Overview
The AD8037AR-REEL, produced by Analog Devices Inc., is a low distortion, wide bandwidth voltage feedback clamp amplifier. This device is part of the AD8036 and AD8037 series, known for their exceptional clamping characteristics and high-speed performance. The AD8037 is specifically stable at a gain of two or greater, making it suitable for a variety of high-frequency applications. It features Analog Devices' patented CLAMPIN™ input clamp architecture, which significantly improves clamp performance compared to traditional amplifiers.
Key Specifications
| Parameter | Value |
|---|---|
| Small Signal Bandwidth | 270 MHz (G = +2) |
| Large Signal Bandwidth (4 V p-p) | 190 MHz (G = +2) |
| Clamp Input Bandwidth | 240 MHz |
| Clamp Input Range | ±3.9 V |
| Input Voltage Noise | 4.5 nV/√Hz |
| Slew Rate | 1500 V/μs |
| Settling Time (0.1% and 0.01%) | 10 ns and 16 ns respectively |
| Supply Voltage Range | ±3 V to ±5 V |
| Quiescent Current | 20.5 mA to 21.5 mA |
| Output Current | 70 mA |
| Output Resistance | 0.3 Ω |
| Short Circuit Current | 240 mA |
Key Features
- Superb Clamping Characteristics: 3 mV clamp error, 1.5 ns overdrive recovery, and minimized nonlinear clamping region.
- Low Distortion and Noise: Ultralow distortion, –72 dBc typ @ 20 MHz, and low input voltage noise of 4.5 nV/√Hz.
- High Speed Performance: High slew rate of 1500 V/μs and fast settling times of 10 ns to 0.1% and 16 ns to 0.01%.
- Good DC Characteristics: Low offset voltage of 2 mV and low drift of 10 μV/°C.
- Wide Supply Voltage Range: Operates from ±3 V to ±5 V.
Applications
- ADC Buffer: Ideal for buffering analog-to-digital converter inputs due to its low distortion and high bandwidth.
- IF/RF Signal Processing: Suitable for intermediate frequency and radio frequency signal processing applications.
- High Quality Imaging and Broadcast Video Systems: Used in high-quality imaging and broadcast video systems where low distortion and high bandwidth are critical.
- Video Amplifier and Full Wave Rectifier: Can be used as a video amplifier and full wave rectifier due to its clamping capabilities.
Q & A
- What is the small signal bandwidth of the AD8037?
The small signal bandwidth of the AD8037 is 270 MHz at a gain of +2.
- What is the clamp input bandwidth of the AD8037?
The clamp input bandwidth of the AD8037 is 240 MHz.
- What is the slew rate of the AD8037?
The slew rate of the AD8037 is 1500 V/μs.
- What is the supply voltage range for the AD8037?
The AD8037 operates from a supply voltage range of ±3 V to ±5 V.
- What are the typical applications of the AD8037?
The AD8037 is typically used in ADC buffering, IF/RF signal processing, high-quality imaging, broadcast video systems, and as a video amplifier or full wave rectifier.
- What is the input voltage noise of the AD8037?
The input voltage noise of the AD8037 is 4.5 nV/√Hz.
- How does the AD8037 handle overdrive recovery?
The AD8037 has a fast overdrive recovery time of 1.5 ns.
- What is the output current capability of the AD8037?
The AD8037 can deliver an output current of up to 70 mA.
- What is the typical distortion performance of the AD8037?
The AD8037 has an ultralow distortion of –72 dBc typ @ 20 MHz.
- What are the package options available for the AD8037?
The AD8037 is available in 8-lead plastic DIP, Cerdip, and SO packages..
