Overview
The AD843AQ, produced by Analog Devices Inc., is a high-performance operational amplifier designed for applications requiring fast settling times and low input bias currents. This CBFET (Complementary Bipolar Field-Effect Transistor) input op amp is characterized by its 34 MHz bandwidth, making it suitable for high-speed signal processing.
Key Specifications
| Parameter | Value |
|---|---|
| Bandwidth | 34 MHz |
| Input Bias Current | 0.6 nA |
| Slew Rate | Not specified, but typical for CBFET op amps |
| Settling Time | Fast settling, exact time not specified in available sources |
| Supply Voltage | Typically ±5 V to ±15 V, but exact range not specified in available sources |
| Operating Temperature | Typically -40°C to +85°C, but exact range not specified in available sources |
| Package Types | Variety of packages including SOIC, MSOP, and LFCSP, though specific for AD843AQ not detailed in sources |
Key Features
- High bandwidth of 34 MHz, suitable for high-speed applications.
- Low input bias current of 0.6 nA, characteristic of FET input amplifiers.
- Fast settling time, although the exact time is not specified in the available sources.
- CBFET input stage providing a balance between the benefits of bipolar and FET inputs.
- Typically used in applications requiring high accuracy and speed.
Applications
- High-speed data acquisition systems.
- Video and audio signal processing.
- Medical instrumentation requiring fast and accurate signal amplification.
- Test and measurement equipment.
- High-frequency signal conditioning.
Q & A
- What is the bandwidth of the AD843AQ? The bandwidth of the AD843AQ is 34 MHz.
- What is the input bias current of the AD843AQ? The input bias current is 0.6 nA.
- What type of input stage does the AD843AQ use? The AD843AQ uses a CBFET input stage.
- What are typical applications for the AD843AQ? Typical applications include high-speed data acquisition, video and audio signal processing, medical instrumentation, and test and measurement equipment.
- What is the slew rate of the AD843AQ? The exact slew rate is not specified in the available sources, but it is typical for CBFET op amps to have a high slew rate.
- What are the common package types for the AD843AQ? The AD843AQ is available in various packages such as SOIC, MSOP, and LFCSP, though specific details for AD843AQ are not provided in the sources.
- What is the operating temperature range for the AD843AQ? The operating temperature range is typically -40°C to +85°C, but exact details are not specified in the available sources.
- How does the AD843AQ handle high-frequency common-mode noise? While specific details for AD843AQ are not provided, CBFET op amps generally offer good performance in handling high-frequency common-mode noise due to their input stage design.
- Is the AD843AQ suitable for low-power applications? The AD843AQ is not specifically highlighted as a low-power device, but its power consumption is generally moderate compared to other high-speed op amps.
- Can the AD843AQ be used in medical instrumentation? Yes, the AD843AQ can be used in medical instrumentation due to its high accuracy and fast signal processing capabilities.
