Overview
The AD8014ART-REEL7 from Analog Devices Inc. is a high-performance current feedback operational amplifier. It is designed to achieve exceptional levels of combined bandwidth, power, output drive, and low distortion. This amplifier is particularly suited for applications requiring high speed, low power consumption, and stable operation. The AD8014 uses a proprietary circuit architecture to deliver superior performance at a low cost, making it ideal for consumer electronics and battery-operated equipment.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| -3 dB Bandwidth (Small Signal, G = +1, VO = 0.2 V p-p, RL = 1 kΩ) | 345 | 430 | MHz | |
| Slew Rate | 4000 | V/μs | ||
| Settling Time (0.1% to 0.01% of Final Value) | 24 | ns | ||
| Input Offset Voltage | 2 | 6 | mV | |
| Input Offset Voltage Drift | 10 | μV/°C | ||
| Input Bias Current (+Input or –Input) | 5 | 15 | μA | |
| Input Resistance (+Input) | 450 | kΩ | ||
| Common-Mode Rejection Ratio (VCM = ±2.5 V) | -52 | -57 | dB | |
| Output Voltage Swing (RL = 150 Ω) | ±3.4 | ±3.8 | V | |
| Output Current (VO = ±2.0 V) | 40 | 50 | mA | |
| Short Circuit Current | 70 | mA | ||
| Power Supply Operating Range | ±2.25 | ±6.0 | V | |
| Quiescent Current | 1.15 | 1.3 | mA | |
| Power Supply Rejection Ratio (±4 V to ±6 V) | -55 | -58 | dB |
Key Features
- High speed operation with a -3 dB bandwidth of up to 430 MHz and a slew rate of 4000 V/μs.
- Low distortion, with a total harmonic distortion (THD) of -70 dB at 5 MHz.
- Low voltage and current noise.
- Fast overload recovery and stable operation.
- Low input offset voltage and drift.
- High common-mode rejection ratio (CMRR) of up to -57 dB.
- Capable of driving capacitive loads with minimal overshoot.
- Available in SOIC-8 and SOT-23-5 packages, suitable for surface mount applications.
Applications
- Photo-diode preamplifiers.
- Professional and portable cameras.
- Handheld instruments.
- DVD/CD players.
- Analog-to-digital (A-to-D) drivers.
- Any power-sensitive high-speed system.
- Battery-operated equipment.
Q & A
- What is the typical -3 dB bandwidth of the AD8014?
The typical -3 dB bandwidth of the AD8014 is 430 MHz for small signal operation with a gain of +1 and an output voltage of 0.2 V p-p into a 1 kΩ load.
- What is the slew rate of the AD8014?
The slew rate of the AD8014 is 4000 V/μs.
- What is the settling time of the AD8014?
The settling time of the AD8014 is 24 ns to 0.1% to 0.01% of the final value.
- What is the input offset voltage of the AD8014?
The input offset voltage of the AD8014 is typically 2 mV and can be up to 6 mV over the temperature range.
- What is the common-mode rejection ratio (CMRR) of the AD8014?
The CMRR of the AD8014 is up to -57 dB for VCM = ±2.5 V.
- What are the available package types for the AD8014?
The AD8014 is available in SOIC-8 and SOT-23-5 packages.
- What is the power supply operating range of the AD8014?
The power supply operating range of the AD8014 is ±2.25 V to ±6.0 V.
- What is the quiescent current of the AD8014?
The quiescent current of the AD8014 is typically 1.15 mA and can be up to 1.3 mA.
- What are some typical applications of the AD8014?
The AD8014 is used in photo-diode preamplifiers, professional and portable cameras, handheld instruments, DVD/CD players, A-to-D drivers, and any power-sensitive high-speed system.
- Is the AD8014 suitable for battery-operated equipment?
Yes, the AD8014 is suitable for battery-operated equipment due to its low power consumption and high performance.
