Overview
The AD8057ARTZ-REEL7 is a high-performance, single-channel operational amplifier produced by Analog Devices Inc. This voltage feedback amplifier is known for its high speed, low power consumption, and wide supply range, making it an ideal choice for various high-end applications. The AD8057 offers a balance between cost and performance, reducing the need to qualify multiple specialty amplifiers. It is available in both 8-lead SOIC and 5-lead SOT-23 packages, operating over an industrial temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Bandwidth (G = +1) | - | 325 | - | MHz |
| Slew Rate | - | 1000 | - | V/μs |
| Supply Voltage Range | 3 | - | 12 | V |
| Quiescent Current per Amplifier | 5.4 | - | - | mA |
| Input Resistance | - | 10 | - | MΩ |
| Input Capacitance (+Input) | - | 2 | - | pF |
| Common-Mode Voltage Range | -4.0 | - | +4.0 | V |
| Output Voltage Swing (RL = 2 kΩ) | -4.0 | - | +4.0 | V |
| Power Supply Rejection Ratio (VS = ±5 V to ±1.5 V) | 54 | - | 59 | dB |
Key Features
- High speed with a 325 MHz bandwidth and 1000 V/μs slew rate, typically found in current feedback amplifiers.
- Low power consumption with a typical quiescent current of 5.4 mA per amplifier.
- Wide supply range from 3 V to 12 V, making it versatile for various applications.
- Low distortion and noise performance, suitable for high-end video systems.
- Available in compact packages including 8-lead SOIC and 5-lead SOT-23, suitable for space-constrained designs.
Applications
- Imaging and professional cameras: Due to its high speed and low distortion, it is ideal for applications requiring high-quality video signals.
- DVD/CD players: Used in analog video functions and as a preamplifier for photodiodes.
- Analog-to-digital drivers: Suitable for driving capacitive loads and in differential analog-to-digital driver configurations.
- Video filters: Can be used in low-pass, high-pass, and band-pass filter circuits.
Q & A
- What is the bandwidth of the AD8057? The AD8057 has a bandwidth of 325 MHz at a gain of +1.
- What is the slew rate of the AD8057? The slew rate of the AD8057 is 1000 V/μs.
- What is the supply voltage range for the AD8057? The supply voltage range for the AD8057 is from 3 V to 12 V.
- What is the typical quiescent current per amplifier for the AD8057? The typical quiescent current per amplifier is 5.4 mA.
- In what packages is the AD8057 available? The AD8057 is available in 8-lead SOIC and 5-lead SOT-23 packages.
- What are some common applications of the AD8057? Common applications include imaging, professional cameras, DVD/CD players, analog-to-digital drivers, and video filters.
- What is the input resistance of the AD8057? The input resistance of the AD8057 is typically 10 MΩ.
- What is the output voltage swing of the AD8057 at a load resistance of 2 kΩ? The output voltage swing is typically ±4.0 V at a load resistance of 2 kΩ.
- How does the AD8057 perform in terms of distortion? The AD8057 has low distortion, with -85 dBc at 5 MHz and RL = 1 kΩ.
- What is the power supply rejection ratio of the AD8057? The power supply rejection ratio is between 54 dB and 59 dB for supply voltages from ±5 V to ±1.5 V).
