Overview
The AD8058AR, produced by Analog Devices Inc., is a high-performance, dual-channel operational amplifier. It is part of the AD8057 and AD8058 series, known for their excellent balance between cost and performance. These amplifiers are designed for high-speed applications and offer features typically found in current feedback amplifiers but within a voltage feedback architecture. They are ideal for various applications due to their low power consumption, wide supply range, and excellent noise and distortion performance.
Key Specifications
| Parameter | Value |
|---|---|
| Series | AD8058 |
| Number of Channels | 2 Channel |
| GBP - Gain Bandwidth Product | 100 MHz |
| SR - Slew Rate | 1000 V/μs |
| Voltage Gain dB | 55 dB |
| CMRR - Common Mode Rejection Ratio | 60 dB |
| Output Current per Channel | 25.3 mA |
| Ib - Input Bias Current | 2.5 μA |
| Vos - Input Offset Voltage | 1 mV |
| Supply Voltage - Max | 12 V, +/- 6 V |
| Supply Voltage - Min | 3 V, +/- 1.5 V |
| Operating Supply Current | 15 mA |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Mounting Style | SMD/SMT |
| Amplifier Type | Voltage Feedback |
| Input Voltage Noise Density | 7 nV/√Hz |
| Power Supply Rejection Ratio (PSRR) | 59 dB |
| Settling Time | 30 ns |
Key Features
- High Speed: 325 MHz, -3 dB bandwidth (G = +1) and 1000 V/μs slew rate, making them suitable for high-speed applications.
- Low Cost: Offers high performance at a low cost, reducing the need to qualify multiple specialty amplifiers.
- Low Power: Low quiescent current, with a typical supply current of 5.4 mA per amplifier at 5V.
- Low Noise: 7 nV/√Hz input voltage noise density, suitable for high-end video systems and other noise-sensitive applications.
- Low Distortion: High distortion performance, such as -85 dBc at 5 MHz.
- Wide Supply Range: Operates from 3 V to 12 V, making it versatile for various power supply configurations.
- Compact Packaging: Available in SOIC-8, MSOP-8, and SOT-23-5 packages, suitable for space-constrained designs.
- Industrial Temperature Range: Operates from -40°C to +85°C, suitable for industrial environments.
Applications
- Video Systems: Ideal for high-end video applications due to their low noise, low distortion, and high bandwidth.
- Differential Analog-to-Digital Drivers: Suitable for driving differential analog-to-digital converters.
- Video Filters: Can be used in video filter applications requiring high frequency response and low distortion.
- Professional Cameras and Imaging: Used in photodiode preamps and other imaging applications where high speed and low noise are critical.
- Instrumentation and Buffer Amplifiers: Suitable for various instrumentation and buffer amplifier applications requiring high speed and low power consumption.
Q & A
- What is the bandwidth of the AD8058AR?
The AD8058AR has a bandwidth of 325 MHz at a gain of +1.
- What is the slew rate of the AD8058AR?
The slew rate of the AD8058AR is 1000 V/μs.
- What is the input voltage noise density of the AD8058AR?
The input voltage noise density is 7 nV/√Hz.
- What is the supply voltage range for the AD8058AR?
The AD8058AR operates from 3 V to 12 V.
- What are the typical packaging options for the AD8058AR?
The AD8058AR is available in SOIC-8 and MSOP-8 packages.
- What is the operating temperature range for the AD8058AR?
The operating temperature range is from -40°C to +85°C.
- What is the quiescent current for the AD8058AR?
The quiescent current for the AD8058AR is typically 13.5 mA to 14 mA.
- What are some common applications for the AD8058AR?
Common applications include video systems, differential analog-to-digital drivers, video filters, and professional cameras and imaging.
- Is the AD8058AR suitable for high-speed applications?
Yes, the AD8058AR is designed for high-speed applications due to its high bandwidth and slew rate.
- What is the power supply rejection ratio (PSRR) of the AD8058AR?
The PSRR of the AD8058AR is 59 dB.
