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AD8572ARZ-REEL
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Product Detailed Parameters
- Description：IC OPAMP ZERO-DRIFT 2 CIRC 8SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Zero-Drift
- Number of Circuits：2
- Output Type：Rail-to-Rail
- Slew Rate：0.4V/µs
- Gain Bandwidth Product：1.5 MHz
- Current - Input Bias：160 pA
- Voltage - Input Offset：1 µV
- Current - Supply：850µA (x2 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
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- -3db Bandwidth：-
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Overview
The AD8572ARZ-REEL is a dual-channel, zero-drift operational amplifier from 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 10 pA, and a gain bandwidth product of 1.5 MHz. The device offers high open-loop gain (145 dB typical) and excellent common-mode rejection ratio (140 dB typical). It is designed for precision applications requiring low drift and ultralow noise.
Feature Summary
- Utilizes a spread-spectrum auto-zero technique to eliminate intermodulation distortion effects in AC applications without requiring external capacitors.
- Features rail-to-rail input and output swings, allowing operation across the full supply voltage range.
- Provides ultralow offset voltage and drift characteristics suitable for high-precision DC measurements.
- Incorporates random frequency auto-zero stabilization to maintain low offset voltage over wide temperature ranges.
Applications
- Temperature sensors
- Pressure sensors
- Precision current sensing
- Strain gage amplifiers
- Medical instrumentation
Procurement Notes
Verify that the ordering suffix corresponds to the reel packaging format required for automated assembly processes. Confirm the specific package variant matches the PCB footprint design. Ensure the component meets the required industrial or automotive temperature ratings if applicable to the final system environment.
Selection Notes
Select this component when high DC precision and low drift are critical requirements. The rail-to-rail I/O capability makes it suitable for single-supply systems with limited voltage headroom. Consider the 1.5 MHz bandwidth for applications requiring moderate AC signal processing alongside DC accuracy.
Part Context
This part belongs to the AD857x family of zero-drift amplifiers, which includes single (AD8571), dual (AD8572), and quad (AD8574) configurations. All members share similar architectural benefits, including chopper-stabilized performance and CMOS construction. The AD8572 specifically provides two independent channels in an 8-lead SOIC package.
Replacement Considerations
Direct functional substitutes within the same family include the AD8571ARZ-REEL (single channel) and AD8574ARZ-REEL (quad channel). Other packages such as TSSOP (RU suffix) or MSOP (RM suffix) offer pin-compatible alternatives for space-constrained designs.
