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AD8628AUJ-REEL7
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Product Detailed Parameters
- Description：IC OPAMP ZERO-DRIFT 1 CIRC TSOT5
- 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：1V/µs
- Gain Bandwidth Product：2.5 MHz
- Current - Input Bias：30 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 V
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SOT-23-5 Thin, TSOT-23-5
- Supplier Device Package：TSOT-23-5
- -3db Bandwidth：2.5 MHz
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Overview
The AD8628AUJ-REEL7 is a single-channel, zero-drift operational amplifier from Analog Devices Inc., housed in a 5-lead TSOT package. It features rail-to-rail input and output swing with a supply voltage range of 2.7 V to 5.5 V. Key electrical parameters include a maximum offset voltage of 10 µV, an offset drift of 0.02 µV/°C, and a gain-bandwidth product of 2.5 MHz at 5 V. The device operates within an extended industrial temperature range of -40°C to +125°C.
Feature Summary
- Utilizes a patented ping-pong auto-zeroing and chopping topology to eliminate 1/f noise while maintaining low broadband noise levels.
- Provides rail-to-rail input and output capability without phase reversal when inputs remain within supply rails.
- Features extremely fast overload recovery time due to internal settling occurring within two clock cycles after saturation.
Applications
- Automotive sensors
- Pressure and position sensors
- Strain gage amplifiers
- Medical instrumentation
- Thermocouple amplifiers
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and packing quantity. Ensure the component meets RoHS compliance requirements for your target market. Confirm that the automotive qualification status aligns with your application needs, as commercial and automotive grades may have distinct specifications.
Selection Notes
Select this component for applications requiring high DC precision and ultralow drift over wide temperature ranges. The rail-to-rail I/O simplifies biasing in single-supply systems. Consider the 5-lead TSOT package for space-constrained designs where standard SOT-23 or SOIC packages are too large.
Part Context
This part belongs to the AD8628/AD8629/AD8630 family of zero-drift, single-supply, rail-to-rail input/output operational amplifiers. The AD8628 variant specifically offers a single channel configuration, distinguishing it from the dual-channel AD8629 and quad-channel AD8630 models within the same series.
Replacement Considerations
Direct substitutes within the same package and pinout include other AD8628 variants such as AD8628ARTZ-REEL7 (SOT-23) or AD8628ARZ-REEL7 (SOIC). Automotive qualified versions like AD8628WAUJZ-RL offer similar performance with controlled manufacturing for automotive reliability.
FAQ
Does the AD8628 experience output phase reversal?
No, the AD8628 is designed to prevent output phase reversal provided that both inputs are maintained within the supply voltages.
How does the AD8628 handle 1/f noise?
The internal auto-zeroing mechanism corrects DC and low-frequency offsets, effectively eliminating 1/f noise errors that typically plague DC-coupled measurements.
