Part A
AD8554ARZ
ADI公司
- Lifecycle
- Active
- Stock
- 5191 件
- Package
- SOIC-14
- Series
- 線性放大器-儀器、運算放大器、緩衝放大器
Replacement verdict
Compatible functional replacement candidate
The AD8554ARZ and AD8554ARZ-REEL are functionally identical zero-drift operational amplifiers; the only distinction is packaging format, with the REEL variant supplied on tape and reel for automated assembly. Both share the same die, pinout, specifications, and performance characteristics, making them fully interchangeable in design and application, with the choice driven solely by production handling requirements.
Amplifier Type
High match
Package Type
High match
Pin Configuration
High match
Electrical Specifications
High match
Parts at a glance
Part B
AD8554ARZ-REEL
ADI公司
- Lifecycle
- Active
- Stock
- 4654 件
- Package
- SOIC-14
- Series
- 線性放大器-儀器、運算放大器、緩衝放大器
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD8554ARZ | AD8554ARZ-REEL | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 4 | 4 | Determines how many independent op-amp channels are available in a single package for multi-channel signal conditioning. |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V | Defines the compatible power rails; both parts support the same low-voltage single-supply and split-supply operation. |
| Input Offset Voltage (Max) | 5 µV | 5 µV | Ultra-low offset is critical for precision DC amplification and sensor interfaces where error budget is tight. |
| Input Bias Current (Typ) | 50 pA | 50 pA | Very low bias current minimizes errors in high-impedance sensor and photodiode front-end circuits. |
| Gain Bandwidth Product | 1.5 MHz | 1.5 MHz | Sets the achievable closed-loop bandwidth and small-signal response for the amplifier stage. |
| Input Voltage Noise Density | 22 nV/√Hz | 22 nV/√Hz | Determines the noise floor contributed by the amplifier in low-level signal applications. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +125 °C | Confirms both parts are rated for industrial temperature environments and harsh operating conditions. |
| Package / Mounting | 14-Lead SOIC (surface mount) | 14-Lead SOIC (surface mount) | Identical package and footprint ensure drop-in board compatibility between the two orderable variants. |
| Packaging / Delivery Form | Tube | Tape & Reel | The only functional difference is the shipping format; reel packaging suits automated high-volume SMT assembly while tubes suit low-volume or hand assembly. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8554ARZ | AD8554ARZ-REEL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| 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 | 0.4V/µs | 0.4V/µs |
| Gain Bandwidth Product | 1.5 MHz | 1.5 MHz |
| Current - Input Bias | 10 pA | 10 pA |
| Voltage - Input Offset | 1 µV | 1 µV |
| Supply Current | 850µA (x4 Channels) | 850µA (x4 Channels) |
| 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 is the difference between AD8554ARZ and AD8554ARZ-REEL?
The AD8554ARZ and AD8554ARZ-REEL are the same AD8554 quad zero-drift operational amplifier die in the same 14-lead SOIC (R-14) package. The difference is packaging format: AD8554ARZ is supplied in tube/tray quantities, while AD8554ARZ-REEL is supplied on tape-and-reel for automated assembly. Electrical specifications are identical.
Are AD8554ARZ and AD8554ARZ-REEL electrically and functionally interchangeable?
Yes. Both order codes refer to the same AD8554 device, a quad zero-drift, rail-to-rail input/output operational amplifier. The "-REEL" suffix only denotes tape-and-reel shipping, so the parts are electrically and functionally interchangeable in a given design.
What package do AD8554ARZ and AD8554ARZ-REEL use?
Both parts are offered in the 14-lead SOIC package (Analog Devices package code R-14). The package body, pinout, and PCB land pattern are the same for both order codes.
What are the key specifications of the AD8554?
The AD8554 is a quad zero-drift amplifier featuring very low offset voltage (typically a few microvolts), low offset voltage drift, rail-to-rail input and output swing, and single-supply operation. It is intended for precision, low-frequency signal conditioning. Consult the Analog Devices AD8554 datasheet for the exact guaranteed limits for the ARZ grade.
Why would a designer choose AD8554ARZ-REEL instead of AD8554ARZ?
AD8554ARZ-REEL is supplied on tape-and-reel, which is the preferred format for high-volume automated pick-and-place assembly lines. AD8554ARZ in tubes is typically used for prototyping, low-volume runs, or manual assembly.
Do AD8554ARZ and AD8554ARZ-REEL differ in temperature range or grade?
No. Both order codes correspond to the same AD8554 grade in the same package; the suffix difference reflects shipping format only, not temperature grade or performance grade. Verify the specific grade and temperature range against the Analog Devices datasheet for the exact order code.
Can AD8554ARZ and AD8554ARZ-REEL be mixed on the same PCB assembly?
Yes. Because both order codes are the same device in the same 14-lead SOIC package, they can be used interchangeably on the same PCB assembly. The choice between them is a procurement and assembly-format decision, not a design change.