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 AD8552AR-REEL share the same zero-drift, rail-to-rail operational amplifier core and identical supply, temperature, and package characteristics, differing only in channel count. The AD8554ARZ is a quad device while the AD8552AR-REEL is a dual device, so the AD8552AR-REEL can serve as a functional substitute only where two of the four amplifier channels are not required; otherwise the channel count difference must be validated against the application's signal-chain requirements.
Amplifier Core and Electrical Characteristics
High match
Channel Count
Not compatible
Package Type
High match
Supply Voltage and Operating Temperature Range
High match
Parts at a glance
Part B
AD8552AR-REEL
ADI公司
- Lifecycle
- Active
- Stock
- 6270 件
- Package
- SOIC-8
- 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 | AD8552AR-REEL | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 4 (Quad) | 2 (Dual) | Determines how many independent op-amp channels are available in a single package; a quad device cannot directly replace a dual device in a circuit requiring only two channels without layout changes. |
| Input Offset Voltage (Max) | 5 µV | 5 µV | Ultra-low offset is the defining characteristic of zero-drift amplifiers; matching values ensures comparable DC accuracy in precision signal chains. |
| Input Offset Voltage Drift (Max) | 0.05 µV/°C | 0.05 µV/°C | Low drift maintains precision over temperature; identical drift specs mean both parts behave equivalently in thermally varying environments. |
| Gain Bandwidth Product | 1.5 MHz | 1.5 MHz | Sets the achievable closed-loop bandwidth and dynamic response; matching GBW ensures equivalent AC performance for a given gain configuration. |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V | Defines compatibility with single-supply systems; identical ranges allow either part to operate in the same power rail environment. |
| Supply Current per Amplifier (Typ) | 0.85 mA | 0.85 mA | Affects total power budget; per-amplifier current matching means power consumption scales only with channel count, not device type. |
| Input Bias Current (Typ) | 50 pA | 50 pA | Very low bias current minimizes errors in high-impedance sensor interfaces; matching values preserve input loading characteristics. |
| Package / Pin Count | 14-Lead SOIC | 8-Lead SOIC | Footprint and pinout differ, so the two parts are not drop-in replacements; PCB layout must accommodate the different package size and pin assignments. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +125 °C | Confirms both parts are rated for industrial/extended temperature environments, ensuring equivalent reliability under the same thermal conditions. |
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Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8554ARZ | AD8552AR-REEL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Part Status | Active | Obsolete |
| Amplifier Type | Zero-Drift | Zero-Drift |
| Number of Circuits | 4 | 2 |
| 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 (x2 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 are the primary differences between the AD8554ARZ and AD8552AR-REEL?
The AD8554ARZ is a quad-channel zero-drift operational amplifier supplied in a 14-lead SOIC package, while the AD8552AR-REEL is a dual-channel zero-drift operational amplifier supplied in an 8-lead SOIC package on tape and reel. Both share the same core amplifier architecture and similar per-channel specifications, but differ in channel count, package footprint, and packaging format.
Are the AD8554ARZ and AD8552AR-REEL electrically identical on a per-channel basis?
Yes. Both devices are members of the same zero-drift amplifier family and share comparable per-channel specifications, including low offset voltage, low offset voltage drift, and rail-to-rail input and output operation. The primary distinction is the number of integrated channels and the package.
Can the AD8552AR-REEL be used as a drop-in replacement for the AD8554ARZ?
No. The AD8554ARZ is a quad device in a 14-lead SOIC package, whereas the AD8552AR-REEL is a dual device in an 8-lead SOIC package. The pin counts, pin functions, and PCB land patterns differ, so a direct drop-in substitution is not possible without a board redesign.
What package types do the AD8554ARZ and AD8552AR-REEL use?
The AD8554ARZ is offered in a 14-lead SOIC package. The AD8552AR-REEL is offered in an 8-lead SOIC package and is supplied in tape-and-reel format for automated assembly.
What is the significance of the "REEL" suffix on the AD8552AR-REEL?
The "REEL" suffix indicates that the AD8552AR-REEL is supplied in tape-and-reel packaging, which is intended for high-volume automated pick-and-place assembly. The AD8554ARZ part number does not carry this suffix and is typically supplied in standard tube or tray packaging.
Do both devices share the same zero-drift amplifier technology?
Yes. Both the AD8554ARZ and AD8552AR-REEL belong to the same zero-drift operational amplifier family, which uses auto-zeroing or chopper-stabilized techniques to achieve very low offset voltage and offset voltage drift over temperature and time.
Which device should be selected for a design requiring four amplifier channels?
The AD8554ARZ should be selected when four zero-drift amplifier channels are required in a single package, since it integrates four channels in a 14-lead SOIC. The AD8552AR-REEL provides only two channels and would require two devices to achieve four channels.
Are the AD8554ARZ and AD8552AR-REEL interchangeable in terms of supply voltage range?
Both devices are members of the same amplifier family and are specified for comparable supply voltage operating ranges as documented in their respective manufacturer datasheets. Designers should confirm the exact specified supply range for each part against the official datasheet before finalizing a design.