Part A
AD8630ARZ
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6520 PCS
- Package
- SOIC-14
- Series
- Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
Replacement verdict
Compatible functional replacement candidate
The AD8630WARZ-RL is a functionally compatible replacement candidate for the AD8630ARZ, sharing the same zero-drift amplifier core, package, and pinout, with the automotive-grade variant offering extended qualification for demanding applications.
Amplifier Core and Channel Count
High match
Package and Pinout
High match
Supply Voltage and Electrical Ratings
High match
Qualification and Temperature Grade
Validation required
Parts at a glance
Part B
AD8630WARZ-RL
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 3419 PCS
- Package
- SOIC-14
- Series
- Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD8630ARZ | AD8630WARZ-RL | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 4 (Quad) | 4 (Quad) | Channel count must match for a drop-in functional replacement in a quad op-amp circuit. |
| Supply Voltage Range | 2.7 V to 5.5 V (single supply) | 2.7 V to 5.5 V (single supply) | The operating supply window determines compatibility with the system rail voltages. |
| Input Offset Voltage (Max) | 5 µV | 5 µV | Low offset is critical for precision DC signal conditioning and sensor interfaces. |
| Input Bias Current (Typ) | 30 pA | 30 pA | Very low bias current minimizes errors in high-impedance and photodiode applications. |
| Gain Bandwidth Product | 2.5 MHz | 2.5 MHz | GBW sets the achievable closed-loop bandwidth and dynamic response of the amplifier. |
| Input Voltage Noise Density | 22 nV/√Hz (at 1 kHz) | 22 nV/√Hz (at 1 kHz) | Noise density affects the signal-to-noise ratio in low-level signal amplification. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +125 °C | Temperature range confirms suitability for industrial and automotive environments. |
| Qualification / Grade | Standard industrial grade | Automotive grade (AEC-Q100 qualified) | Automotive qualification affects reliability screening and suitability for automotive designs. |
| Package / Packaging | 14-Lead SOIC (tube/tray) | 14-Lead SOIC (tape and reel) | Packaging format affects assembly line handling and pick-and-place production flow. |
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 | AD8630ARZ | AD8630WARZ-RL |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Active |
| Amplifier Type | Zero-Drift | Zero-Drift |
| Number of Circuits | 4 | 4 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 1V/µs | 1V/µs |
| Gain Bandwidth Product | 2.5 MHz | 2.5 MHz |
| -3 dB Bandwidth | 2.5 MHz | 2.5 MHz |
| Current - Input Bias | 30 pA | 30 pA |
| Voltage - Input Offset | 1 µV | 1 µV |
| Current - Output / Channel | 30 mA | 30 mA |
| Voltage - Supply Span(Min) | 2.7 V | 2.7 V |
| Voltage - Supply Span(Max) | 5 V | 5 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key differences between the AD8630ARZ and AD8630WARZ-RL?
Both parts are zero-drift, single-supply operational amplifiers from Analog Devices in an 8-lead SOIC package. The AD8630ARZ is the standard industrial-grade version, while the AD8630WARZ-RL is the automotive-grade version supplied in tape-and-reel packaging. The W suffix denotes automotive qualification (AEC-Q100), and the RL suffix indicates reel packaging for automated assembly.
Are the AD8630ARZ and AD8630WARZ-RL electrically identical?
Yes. Both devices share the same core specifications: quad zero-drift op amp, 2.7 V to 5 V single-supply operation, low offset voltage (typically 1 µV), rail-to-rail input and output, and low input bias current. The primary differences are qualification grade and packaging format, not electrical performance.
What does the "W" suffix indicate on the AD8630WARZ-RL?
The "W" suffix designates the automotive-qualified version of the AD8630, meeting AEC-Q100 requirements for use in automotive and other high-reliability applications. The standard AD8630ARZ does not carry this automotive qualification.
What does the "RL" suffix mean on the AD8630WARZ-RL?
The "RL" suffix indicates tape-and-reel packaging, which is intended for high-volume automated pick-and-place assembly. The AD8630ARZ is typically supplied in tube or tray packaging, while the AD8630WARZ-RL is supplied on reels.
Can the AD8630ARZ and AD8630WARZ-RL be used interchangeably in a design?
Electrically they are interchangeable, as both are quad zero-drift op amps with the same pinout and package. However, substitution should be validated against the target application's qualification requirements: the AD8630WARZ-RL is required where automotive AEC-Q100 qualification is mandated, while the AD8630ARZ is suitable for general industrial use.
What package do both the AD8630ARZ and AD8630WARZ-RL use?
Both devices are offered in an 8-lead SOIC (Small Outline Integrated Circuit) package, designated with the "R" suffix in the part number. The package footprint and pinout are identical between the two variants.
What are the key applications for the AD8630 series?
The AD8630 family is used in precision signal conditioning, sensor interfaces, low-level transducer amplification, and battery-powered instrumentation, benefiting from its zero-drift architecture, low offset voltage, and rail-to-rail input/output operation on single supplies from 2.7 V to 5 V.
Which variant should be selected for automotive designs?
The AD8630WARZ-RL should be selected for automotive designs because it carries the "W" automotive qualification (AEC-Q100). The AD8630ARZ is intended for industrial and general-purpose applications and does not carry automotive qualification.