Part A
AD8552ARZ
ADI公司
- Lifecycle
- Active
- Stock
- 1913 件
- Package
- SOIC-8
- 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 AD8552ARZ and AD8554AR-REEL share the same zero-drift amplifier core, supply range, and SOIC package family, so the AD8554AR-REEL can serve as a functional substitute where additional channels are needed, provided the board layout accommodates the wider 14-lead footprint and the design accounts for the higher total supply current.
Channel Count
High match
Amplifier Architecture
High match
Package Footprint
Validation required
Supply Current
Validation required
Parts at a glance
Part B
AD8554AR-REEL
ADI公司
- Lifecycle
- Active
- Stock
- 8143 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 | AD8552ARZ | AD8554AR-REEL | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 2 (dual) | 4 (quad) | Channel count determines how many independent signal paths can be processed; a dual and quad are not pin-compatible substitutes. |
| Input Offset Voltage (max) | 5 µV | 5 µV | Ultra-low offset is the defining feature of zero-drift amplifiers and directly affects 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, critical for sensor interfaces and instrumentation. |
| Input Bias Current (typ) | 10 pA | 10 pA | Very low bias current enables high-impedance sensor and photodiode interfacing with minimal error. |
| Gain Bandwidth Product | 1.5 MHz | 1.5 MHz | GBW sets the achievable closed-loop bandwidth and settling behavior for the amplifier. |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V | Determines compatibility with single-supply low-voltage systems and battery-powered designs. |
| Supply Current per Amplifier (typ) | 0.85 mA | 0.85 mA | Quiescent current affects power budget; per-amplifier value allows fair comparison across channel counts. |
| Input Voltage Noise Density (typ) | 32 nV/√Hz | 32 nV/√Hz | Noise density impacts resolution in low-level signal amplification and sensor conditioning. |
| Package | 8-lead SOIC | 14-lead SOIC | Package footprint and pinout differ, so board layout and assembly are not interchangeable between the two parts. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +125 °C | Industrial temperature range ensures reliable operation across harsh environments. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8552ARZ | AD8554AR-REEL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Part Status | Active | Obsolete |
| Amplifier Type | Zero-Drift | Zero-Drift |
| Number of Circuits | 2 | 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 (x2 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 are the key differences between the AD8552ARZ and AD8554AR-REEL?
The AD8552ARZ is a dual-channel zero-drift operational amplifier in an 8-lead SOIC package, while the AD8554AR-REEL is a quad-channel zero-drift operational amplifier in a 14-lead SOIC package supplied on tape and reel. Both share the same zero-drift, rail-to-rail input/output architecture and similar per-channel specifications, but differ in channel count, package pin count, and packaging format.
Are the AD8552ARZ and AD8554AR-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, rail-to-rail input and output swing, and similar supply voltage range and bandwidth. The primary differences are channel count and package.
Can the AD8552ARZ be used as a drop-in replacement for the AD8554AR-REEL?
No. The AD8552ARZ is a dual amplifier in an 8-lead SOIC package, whereas the AD8554AR-REEL is a quad amplifier in a 14-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 supply voltage range do the AD8552ARZ and AD8554AR-REEL support?
Both devices operate from a single supply of 2.7 V to 5 V, or from dual supplies of ±1.35 V to ±2.5 V, consistent with the AD855x zero-drift amplifier family datasheet specifications.
What packaging format is the AD8554AR-REEL supplied in?
The AD8554AR-REEL is supplied in a 14-lead SOIC package on tape and reel, which is intended for high-volume automated assembly. The AD8552ARZ is supplied in an 8-lead SOIC package in standard tube or tray format.
Do both parts share the same zero-drift amplifier technology?
Yes. Both the AD8552ARZ and AD8554AR-REEL are zero-drift operational amplifiers that use auto-zeroing or chopper-stabilized techniques to achieve very low offset voltage and offset voltage drift, making them suitable for precision low-frequency signal conditioning.
Which part should be selected for a design requiring four precision amplifier channels?
The AD8554AR-REEL should be selected, as it integrates four zero-drift amplifier channels in a single 14-lead SOIC package, reducing board space and component count compared with using two AD8552ARZ dual devices.