Overview
The AD8045ARDZ-REEL, produced by Analog Devices Inc., is a unity-gain stable voltage feedback amplifier known for its ultralow distortion, low noise, and high slew rate. This amplifier is designed using Analog Devices' proprietary next-generation XFCB process and innovative architecture, which enables high-performance characteristics. It features a 1 GHz bandwidth, a 1350 V/µs slew rate, and settles to 0.1% in 7.5 ns, making it ideal for systems requiring high dynamic range, precision, and high speed.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Bandwidth (–3 dB, G = +1, VOUT = 0.2 V p-p) | - | 900 | - | MHz |
| Slew Rate (G = +1, VOUT = 2 V step) | 480 | 1060 | - | V/µs |
| Settling Time to 0.1% (G = +2, VOUT = 2 V step) | - | 10 | - | ns |
| Input Common-Mode Voltage Range | 1.2 | - | 3.8 | V |
| Output Voltage Swing (RL = 1 kΩ) | -3.8 | - | +3.8 | V |
| Output Current | - | 55 | - | mA |
| Supply Voltage Range | 3.3 | - | 12 | V |
| Quiescent Current | 15 | 18 | - | mA |
| Operating Temperature Range | -40 | - | +125 | °C |
Key Features
- Ultralow distortion with a spurious-free dynamic range of −90 dBc at 20 MHz.
- Low noise of 3 nV/√Hz.
- High slew rate of 1350 V/µs.
- Fast settling time to 0.1% in 7.5 ns.
- Wide supply voltage range from 3.3 V to 12 V.
- Low offset voltage of 200 µV.
- Available in 3 mm × 3 mm LFCSP and 8-lead SOIC packages with exposed paddle for efficient heat transfer.
- Operates over an extended industrial temperature range (−40°C to +125°C).
Applications
- Ultrasound systems.
- Automated test equipment (ATE).
- Active filters.
- Analog-to-digital converter (ADC) drivers.
- Digital-to-analog converter (DAC) buffers.
- Instrumentation and IF/baseband amplifiers.
Q & A
- What is the bandwidth of the AD8045 amplifier?
The AD8045 has a bandwidth of 900 MHz at a gain of +1 and an output voltage of 0.2 V p-p.
- What is the slew rate of the AD8045?
The slew rate of the AD8045 is 1350 V/µs at a gain of +1 and an output voltage step of 2 V.
- How quickly does the AD8045 settle to 0.1%?
The AD8045 settles to 0.1% in 7.5 ns at a gain of +2 and an output voltage step of 2 V.
- What is the input common-mode voltage range of the AD8045?
The input common-mode voltage range is from 1.2 V to 3.8 V.
- What are the available package options for the AD8045?
The AD8045 is available in a 3 mm × 3 mm LFCSP and an 8-lead SOIC package, both with an exposed paddle for heat transfer.
- What is the operating temperature range of the AD8045?
The AD8045 operates over an extended industrial temperature range from −40°C to +125°C.
- What are some typical applications of the AD8045?
The AD8045 is typically used in ultrasound systems, automated test equipment (ATE), active filters, ADC drivers, and DAC buffers.
- What is the noise level of the AD8045?
The AD8045 has a low noise level of 3 nV/√Hz.
- What is the supply voltage range for the AD8045?
The supply voltage range for the AD8045 is from 3.3 V to 12 V.
- What is the quiescent current of the AD8045?
The quiescent current of the AD8045 is typically 15 mA to 18 mA.
- How does the exposed paddle in the AD8045 packages improve performance?
The exposed paddle provides a low thermal resistance path to the PCB, enabling more efficient heat transfer and increasing reliability.
