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AD8539ARZ-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：-
- Slew Rate：0.4V/µs
- Gain Bandwidth Product：430 kHz
- Current - Input Bias：15 pA
- Voltage - Input Offset：5 µV
- Current - Supply：170µA (x2 Channels)
- Current - Output / Channel：25 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 AD8539ARZ-REEL is a dual-channel, low-power, precision auto-zero operational amplifier manufactured by Analog Devices Inc. It operates on a single supply voltage ranging from 2.7 V to 5.5 V or dual supplies of ±1.35 V to ±2.5 V. The device features a maximum input offset voltage of 16 µV and an extremely low drift of 0.03 µV/°C across the extended industrial temperature range of −40°C to +125°C. Key electrical specifications include a gain bandwidth product of 430 kHz, a slew rate of 0.4 V/µs, and a typical supply current of 210 µA per amplifier at 5 V. It is housed in an 8-lead narrow body SOIC package.
Feature Summary
- Auto-zero architecture ensures high DC precision with minimal offset voltage and drift over temperature variations.
- Low power consumption design suitable for battery-powered applications with supply currents under 215 µA per amplifier.
- High common-mode rejection ratio and power supply rejection ratio maintain signal integrity under varying conditions.
- Rail-to-rail output capability allows operation close to supply rails within specified load constraints.
Applications
- Mobile communications equipment
- Portable instrumentation devices
- Battery-powered sensor interfaces
- Temperature measurement systems
Procurement Notes
Verify that the ordering suffix REEL indicates tape-and-reel packaging rather than tube packaging when sourcing components. Confirm RoHS compliance status as indicated by the Z suffix in the base part number. Ensure the specific automotive qualification requirements are met if applicable, noting that standard commercial parts differ from qualified automotive models.
Selection Notes
Select this component for designs requiring high DC accuracy without external trimming. Consider the 430 kHz bandwidth and 0.4 V/µs slew rate for moderate-speed signal conditioning tasks. Evaluate the 8-lead SOIC package dimensions against available PCB real estate. Compare supply current characteristics against other low-power amplifiers to optimize overall system battery life.
Part Context
This part belongs to the AD8538/AD8539 family of precision amplifiers. The AD8539 variant specifically provides two independent amplifier channels within a single package, whereas the AD8538 offers a single channel. Both share identical core performance characteristics regarding offset voltage, drift, and power consumption.
Replacement Considerations
The AD8539ARMZ serves as a pin-compatible alternative utilizing an 8-lead MSOP package instead of the SOIC format. Designers must verify footprint compatibility and thermal dissipation differences between the narrow body SOIC and MSOP packages before substitution.
