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AD8542ARZ-REEL
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Product Detailed Parameters
- Description：IC OPAMP GP 2 CIRCUIT 8SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：General Purpose
- Number of Circuits：2
- Output Type：Rail-to-Rail
- Slew Rate：0.92V/µs
- Gain Bandwidth Product：1 MHz
- Current - Input Bias：4 pA
- Voltage - Input Offset：1 mV
- Current - Supply：45µA (x2 Channels)
- 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 AD8542ARZ-REEL is a dual-channel CMOS rail-to-rail general-purpose amplifier from Analog Devices. It operates on a single supply ranging from 2.7 V to 5.5 V with a typical supply current of 45 µA per amplifier. The device features a gain bandwidth product of approximately 1 MHz and an input bias current as low as 4 pA. It provides unity gain stability, no phase reversal, and output currents up to 30 mA at 5 V. The component is specified over an extended industrial temperature range of -40°C to +125°C.
Feature Summary
- Dual-channel configuration with rail-to-rail input and output capabilities for single-supply systems.
- Low power consumption of 45 µA per amplifier combined with 1 MHz bandwidth.
- Extremely low input bias current of 4 pA suitable for high source impedance applications.
- Unity gain stable operation without phase reversal issues.
Applications
- ASIC input or output amplifiers
- Sensor interfaces
- Piezoelectric transducer amplifiers
- Medical instrumentation
- Portable systems
Procurement Notes
Verify the specific package marking code AVA for the 8-Lead MSOP variant when sourcing. Confirm RoHS compliance status indicated by the Z suffix in the part number. Ensure the reel quantity matches production requirements, typically 3000 units for this packaging option. Cross-reference the revision history to ensure compatibility with latest design specifications.
Selection Notes
Select this component for designs requiring low power consumption alongside moderate bandwidth. The dual-channel architecture reduces board space compared to single-channel alternatives. Verify that the 45 µA quiescent current aligns with battery life targets. Consider the 8-Lead MSOP package dimensions for PCB layout constraints.
Part Context
This part belongs to the AD854x family, which includes single (AD8541), dual (AD8542), and quad (AD8544) channel variants. All share identical electrical characteristics but differ in channel count and package options. The AD8542 specifically offers two amplifiers in compact surface-mount packages like SOIC, MSOP, and TSSOP.
Replacement Considerations
Direct functional substitutes within the same family include AD8541ARZ-REEL for single-channel needs and AD8544ARZ-REEL for four-channel requirements. Other packages such as AD8542ARMZ-REEL offer the same electrical performance in different physical footprints.
