Part A
AD829JRZ
ADI公司
- Lifecycle
- Active
- Stock
- 2747 件
- Package
- SOIC-8
- Series
- 線性放大器視頻放大器和模塊
Replacement verdict
Compatible functional replacement candidate
The AD829ARZ and AD829JRZ are functionally interchangeable operational amplifiers sharing the same core die, pinout, and package, with the ARZ offering a tighter grade specification than the JRZ. The JRZ can serve as a functional substitute for the ARZ in most applications, but designers should validate the relaxed grade tolerances against their performance requirements before committing to production.
Package Type
High match
Pin Configuration
High match
Amplifier Grade
Validation required
Operating Temperature Range
Validation required
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD829ARZ | AD829JRZ | Why it matters |
|---|---|---|---|
| Grade / Temperature Range | Industrial (-40°C to +85°C) | Commercial (0°C to +70°C) | The industrial grade supports wider ambient temperature operation, making it suitable for harsher environments where the commercial grade may not be guaranteed. |
| Input Offset Voltage (max) | 0.5 mV | 2.0 mV | Lower offset voltage improves DC accuracy; the ARZ grade offers tighter offset specification for precision signal chains. |
| Input Bias Current (max) | 7 µA | 10 µA | Lower bias current reduces errors in high-impedance source applications; the ARZ grade is tighter. |
| Gain Bandwidth Product | 120 MHz (typical) | 120 MHz (typical) | Both share the same core bandwidth, so AC performance is comparable; the difference lies in guaranteed specs over temperature. |
| Slew Rate | 230 V/µs (typical) | 230 V/µs (typical) | Identical slew rate means transient response is the same; selection hinges on grade-dependent DC and temperature specs. |
| Supply Voltage Range | ±4.5 V to ±18 V | ±4.5 V to ±18 V | Same supply flexibility for both parts; no substitution constraint from supply rails. |
| Package | 8-Lead SOIC (R-8) | 8-Lead SOIC (R-8) | Identical package and pinout allow drop-in board replacement; only the grade marking differs. |
| Operating Temperature (guaranteed) | -40°C to +85°C | 0°C to +70°C | Guaranteed operating range determines whether the part can be used in industrial vs. consumer/office environments. |
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 | AD829JRZ | AD829ARZ |
|---|---|---|
| Part Status | Active | Active |
| Applications | Voltage Feedback | Voltage Feedback |
| Number of Circuits | 1 | 1 |
| -3 dB Bandwidth | 120 MHz | 120 MHz |
| Slew Rate | 230V/µs | 230V/µs |
| Supply Current | 5.3 mA | 5.3 mA |
| Current - Output / Channel | 32 mA | 32 mA |
| Voltage - Supply, Single/Dual (±) | ±4.5V ~ 18V | ±4.5V ~ 18V |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What is the primary difference between the AD829ARZ and AD829JRZ?
The AD829ARZ and AD829JRZ are both AD829 high-speed, low-noise operational amplifiers from Analog Devices in an 8-lead SOIC package. The key difference is the grade: the AD829ARZ is the A-grade version with tighter guaranteed specifications, while the AD829JRZ is the J-grade version with relaxed specifications over the commercial temperature range.
What are the specified operating temperature ranges for the AD829ARZ and AD829JRZ?
The AD829ARZ (A grade) is specified over the industrial temperature range of -40°C to +85°C. The AD829JRZ (J grade) is specified over the commercial temperature range of 0°C to +70°C.
How do the input offset voltage specifications compare between the AD829ARZ and AD829JRZ?
The AD829ARZ (A grade) guarantees a lower maximum input offset voltage than the AD829JRZ (J grade). The A grade offers tighter offset voltage limits, making it preferable for precision DC-coupled applications, while the J grade has wider offset limits suitable for less demanding applications.
Are the AD829ARZ and AD829JRZ pin-compatible and package-compatible?
Yes. Both devices are offered in the same 8-lead SOIC (R-8) package with identical pinout and footprint. They are pin-compatible and can share the same PCB land pattern, so the difference is purely in guaranteed performance grade rather than physical form factor.
Can the AD829JRZ be used as a drop-in replacement for the AD829ARZ?
Physically yes, since both are 8-lead SOIC devices with the same pinout. However, the J grade has relaxed electrical specifications and a narrower temperature range (0°C to +70°C) compared to the A grade (-40°C to +85°C). A substitution should only be made after verifying that the J-grade limits and temperature range meet the application requirements.
What are the key AC performance characteristics shared by the AD829ARZ and AD829JRZ?
Both grades are based on the same AD829 op amp core, featuring high speed and low noise. They share the same typical bandwidth, slew rate, and voltage noise characteristics of the AD829 family. The grade difference affects guaranteed DC and temperature-range limits rather than the fundamental AC topology.
Which grade should be selected for industrial versus commercial applications?
For industrial applications requiring operation down to -40°C and up to +85°C with tighter guaranteed DC specifications, the AD829ARZ is the appropriate choice. For commercial applications operating within 0°C to +70°C where relaxed specifications are acceptable, the AD829JRZ is the lower-cost grade option.
Do both the AD829ARZ and AD829JRZ come in RoHS-compliant packaging?
Yes. The "Z" suffix in both AD829ARZ and AD829JRZ denotes RoHS-compliant, lead-free (Pb-free) packaging per Analog Devices nomenclature. Both parts are supplied in the same RoHS-compliant 8-lead SOIC package.