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AD8551ARZ-REEL7
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Product Detailed Parameters
- Description：IC OPAMP ZERO-DRIFT 1 CIRC 8SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Zero-Drift
- Number of Circuits：1
- Output Type：Rail-to-Rail
- Slew Rate：0.4V/µs
- Gain Bandwidth Product：1.5 MHz
- Current - Input Bias：10 pA
- Voltage - Input Offset：1 µV
- Current - Supply：850µA
- Current - Output / Channel：30 mA
- Voltage - Supply Span (Min)：2.7 V
- Voltage - Supply Span (Max)：5.5 V
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- -3db Bandwidth：-
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Overview
The AD8551ARZ-REEL7 is a single-channel, zero-drift operational amplifier manufactured by Analog Devices Inc. It features rail-to-rail input and output capabilities and operates on a single supply voltage ranging from 2.7 V to 5 V. The device utilizes an auto-zero stabilization topology to achieve ultralow offset voltage of 1 μV and drift of 0.005 μV/°C. Key electrical parameters include a gain bandwidth product of 1.5 MHz, a slew rate of 400 mV/μs, and a supply current of 975 μA per amplifier. It offers high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) exceeding 130 dB.
Feature Summary
- Auto-zero stabilization architecture for near-zero drift over temperature
- Rail-to-rail input and output swing capability
- Ultralow input bias current with no external capacitors required
Applications
- Temperature sensors
- Pressure sensors
- Precision current sensing
- Strain gage amplifiers
- Medical instrumentation
Procurement Notes
Verify the specific package suffix against the datasheet ordering guide to ensure compatibility with the intended PCB footprint. Confirm that the REEL7 designation matches the required tape and reel quantity specifications for automated assembly processes. Cross-reference the manufacturer part number with official distributor catalogs to validate authenticity and revision status before procurement.
Selection Notes
Select this component when sub-microvolt offset stability is critical in single-supply environments. The rail-to-rail I/O range maximizes dynamic signal utilization compared to standard op amps. Ensure the application load does not exceed the specified short-circuit current limits to maintain reliability within the extended industrial temperature range.
Part Context
This part belongs to the AD855x family of precision amplifiers, which includes dual (AD8552) and quad (AD8554) variants. All members share the same zero-drift CMOS architecture and performance characteristics. The AD8551 specifically provides a single amplifier configuration housed in an 8-lead narrow SOIC package.
Replacement Considerations
Direct functional substitutes within the same family include the AD8552ARZ and AD8554ARZ, provided pinout compatibility is verified for the specific package type.
