Overview
The AD8012AR, produced by Analog Devices Inc., is a dual, low power, current feedback amplifier designed for high-frequency and wide dynamic range applications. This amplifier offers a bandwidth of 350 MHz while consuming only 1.7 mA of supply current per amplifier. It is ideal for systems where low distortion, high speed, and minimal power consumption are critical. The AD8012AR features exceptional AC specifications, including a 20 ns settling time and a 2,250 V/µs slew rate, making it suitable for various high-performance applications. The device 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 | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Bandwidth (-3 dB) | - | 350 | - | MHz |
| Number of Channels | - | 2 | - | - |
| Slew Rate | - | 2,250 | - | V/µs |
| Input Bias Current | - | 12 µA | - | - |
| Input Offset Voltage | - | 1.5 mV | - | - |
| Supply Voltage (Max) | - | ±6 V | - | - |
| Supply Voltage (Min) | - | ±1.5 V | - | - |
| Operating Temperature Range | -40 | - | 85 | °C |
| Output Current per Channel | - | 125 mA | - | - |
| Voltage Noise Density | - | 2.5 nV/√Hz | - | - |
| Power Supply Rejection Ratio | - | 60 dB | - | - |
Key Features
- Current feedback amplifier architecture for high slew rate and low noise.
- Two identical circuits per package for dual-channel operation.
- High gain bandwidth product of 75 MHz.
- -3 dB bandwidth of 350 MHz.
- Slew rate of 2,250 V/µs.
- Low input bias current of 12 µA.
- Low offset voltage of 1.5 mV.
- Low voltage noise of 2.5 nV/√Hz.
- Operating temperature range of –40°C to +85°C).
Applications
- Instrumentation amplifiers.
- OP amp applications).
- Signal conditioning and buffering).
- Audio and audio-adjacent applications).
- XDSL, HDSL line drivers).
- ADC buffers).
- Professional cameras and CCD imaging systems).
- Ultrasound equipment and digital cameras).
Q & A
- What is the bandwidth of the AD8012AR amplifier?
The AD8012AR has a -3 dB bandwidth of 350 MHz).
- What is the slew rate of the AD8012AR?
The slew rate of the AD8012AR is 2,250 V/µs).
- How much current does each amplifier in the AD8012AR consume?
Each amplifier in the AD8012AR consumes 1.7 mA of supply current).
- What is the input offset voltage of the AD8012AR?
The input offset voltage of the AD8012AR is 1.5 mV).
- What are the typical operating temperature ranges for the AD8012AR?
The AD8012AR operates over the industrial temperature range of –40°C to +85°C).
- What are the common applications of the AD8012AR?
The AD8012AR is commonly used in instrumentation amplifiers, OP amp applications, signal conditioning and buffering, and various high-frequency applications).
- What is the power supply rejection ratio (PSRR) of the AD8012AR?
The PSRR of the AD8012AR is 60 dB).
- What are the package options available for the AD8012AR?
The AD8012AR is available in 8-lead SOIC and MSOP packages).
- What is the output current per channel of the AD8012AR?
The output current per channel of the AD8012AR is 125 mA).
- What is the voltage noise density of the AD8012AR?
The voltage noise density of the AD8012AR is 2.5 nV/√Hz).
