Overview
The AD834AR, produced by Analog Devices Inc., is a monolithic, laser-trimmed four-quadrant analog multiplier. This component is designed for high-frequency applications, offering a wide range of operational capabilities. It features differential inputs and outputs, making it versatile for various nonlinear operations. The AD834AR operates from DC to frequencies exceeding 500 MHz, making it suitable for high-speed applications such as analog division, vector addition, and rms-to-dc conversion.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltages | ±4 | - | ±9 | V |
| Quiescent Current (+VS) | 11 | 14 | - | mA |
| Quiescent Current (-VS) | 28 | 35 | - | mA |
| Input Full Scale | - | ±1 | - | V |
| Output Full Scale | - | ±4 | - | mA |
| Bandwidth | - | >500 | - | MHz |
| Distortion | - | ≤0.05% | - | - |
| Package | - | 8-SOIC | - | - |
Key Features
- High static accuracy with low input and output offsets and accurate scale factor.
- Very high bandwidth, extending from DC to over 500 MHz.
- Low distortion levels (better than −60 dB on either input) at high frequencies.
- Low signal feedthrough (typically −65 dB up to 20 MHz).
- Low differential phase error over the input range.
- Nonloading, high impedance, differential inputs.
- Low power consumption (280 mW typical at VS = ±5 V).
Applications
The AD834AR is used in various high-speed nonlinear operations such as:
- Square rooting and analog division.
- Vector addition and rms-to-dc conversion.
- High-frequency signal processing and modulation.
- Military and industrial applications requiring high accuracy and bandwidth.
Q & A
- What is the AD834AR used for? The AD834AR is a four-quadrant analog multiplier used in high-frequency applications such as analog division, vector addition, and rms-to-dc conversion.
- What is the bandwidth of the AD834AR? The AD834AR operates from DC to frequencies exceeding 500 MHz.
- What are the supply voltage ranges for the AD834AR? The supply voltages range from ±4 V to ±9 V.
- What is the typical quiescent current for the AD834AR? The typical quiescent current is 14 mA for +VS and 35 mA for -VS.
- What is the input full-scale range for the AD834AR? The input full-scale range is ±1 V.
- What is the output full-scale range for the AD834AR? The output full-scale range is ±4 mA.
- Is the AD834AR RoHS compliant? Yes, the AD834AR is RoHS compliant.
- What package type is the AD834AR available in? The AD834AR is available in an 8-SOIC package.
- What are the key features of the AD834AR? Key features include high static accuracy, very high bandwidth, low distortion, and low signal feedthrough.
- What are some common applications of the AD834AR? Common applications include high-frequency signal processing, military and industrial applications, and nonlinear operations such as square rooting and analog division.
