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AD8571ARZ-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 AD8571ARZ-REEL7 is a single-channel, zero-drift operational amplifier manufactured by Analog Devices. It features rail-to-rail input and output capabilities and operates on a single supply voltage ranging from 2.7 V to 5 V. Key electrical specifications include a typical offset voltage of 1 μV, an input bias current of 50 pA, and a gain-bandwidth product of 1.5 MHz. The device delivers a typical open-loop gain of 145 dB, with common-mode rejection and power supply rejection ratios of 140 dB and 130 dB, respectively. It functions within an extended industrial temperature range of -40°C to +125°C.
Feature Summary
- Utilizes spread-spectrum auto-zero technology to eliminate intermodulation distortion without requiring external capacitors.
- Provides rail-to-rail input and output swing for maximum dynamic range in single-supply applications.
- Achieves ultralow offset voltage and drift characteristics suitable for high-precision measurement systems.
Applications
- Temperature sensors
- Pressure sensors
- Precision current sensing
- Strain gage amplifiers
- Medical instrumentation
Procurement Notes
Verify the specific package suffix 'R' corresponds to the SOIC-8 form factor required for your PCB layout. Confirm that the REEL7 designation matches your automated assembly equipment specifications. Ensure the component meets RoHS compliance requirements for your manufacturing region. Cross-reference the datasheet revision to confirm parameter stability before finalizing design integration.
Selection Notes
Select this component when ultra-low DC error and minimal temperature drift are critical system constraints. The rail-to-rail I/O capability makes it suitable for low-voltage single-supply designs where signal integrity near the rails is necessary. Consider the 1.5 MHz bandwidth and slew rate for applications requiring moderate AC signal processing alongside high DC precision.
Part Context
This part belongs to the AD857x family of zero-drift amplifiers, which includes dual (AD8572) and quad (AD8574) variants. The AD8571 specifically denotes the single-amplifier configuration. The 'ARZ' identifier indicates the commercial temperature grade and lead-free packaging, while 'REEL7' specifies the tape and reel quantity format for surface-mount assembly.
Replacement Considerations
Direct functional substitutes within the same family include the AD8572ARMZ for dual-channel requirements or the AD8574ARZ for quad-channel needs. Verify pin compatibility if replacing with other chopper-stabilized amplifiers, as internal architecture differences may affect transient response and noise characteristics.
