Overview
The AD834ARZ is a monolithic, laser-trimmed four-quadrant analog multiplier produced by Analog Devices Inc. It is designed for high-frequency applications, offering a transconductance bandwidth in excess of 500 MHz from either of the differential voltage inputs. The device is known for its high static accuracy, low input and output offsets, and accurate scale factor, making it suitable for a variety of high-speed nonlinear operations. The AD834ARZ is available in an 8-lead SOIC package and operates over the industrial temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Value |
|---|---|
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Number of Pins | 8 |
| Bandwidth | DC to >500 MHz |
| Full-Scale Inputs | Differential ±1 V |
| Full-Scale Output Current | Differential ±4 mA |
| Distortion | ≤0.05% for 0 dBm input |
| Supply Voltages | ±4 V to ±9 V |
| Power Consumption | Typically 280 mW at ±5 V |
| Operating Temperature Range | -40°C to +85°C |
| Peak Reflow Temperature | 260°C |
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).
- Nonloading, high impedance, differential inputs.
- Low differential phase error over the input range.
- Fast transient response with an intrinsic rise time of 500 ps and settling to within 1% in under 5 ns.
Applications
- High-speed real-time computation.
- Wideband modulation and gain control.
- Signal correlation and RF power measurement.
- Voltage-controlled filters and oscillators.
- Linear keyers for high-resolution television.
- Radiation thermometry transducers.
- Comparator and pH (acidity) measurements.
- Automation control systems.
- Proportional counter tubes and scintillation detectors.
- High input resistance broadband and high gain DC amplifiers.
Q & A
- What is the primary function of the AD834ARZ?
The AD834ARZ is a four-quadrant analog multiplier designed for high-frequency applications.
- What is the bandwidth of the AD834ARZ?
The bandwidth of the AD834ARZ extends from DC to over 500 MHz.
- What are the full-scale input and output specifications of the AD834ARZ?
The full-scale inputs are differential ±1 V, and the full-scale output current is differential ±4 mA.
- What is the typical distortion level of the AD834ARZ?
The typical distortion level is ≤0.05% for 0 dBm input.
- What are the supply voltage ranges for the AD834ARZ?
The supply voltages range from ±4 V to ±9 V.
- What is the operating temperature range of the AD834ARZ?
The operating temperature range is -40°C to +85°C.
- What are some common applications of the AD834ARZ?
Common applications include high-speed real-time computation, wideband modulation and gain control, signal correlation, and RF power measurement.
- How does the AD834ARZ handle temperature and supply variations?
The performance is relatively insensitive to temperature and supply variations due to stable biasing based on a band gap reference generator.
- What is the package type and pin count of the AD834ARZ?
The AD834ARZ is available in an 8-lead SOIC package.
- What is the peak reflow temperature for the AD834ARZ?
The peak reflow temperature is 260°C.
