Overview
The AD834JRZ-RL, produced by Analog Devices Inc., is a monolithic, laser-trimmed four-quadrant analog multiplier. It is designed for high-frequency applications, offering a transconductance bandwidth in excess of 500 MHz from either of the differential voltage inputs. This device is particularly useful in scenarios where high-speed real-time computation, wideband modulation, and gain control are required. The AD834JRZ-RL features stable biasing based on a band gap reference generator, making its performance relatively insensitive to temperature and supply variations.
Key Specifications
| Parameter | Value |
|---|---|
| Transconductance Bandwidth | >500 MHz (RL = 50 Ω) |
| Full-Scale Input Voltage | ±1 V (differential) |
| Full-Scale Output Current | ±4 mA (differential) |
| Distortion | ≤0.05% for 0 dBm input |
| Supply Voltages | ±4 V to ±9 V |
| Power Consumption | 280 mW typical at VS = ±5 V |
| Operating Temperature Range | 0°C to 70°C (commercial), -40°C to +85°C (industrial), -55°C to +125°C (military) |
| Package Type | 8-Lead SOIC |
Key Features
- DC to >500 MHz operation
- Differential ±1 V full-scale inputs and ±4 mA full-scale output current
- Low distortion (≤0.05% for 0 dBm input)
- Low power consumption (280 mW typical at VS = ±5 V)
- High impedance, nonloading differential inputs
- Low signal feedthrough (typically −65 dB up to 20 MHz)
- Low differential phase error over the input range
- Fast large signal transient response with an intrinsic rise time of 500 ps
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
- Wideband true RMS measurement
Q & A
- What is the primary function of the AD834JRZ-RL?
The AD834JRZ-RL is a four-quadrant analog multiplier designed for high-frequency applications. - What is the transconductance bandwidth of the AD834JRZ-RL?
The transconductance bandwidth exceeds 500 MHz (RL = 50 Ω). - What are the full-scale input and output specifications?
The full-scale input voltage is ±1 V (differential), and the full-scale output current is ±4 mA (differential). - What is the typical distortion level of the AD834JRZ-RL?
The distortion is typically ≤0.05% for a 0 dBm input. - What are the supply voltage ranges for the AD834JRZ-RL?
The supply voltages range from ±4 V to ±9 V. - What is the typical power consumption of the AD834JRZ-RL?
The typical power consumption is 280 mW at VS = ±5 V. - What are the operating temperature ranges for the AD834JRZ-RL?
The operating temperature ranges are 0°C to 70°C (commercial), -40°C to +85°C (industrial), and -55°C to +125°C (military). - What type of package does the AD834JRZ-RL come in?
The AD834JRZ-RL comes in an 8-Lead SOIC package. - What are some common applications of the AD834JRZ-RL?
Common applications include high-speed real-time computation, wideband modulation and gain control, signal correlation, and RF power measurement. - How does the AD834JRZ-RL handle temperature and supply variations?
The device's performance is relatively insensitive to temperature and supply variations due to stable biasing based on a band gap reference generator.
