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AD8542ARMZ
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Product Detailed Parameters
- Description：IC OPAMP GP 2 CIRCUIT 8MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- 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-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-MSOP
- -3db Bandwidth：-
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Overview
The AD8542ARMZ is a dual-channel CMOS operational amplifier featuring rail-to-rail input and output capabilities. It operates on a single supply voltage ranging from 2.7 V to 5.5 V with a typical supply current of 45 µA per amplifier. The device provides a gain bandwidth product of approximately 1 MHz and a slew rate of 0.92 V/µs at 5 V. Input bias current is typically 4 pA, ensuring high impedance performance. It is unity-gain stable and functions within an extended industrial temperature range of -40°C to +125°C.
Feature Summary
- Rail-to-rail input and output capability for maximizing dynamic range in low-voltage systems
- Very low input bias current suitable for high-impedance sensor interfaces
- Unity-gain stability without phase reversal issues
- Optimized AC performance at lower supply voltages
Applications
- ASIC input or output buffering
- Photodiode amplifiers
- Piezoelectric transducer amplifiers
- Active filters and gain stages
- Portable battery-powered instrumentation
Procurement Notes
Verify the package marking code AVA corresponds to the 8-Lead MSOP configuration. Confirm RoHS compliance indicated by the Z suffix. Ensure the ordering quantity matches the standard tube packing for this specific part number variant.
Selection Notes
Select this component when single-supply operation between 2.7 V and 5.5 V is required. It is appropriate for designs needing rail-to-rail signal swing and low power consumption. Consider the 8-lead MSOP package for space-constrained surface-mount layouts requiring extended temperature reliability.
Part Context
This dual-channel amplifier belongs to the AD854x family, which includes single (AD8541) and quad (AD8544) variants. All members share identical electrical characteristics but differ in channel count and package options. The AD8542 specifically integrates two independent amplifiers into one compact surface-mount footprint.
Replacement Considerations
Direct functional substitutes include AD8542ARZ (SOIC package) and AD8542ARU (TSSOP package). These parts share identical pinouts and specifications; only the physical housing differs.
