AD633ARZ

Overview

The AD633ARZ is a four-quadrant analog multiplier housed in an 8-pin SOIC package. It operates on dual power supplies ranging from ±8 V to ±18 V, with a maximum supply voltage of 18 V DC and a typical supply current of 4 mA. The device features high-impedance differential X and Y inputs and a high-impedance summing Z input. It provides a low-impedance output with a nominal 10 V full-scale range derived from an embedded zener reference. Key electrical specifications include a small-signal bandwidth of 1 MHz at 0.1 V rms, a slew rate of 20 V/μs for a 20 V peak-to-peak output, and a total error within 2% of full scale due to laser trimming.

Feature Summary

• Offers four-quadrant multiplication capability without requiring external components.
• Features a high-impedance unit-gain summing input (Z) for flexible circuit configuration.
• Provides laser-trimmed accuracy and stability with a total error limited to 2% of full scale.
• Delivers a low-impedance output buffered by an embedded zener reference.

Applications

• Multiplication and division operations
• Signal modulation and demodulation
• Phase detection circuits
• Voltage-controlled amplifiers and attenuators

Procurement Notes

Verify the specific suffix 'ARZ' corresponds to the surface-mount SOIC-8 package variant. Confirm RoHS compliance status as indicated by the 'Z' suffix. Ensure the operating environment remains within the specified -40°C to +85°C temperature range. Validate that the required supply voltage does not exceed the absolute maximum ratings of ±18 V.

Selection Notes

Select this component when a cost-effective, single-chip solution for analog signal processing is required. It is suitable for applications demanding moderate bandwidth and precision without complex external calibration. Consider the SOIC-8 footprint constraints during PCB layout. Evaluate thermal dissipation capabilities if operating near maximum power limits.

Part Context

This part belongs to the AD633 family of low-cost analog multipliers manufactured by Analog Devices. It serves as a direct replacement for legacy bipolar multiplier designs while offering improved integration. The device simplifies system design by integrating reference voltages and summing amplifiers into a single monolithic structure.

Replacement Considerations

Check for pin-compatible alternatives such as the AD633JRZ or AD633ANZ depending on the required package type and temperature grade. Verify functional equivalence regarding input impedance and output drive capability before substitution.