AD8613AKSZ

Overview

The UMW AD8613AKSZ is a single-channel, low-cost micropower operational amplifier featuring rail-to-rail input and output capabilities. It operates from a single supply of 1.8 V to 5.5 V or dual supplies of ±0.9 V to ±2.75 V. Key electrical specifications include a maximum offset voltage of 2.2 mV, a maximum input bias current of 1 pA, and a typical noise density of 22 nV/√Hz at 10 kHz. The device draws a maximum supply current of 50 μA per amplifier over the temperature range. It offers a gain-bandwidth product of 400 kHz and unity-gain stability without phase reversal.

Feature Summary

• Rail-to-rail input and output operation enables full signal swing in low-voltage single-supply systems.
• Micropower consumption with very low input bias current suitable for portable and loop-powered applications.
• Low noise performance with minimal offset voltage drift for precision signal conditioning.
• Automotive qualification and guaranteed no phase reversal during overload conditions.

Applications

• Battery-powered instrumentation
• Multipole filters
• Current shunt sense circuits
• ADC predrivers and DAC drivers
• Low power ASIC input or output amplifiers

Procurement Notes

Verify that the specific ordering code matches the required package type, as the AD8613 series includes variants such as AKSZ (SC-70-5), ARZ (SOP-8), and others. Confirm automotive qualification requirements if applicable to your design. Ensure the selected variant meets the thermal and mechanical specifications for your intended operating environment before finalizing procurement.

Selection Notes

Select this component when designing low-power, single-supply systems requiring rail-to-rail signal handling. It is appropriate for battery-operated devices where minimizing quiescent current is critical. Consider the SC-70-5 package for space-constrained layouts. Verify that the 400 kHz bandwidth and 2.2 mV offset voltage meet the accuracy and speed requirements of the target application circuit.

Part Context

The AD8613 is part of a family of micropower CMOS operational amplifiers manufactured by UMT Semiconductor Co., Limited. This series includes single (AD8613), dual (AD8617), and quad (AD8619) configurations sharing identical electrical characteristics. The AD8613AKSZ specifically denotes the single-channel version housed in an SC-70-5 surface-mount package.

Replacement Considerations

Direct functional replacements within the same family include the AD8617 (dual channel) and AD8619 (quad channel). Cross-manufacturer equivalents should be verified against the rail-to-rail input/output specifications, supply voltage range, and micropower consumption limits to ensure compatibility.

FAQ

Does the AD8613AKSZ experience phase reversal during input overload?

No, the device is designed to be free of phase reversal even when the input voltage exceeds the common-mode range.

What is the maximum supply voltage for the AD8613AKSZ?

The absolute maximum supply voltage rating is 6 V, though it is fully specified for operation up to 5.5 V.