Overview
The AD8047AR, produced by Analog Devices Inc., is a high-speed, general-purpose voltage feedback operational amplifier. This device is part of the AD8047 series, which is known for its unity gain stability and wide bandwidth capabilities. The AD8047 combines the best characteristics of both current feedback and voltage feedback amplifiers, making it suitable for a variety of high-speed applications. It operates with a low power consumption of 6.6 mA maximum and is available in 8-lead PDIP and SOIC packages, ensuring flexibility in design and implementation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Bandwidth | 250 MHz | - |
| Supply Voltage | ±3 V to ±6 V | V |
| Input Offset Voltage | 1 mV | mV |
| Input Bias Current | 1 µA | µA |
| Slew Rate | 750 V/µs | V/µs |
| Settling Time (0.01%) | 30 ns | ns |
| Operating Temperature | -40°C to +85°C | °C |
| Package Type | 8-lead SOIC | - |
| Maximum Quiescent Current | 6.6 mA | mA |
| Maximum Output Current | 50 mA | mA |
Key Features
- High-speed operation with 250 MHz bandwidth and 750 V/µs slew rate.
- Unity gain stable, making it versatile for various applications.
- Low distortion, achieving -54 dBc at 20 MHz, and wide small and large signal bandwidths.
- Fast settling time of 30 ns to 0.01% and 13 ns to 0.1%.
- Low power consumption of 6.6 mA maximum.
- Available in 8-lead PDIP and SOIC packages.
- Operates over an industrial temperature range of -40°C to +85°C.
- Lead-free and RoHS compliant.
Applications
- Buffering high-speed ADCs, such as 12-bit/10 MSPS or 8-bit/60 MSPS ADCs.
- Active filters and integrators.
- Photodetectors and log amplifiers.
- DAC current to voltage conversion.
- Baseband and video communications.
Q & A
- What is the bandwidth of the AD8047AR?
The AD8047AR has a bandwidth of 250 MHz.
- What is the slew rate of the AD8047AR?
The slew rate of the AD8047AR is 750 V/µs.
- What are the typical supply voltages for the AD8047AR?
The AD8047AR operates with supply voltages ranging from ±3 V to ±6 V.
- What is the input offset voltage of the AD8047AR?
The input offset voltage of the AD8047AR is typically 1 mV.
- What is the settling time of the AD8047AR to 0.01% accuracy?
The settling time of the AD8047AR to 0.01% accuracy is 30 ns.
- What are the typical operating temperatures for the AD8047AR?
The AD8047AR operates over an industrial temperature range of -40°C to +85°C.
- Is the AD8047AR RoHS compliant?
Yes, the AD8047AR is lead-free and RoHS compliant.
- What are some common applications of the AD8047AR?
The AD8047AR is commonly used in buffering high-speed ADCs, active filters, photodetectors, and DAC current to voltage conversion.
- What package types are available for the AD8047AR?
The AD8047AR is available in 8-lead PDIP and SOIC packages.
- What is the maximum quiescent current of the AD8047AR?
The maximum quiescent current of the AD8047AR is 6.6 mA.
