series, with the AD9631 being unity gain stable and the AD9632 stable at gains of 2 or greater. The AD9631ARZ utilizes a voltage feedback architecture, combining the best characteristics of both current feedback and voltage feedback amplifiers. This results in exceptionally fast and accurate pulse response, wide small and large signal bandwidths, and ultralow distortion, making it ideal for various high-performance applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Small Signal Bandwidth (G = +1) | 320 | MHz | ||
| Large Signal Bandwidth (4 V p-p) | 175 | MHz | ||
| Distortion (SFDR) at 20 MHz | -72 | dBc | ||
| Slew Rate | 1300 | V/μs | ||
| Settling Time to 0.01% (2 V step) | 16 | ns | ||
| Supply Voltage Range | ±3.0 | ±5.0 | ±6.0 | V |
| Quiescent Current | 16 | 17 | 18 | mA |
| Operating Temperature Range | -40 | +85 | °C | |
| Package Type | 8-Lead SOIC |
Key Features
- Unity gain stable for the AD9631, and stable at gains of 2 or greater for the AD9632.
- Exceptionally fast and accurate pulse response with a settling time of 16 ns to 0.01% for a 2 V step.
- Wide small signal bandwidth of 320 MHz and large signal bandwidth of 175 MHz.
- Ultralow distortion with a Spurious Free Dynamic Range (SFDR) of -72 dBc at 20 MHz.
- High slew rate of 1300 V/μs.
- Operates over a supply voltage range of ±3.0 V to ±6.0 V.
- Low noise with a spectral noise density of 7.0 nV/√Hz.
- High impedance balanced inputs suitable for designing active filters.
Applications
- ADC input drivers.
- Differential amplifiers.
- IF/RF amplifiers.
- Pulse amplifiers.
- Professional video and DAC current to voltage conversion.
- Baseband and video communications.
- Pin diode receivers.
- Active filters, integrators, and log amps.
Q & A
- What is the small signal bandwidth of the AD9631ARZ?
The small signal bandwidth of the AD9631ARZ is 320 MHz.
- What is the large signal bandwidth of the AD9631ARZ?
The large signal bandwidth of the AD9631ARZ is 175 MHz for a 4 V p-p signal.
- What is the distortion performance of the AD9631ARZ at 20 MHz?
The AD9631ARZ achieves a Spurious Free Dynamic Range (SFDR) of -72 dBc at 20 MHz.
- What is the slew rate of the AD9631ARZ?
The slew rate of the AD9631ARZ is 1300 V/μs.
- What is the settling time of the AD9631ARZ to 0.01% for a 2 V step?
The settling time of the AD9631ARZ to 0.01% for a 2 V step is 16 ns.
- What is the operating temperature range of the AD9631ARZ?
The operating temperature range of the AD9631ARZ is -40°C to +85°C.
- What package types are available for the AD9631ARZ?
The AD9631ARZ is available in 8-Lead SOIC packages.
- What are some common applications of the AD9631ARZ?
Common applications include ADC input drivers, differential amplifiers, IF/RF amplifiers, pulse amplifiers, and professional video and DAC current to voltage conversion.
- What is the quiescent current of the AD9631ARZ?
The quiescent current of the AD9631ARZ is typically 17 mA.
- What is the spectral noise density of the AD9631ARZ?
The spectral noise density of the AD9631ARZ is 7.0 nV/√Hz.
