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Analog Devices Inc. AD8554ARZ-REEL
- Part No.:
- AD8554ARZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8554ARZ-REEL.pdf
- Description:
- IC OPAMP ZERO-DRIFT 4CIRC 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,056
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Product details
Overview
AD8554ARZ-REEL from Analog Devices is a quad zero-drift, rail-to-rail input/output operational amplifier optimized for precision DC-coupled signal conditioning in single-supply systems. It delivers 1 μV typical offset voltage, 0.005 μV/°C drift, 130 dB CMRR/PSRR, 700 μA per amplifier supply current, and operates from 2.7 V to 5 V. It is used in high-accuracy sensor front-ends such as strain gage and thermocouple amplifiers.
For engineers reviewing the AD8554ARZ-REEL datasheet, AD8554ARZ-REEL pinout, AD8554ARZ-REEL application, or AD8554ARZ-REEL equivalent, key selection criteria include ultralow drift over −40°C to +125°C, rail-to-rail swing enabling both high-side and low-side sensing, and guaranteed quad-channel matching without external capacitors.
Technical Context
The AD8554ARZ-REEL implements auto-zero stabilization using dual internal amplifiers - a main amplifier and a nulling amplifier - with switched-capacitor correction at ~100 kHz. Its CMOS input stage combines NMOS and PMOS differential pairs to achieve true rail-to-rail common-mode input range (0 V to VS).
Output stage uses complementary common-source transistors for rail-to-rail output swing; output voltage approaches rails within 10 mV at light load (100 kΩ), degrading to ~30 mV at 10 kΩ. Open-loop gain exceeds 125 dB at 10 kΩ load but decreases with lower resistance loads due to rDS effects.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Offset Voltage | 1 μV typ - enables ≥1000× gain without significant DC error in precision sensor interfaces |
| Offset Drift | 0.005 μV/°C max - ensures <10 μV total drift over −40°C to +125°C operating range |
| Supply Range | 2.7 V to 5 V single supply - supports battery-powered and industrial 3.3 V/5 V systems |
| CMRR / PSRR | 130 dB min - rejects power supply noise and common-mode interference in noisy environments |
| Supply Current | 700 μA/op amp typ - allows four channels in low-power instrumentation without thermal penalty |
| Gain Bandwidth | 1.5 MHz @ 5 V - sufficient for DC–100 kHz sensor signal bandwidths with stability margin |
| Overload Recovery | 50 μs - recovers rapidly from input overdrive, critical in transient-rich sensor applications |
Pinout & Package
The AD8554ARZ-REEL is housed in a 14-lead narrow SOIC package (R suffix), with exposed pad not electrically connected. Pin 1 is top-left corner marker; device is surface-mount, RoHS-compliant, and rated for −40°C to +125°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | −IN A | Inverting input of Amplifier A - accepts differential signals up to supply rails |
| 2 | +IN A | Noninverting input of Amplifier A - rail-to-rail common-mode range enables ground-referenced sensors |
| 3 | V+ | Positive supply - connects to 2.7 V–5 V single supply; decoupling capacitor required |
| 4 | +IN B | Noninverting input of Amplifier B - matched to Amplifier A for dual-sensor or instrumentation use |
| 5 | −IN B | Inverting input of Amplifier B - maintains channel-to-channel offset matching ≤10 μV |
| 6 | OUT B | Output of Amplifier B - rail-to-rail swing (≤10 mV from rails at light load) supports full-scale ADC interfacing |
| 7 | OUT D | Output of Amplifier D - fourth independent channel for multi-sensor or redundancy architectures |
| 8 | −IN D | Inverting input of Amplifier D - identical electrical specs to Pins 1 and 5 for consistent layout |
| 9 | +IN D | Noninverting input of Amplifier D - supports simultaneous 4-channel analog acquisition |
| 10 | V− | Negative supply / ground - referenced to system GND; no negative rail required |
| 11 | +IN C | Noninverting input of Amplifier C - enables 4-channel differential or single-ended configurations |
| 12 | −IN C | Inverting input of Amplifier C - matches offset and drift of other channels for coherent sampling |
| 13 | OUT C | Output of Amplifier C - provides fourth buffered output with same drive capability as OUT A/B/D |
| 14 | OUT A | Output of Amplifier A - primary output; drives 10 kΩ load to within 30 mV of rails at full temperature range |
Key Features
| Feature | Design Value |
|---|---|
| No external capacitors required | Internal auto-zero capacitor eliminates need for external timing or storage caps - reduces BOM count and PCB area |
| Rail-to-rail input and output | Enables direct interface with 0 V–VS sensors (e.g., bridge outputs) and full utilization of 12-/16-bit ADC input range |
| Ultralow input bias current | 20 pA typ - prevents loading errors in high-impedance sources like thermocouples and piezoresistive sensors |
| Extended temperature range | Specified from −40°C to +125°C - qualified for under-hood automotive and industrial control applications |
| High open-loop gain | 125 dB min - ensures <0.005% gain error in closed-loop configurations with 100× gain |
Applications
| Temperature Sensors | Strain Gage Amplifiers |
|---|---|
Use Scenario: Amplifying low-level output (10–100 μV/°C) from platinum RTDs or thermistors in HVAC or automotive cabin modules. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with offset cancellation before 24-bit ΣΔ ADC. Use Value: 1 μV offset and 0.005 μV/°C drift enable ±0.1°C accuracy over full automotive temperature range without calibration. | Use Scenario: Conditioning mV-level differential output from quarter-bridge or full-bridge strain gages in load cells or structural monitoring. IC Role / Device Role / Timing Role: Instrumentation-grade front-end with matched quad channels for simultaneous multi-axis force measurement. Use Value: Channel-to-channel offset matching ≤10 μV and rail-to-rail swing preserve dynamic range when driving 3.3 V SAR ADCs. |
| Medical Instrumentation | Precision Current Sensing |
Use Scenario: Biopotential signal amplification (ECG, EMG) where DC stability and low 1/f noise are critical for baseline integrity. IC Role / Device Role / Timing Role: First-stage amplifier in analog front-end with high CMRR rejecting 50/60 Hz mains interference. Use Value: 130 dB CMRR and 42 nV/√Hz noise density at 1 kHz ensure clean acquisition of sub-mV physiological signals. | Use Scenario: Shunt-based current measurement in motor drives or power supplies, where bidirectional sensing and wide dynamic range are needed. IC Role / Device Role / Timing Role: High-side or low-side current sense amplifier with rail-to-rail inputs enabling direct shunt connection. Use Value: Input voltage range from 0 V to VS allows direct sensing across shunts referenced to ground or VCC, eliminating level-shifting circuitry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2189IDR | Zero-drift, 200 μV offset max, 0.005 μV/°C drift, 2-channel, SOIC-8 | Dual-channel only; lacks quad integration and 14-pin SOIC footprint | Select when dual-channel count suffices and board space is constrained |
| LTC2057HMS8#PBF | Zero-drift, 0.5 μV offset max, 0.015 μV/°C drift, single-channel, MSOP-8 | Single-channel; higher drift and different package prevent drop-in replacement | Select for ultra-low-offset single-channel needs where quad integration is unnecessary |
Compared with OPA2189IDR and LTC2057HMS8#PBF, the AD8554ARZ-REEL uniquely offers four matched zero-drift amplifiers in one 14-lead SOIC, enabling compact multi-sensor systems without inter-channel calibration - a key advantage in space-constrained medical and industrial modules.
Availability
AD8554ARZ-REEL is available at Aetrix Electronics and suitable for precision current sensing, strain gage amplification, and medical instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AD8554ARZ-REEL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AD855x family was designed specifically for high-accuracy, low-drift sensor signal conditioning in harsh environments - targeting automotive, industrial, and medical applications where DC precision and long-term stability are non-negotiable.
FAQ
What is the maximum operating temperature range for the AD8554ARZ-REEL?
The AD8554ARZ-REEL is specified for continuous operation from −40°C to +125°C. This extended industrial/automotive temperature range is validated per Analog Devices' qualification standards and applies across all electrical parameters in the datasheet, including offset voltage, drift, and CMRR. The AD8554ARZ-REEL maintains its 1 μV typical offset and 0.005 μV/°C drift specification throughout this full range, making it suitable for under-hood automotive and industrial control applications.
Does the AD8554ARZ-REEL require external capacitors for auto-zero operation?
No, the AD8554ARZ-REEL does not require external capacitors for auto-zero operation. Its internal switched-capacitor auto-correction circuit includes integrated storage capacitance, eliminating the need for external timing or nulling capacitors. This simplifies design, reduces bill-of-materials cost, and improves reliability by removing potential failure points - a key differentiator versus older chopper-stabilized amplifiers that mandate external components.
Can the AD8554ARZ-REEL drive a 10 kΩ load while maintaining rail-to-rail output swing?
Yes, the AD8554ARZ-REEL can drive a 10 kΩ load with rail-to-rail output swing, though voltage headroom increases slightly under load. At 25°C and 5 V supply, output voltage reaches within 30 mV of each rail (VOH = 4.97 V, VOL = 30 mV). Over the full −40°C to +125°C range, worst-case swing remains within 30 mV of V+ and 15 mV of V− at 10 kΩ, ensuring compatibility with 12-bit+ ADCs requiring >99.5% dynamic range utilization.
How does the AD8554ARZ-REEL handle input overvoltage conditions?
The AD8554ARZ-REEL specifies absolute maximum differential input voltage as ±5.0 V or the supply voltage, whichever is less. With 5 V supply, inputs tolerate up to ±5 V differential. Internally, ESD protection diodes clamp excessive common-mode voltages to rails, and the auto-zero architecture inherently recovers from overdrive in 50 μs. No phase reversal occurs - verified in Figure 31 of the datasheet - ensuring safe operation during sensor transients or power sequencing events.
Is the AD8554ARZ-REEL pin-compatible with other devices in the AD855x family?
No, the AD8554ARZ-REEL is not pin-compatible with AD8551 or AD8552 variants due to differing channel counts and package footprints. The AD8554ARZ-REEL uses a 14-lead SOIC (R suffix), whereas AD8551 is 8-lead SOIC/MSOP and AD8552 is 8-lead SOIC/TSSOP. Pin assignments differ fundamentally - e.g., AD8554ARZ-REEL dedicates Pins 7, 13, and 14 to OUT D, OUT C, and OUT A respectively, with no equivalent mapping in dual or single versions. Board redesign is required for substitution.
AD8554ARZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Zero-Drift
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.4V/µs
- Gain Bandwidth Product:
- 1.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 10 pA
- Voltage - Input Offset:
- 1 µV
- Current - Supply:
- 850µA (x4 Channels)
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
AD8554ARZ-REEL FAQ
1.How can I place an order for AD8554ARZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8554ARZ-REEL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD8554ARZ-REEL reliable?
The price and inventory of AD8554ARZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8554ARZ-REEL is usually 5 days.
3.What payment methods are accepted for AD8554ARZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8554ARZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8554ARZ-REEL?
AD8554ARZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8554ARZ-REEL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD8554ARZ-REEL?
For technical support, including AD8554ARZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8554ARZ-REEL requirements.
6.How does Aetrix verify that AD8554ARZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD8554ARZ-REEL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD8554ARZ-REEL meets industry standards.
7.What is the process for return or replacement of AD8554ARZ-REEL?
All AD8554ARZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD8554ARZ-REEL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD8554ARZ-REEL part is unused and in its original packaging.
Return procedure for AD8554ARZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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