Part A
AD633ARZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6690 Stückzahl
- Package
- SOIC-8
- Series
- Lineare, voranaloge Multiplikatoren, Teiler
Replacement verdict
Compatible functional replacement candidate
The AD633TRZ-EP is a functionally compatible replacement candidate for the AD633ARZ, sharing the same analog multiplier core, package footprint, and supply architecture, with the enhanced-production variant offering extended temperature screening for demanding applications. Designers should validate thermal margin and screening requirements against the target application before final qualification.
Function and Transfer Characteristic
High match
Package and Pinout
High match
Supply Voltage Range
High match
Operating Temperature Range
Validation required
Parts at a glance
Part B
AD633TRZ-EP
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 5582 Stückzahl
- Package
- SOIC-8
- Series
- Lineare, voranaloge Multiplikatoren, Teiler
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD633ARZ | AD633TRZ-EP | Why it matters |
|---|---|---|---|
| Function | Four-quadrant analog multiplier | Four-quadrant analog multiplier | Both parts perform the same core multiplication/division function, so they are functionally interchangeable in the signal path. |
| Supply Voltage (dual) | ±8 V to ±18 V | ±8 V to ±18 V | Matching supply ranges ensure the device can be dropped into the same power rail design without rework. |
| Total Error (multiplier) | ±1% of full scale (typical) | ±1% of full scale (typical) | Accuracy determines multiplication fidelity; identical error specs mean comparable computational accuracy. |
| Bandwidth | 1 MHz | 1 MHz | Bandwidth sets the maximum signal frequency the multiplier can process, so equal bandwidth preserves dynamic performance. |
| Slew Rate | 20 V/µs | 20 V/µs | Slew rate limits large-signal response speed; identical values mean equivalent transient behavior. |
| Package | 8-lead SOIC | 8-lead SOIC | Same package footprint allows direct board-level replacement without layout changes. |
| Operating Temperature Range | -40°C to +85°C | -55°C to +125°C | The extended temperature range of the EP version suits harsher environments, which is the primary differentiator between these parts. |
| Grade / Screening | Commercial grade | Enhanced product (EP) grade | EP grade implies additional qualification and screening for reliability in demanding applications, affecting sourcing and cost. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD633ARZ | AD633TRZ-EP |
|---|---|---|
| Part Status | Active | Active |
| Function | Analog Multiplier | Analog Multiplier |
| Number of Bits / Stages | 4-Quadrant | 4-Quadrant |
Frequently asked questions
What are the key differences between the AD633ARZ and AD633TRZ-EP?
The AD633ARZ is the standard commercial-grade version of the AD633 analog multiplier, specified over the 0°C to +70°C temperature range and supplied in a 16-lead SOIC package. The AD633TRZ-EP is the enhanced-product (EP) variant, which is manufactured and tested to meet extended temperature and reliability requirements, typically specified over the -55°C to +125°C range. Both devices share the same core multiplier function and 16-lead SOIC footprint, but the EP version is intended for applications requiring wider temperature operation and enhanced screening.
Are the AD633ARZ and AD633TRZ-EP functionally interchangeable?
Both parts implement the same four-quadrant analog multiplier function with a 10 V full-scale output and the same pinout in a 16-lead SOIC package. However, they are not drop-in equivalents for all applications because the AD633TRZ-EP is specified and tested over a wider temperature range and may carry different screening and qualification levels. Designers should verify that the temperature grade, accuracy specifications, and reliability requirements of the target application are met by the chosen variant.
What is the operating temperature range of each device?
The AD633ARZ is specified for operation over the commercial temperature range of 0°C to +70°C. The AD633TRZ-EP is specified for the extended temperature range of -55°C to +125°C, consistent with its enhanced-product designation. The wider range of the EP version makes it suitable for industrial, military, and other harsh-environment applications.
Do both parts use the same package and pinout?
Yes. Both the AD633ARZ and AD633TRZ-EP are offered in a 16-lead SOIC package with the same pin configuration, including the X1, X2, Y1, Y2, Z, W, and summing-node pins. This allows a common PCB land pattern to be used for either variant, though the temperature and screening differences must still be evaluated for the target design.
What is the full-scale output and transfer function of these multipliers?
Both devices are four-quadrant analog multipliers with a transfer function of W = (X1 - X2)(Y1 - Y2)/10 V + Z, providing a 10 V full-scale output. The internal 10 V scaling is set by the device architecture, and the Z input allows an offset or summing term to be added to the product. These parameters are common to both the AD633ARZ and AD633TRZ-EP.
Which variant should be selected for extended-temperature or harsh-environment designs?
The AD633TRZ-EP should be selected when the application requires operation beyond the commercial 0°C to +70°C range, since it is specified over -55°C to +125°C and is screened as an enhanced product. The AD633ARZ is appropriate for standard commercial-temperature applications where the extended range and EP screening are not required.
Are the accuracy and linearity specifications the same for both variants?
Both parts are based on the same AD633 multiplier core and share the same fundamental accuracy characteristics, including total error and nonlinearity specifications at 25°C. However, because the AD633TRZ-EP is tested over the extended -55°C to +125°C range, its guaranteed specifications across temperature may differ from the commercial-grade AD633ARZ. Designers should consult the respective datasheets for the exact guaranteed limits over the intended operating temperature.