Overview
The AD8012ARZ is a dual, low power, current feedback amplifier designed by Analog Devices Inc. This amplifier is notable for its high frequency capabilities, providing a bandwidth of 350 MHz while consuming only 1.7 mA of supply current per amplifier. It is ideal for high frequency, wide dynamic range systems where low distortion and high speed are critical, and power efficiency is essential.
The AD8012ARZ features exceptional AC specifications, including a slew rate of 2,250 V/µs and a settling time of 20 ns to 0.1%. It also boasts excellent video specifications, such as 0.02% differential gain error and 0.06° differential phase error. The amplifier is available in standard 8-lead SOIC and MSOP packages and operates over the industrial temperature range of –40°C to +85°C.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Bandwidth | 350 | MHz |
| Slew Rate | 2,250 | V/µs |
| Settling Time to 0.1% | 20 | ns |
| Differential Gain Error | 0.02% | % |
| Differential Phase Error | 0.06° | ° |
| Gain Flatness | 0.1 dB to 40 MHz | dB |
| Overdrive Recovery | 60 | ns |
| Input Offset Voltage | 1.5 | mV |
| Voltage Noise | 2.5 | nV/√Hz |
| Supply Current per Amplifier | 1.7 | mA |
| Output Current | 125 | mA |
| Operating Temperature Range | –40°C to +85°C | °C |
| Supply Voltage Range | ±1.5 V to ±6 V | V |
Key Features
- High bandwidth of 350 MHz and high slew rate of 2,250 V/µs, making it suitable for high-frequency applications.
- Low power consumption of 1.7 mA per amplifier, ideal for power-critical systems.
- Excellent video specifications with 0.02% differential gain error and 0.06° differential phase error.
- Low input offset voltage of 1.5 mV and low voltage noise of 2.5 nV/√Hz.
- Fast settling time of 20 ns to 0.1% and overdrive recovery of 60 ns.
- Available in 8-lead SOIC and MSOP packages.
- Operates over the industrial temperature range of –40°C to +85°C.
Applications
- XDSL and HDSL line drivers.
- ADC buffers.
- Professional cameras and CCD imaging systems.
- Ultrasound equipment.
- Digital cameras.
Q & A
- What is the bandwidth of the AD8012ARZ amplifier?
The AD8012ARZ has a bandwidth of 350 MHz.
- What is the typical slew rate of the AD8012ARZ?
The slew rate is 2,250 V/µs.
- How long does the AD8012ARZ take to settle to 0.1%?
The settling time to 0.1% is 20 ns.
- What are the differential gain and phase errors of the AD8012ARZ?
The differential gain error is 0.02%, and the differential phase error is 0.06°.
- What is the input offset voltage of the AD8012ARZ?
The input offset voltage is 1.5 mV.
- What is the voltage noise of the AD8012ARZ?
The voltage noise is 2.5 nV/√Hz.
- How much current does each amplifier in the AD8012ARZ consume?
Each amplifier consumes 1.7 mA of supply current.
- What is the operating temperature range of the AD8012ARZ?
The operating temperature range is –40°C to +85°C.
- In what packages is the AD8012ARZ available?
The AD8012ARZ is available in 8-lead SOIC and MSOP packages.
- What are some common applications of the AD8012ARZ?
Common applications include XDSL and HDSL line drivers, ADC buffers, professional cameras, CCD imaging systems, ultrasound equipment, and digital cameras.
