Overview
The AD8055ANZ, produced by Analog Devices Inc., is a single, low-cost, 300 MHz voltage feedback amplifier. It offers high performance characteristics typically found in current feedback amplifiers, such as wide bandwidth and high slew rates, but with the ease of use and cost-effectiveness of voltage feedback amplifiers. This amplifier is suitable for a variety of high-speed applications, including video processing, imaging, and portable electronics, due to its low power consumption and compact packaging options.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| −3 dB Bandwidth (G = +1, VO = 0.1 V p-p) | 220 | 300 | MHz | |
| −3 dB Bandwidth (G = +2, VO = 0.1 V p-p) | 120 | 160 | MHz | |
| Bandwidth for 0.1 dB Flatness (VO = 100 mV p-p) | 25 | 40 | MHz | |
| Slew Rate (G = +1, VO = 4 V step) | 1000 | 1400 | V/μs | |
| Slew Rate (G = +2, VO = 4 V step) | 750 | 840 | V/μs | |
| Settling Time to 0.1% (G = +1, VO = 2 V step) | 20 | ns | ||
| Input Offset Voltage | 3 | 5 | 10 | mV |
| Input Bias Current | 0.4 | 1.2 | 1 | μA |
| Output Voltage Swing (RL = 150 Ω) | 2.9 | 3.1 | ±V | |
| Output Current (VO = ±2.0 V) | 55 | 60 | mA | |
| Quiescent Current per Amplifier | 5.4 | 6.5 | mA | |
| Operating Temperature Range | −40 | +125 | °C | |
| Power Supply Range | ±4.0 | ±5.0 | ±6.0 | V |
Key Features
- High bandwidth of up to 300 MHz and slew rate of up to 1400 V/μs, making it suitable for high-speed applications.
- Low differential gain and phase error: 0.01% and 0.02° into a 150 Ω load, and 0.02% and 0.1° while driving four video loads.
- Low power consumption: 5 mA typical supply current per amplifier.
- High output drive capability: over 60 mA of load current.
- Compact packaging options: 8-lead PDIP, 8-lead SOIC, and 5-lead SOT-23.
- Extended temperature range: −40°C to +125°C.
- Low cost and easy to use.
Applications
- Video line drivers and video switchers.
- Differential line drivers.
- Imaging and photodiode preamps.
- Professional cameras.
- Active filters and A-to-D drivers.
- Portable and battery-powered electronics where size and power are critical.
Q & A
- What is the typical bandwidth of the AD8055 amplifier?
The typical bandwidth of the AD8055 amplifier is up to 300 MHz for a gain of +1 and up to 160 MHz for a gain of +2.
- What is the slew rate of the AD8055?
The slew rate of the AD8055 is typically up to 1400 V/μs for a gain of +1 and up to 840 V/μs for a gain of +2.
- What are the differential gain and phase errors of the AD8055?
The differential gain error is 0.01% and the differential phase error is 0.02° into a 150 Ω load. For four video loads, the differential gain error is 0.02% and the differential phase error is 0.1°.
- What is the quiescent current of the AD8055?
The quiescent current of the AD8055 is typically 5 mA per amplifier.
- What are the available packaging options for the AD8055?
The AD8055 is available in 8-lead PDIP, 8-lead SOIC, and 5-lead SOT-23 packages.
- What is the operating temperature range of the AD8055?
The operating temperature range of the AD8055 is −40°C to +125°C.
- What are some common applications of the AD8055?
The AD8055 is commonly used in video line drivers, differential line drivers, imaging and photodiode preamps, professional cameras, and other high-speed applications.
- How much output current can the AD8055 deliver?
The AD8055 can deliver over 60 mA of load current.
- What is the input offset voltage of the AD8055?
The input offset voltage of the AD8055 is typically 5 mV and can range up to 10 mV over the temperature range.
- What is the power supply range for the AD8055?
The AD8055 can operate on a dual ±5 V or a single +12 V power supply.
- Is the AD8055 suitable for battery-powered devices?
Yes, the AD8055 is suitable for battery-powered devices due to its low power consumption and compact packaging.
