LMC6572AIMX Equivalent & Substitute Parts

Part Overview

The LMC6572AIMX is a general purpose operational amplifier featuring dual circuits with push-pull, rail-to-rail output configuration in an 8-SOIC surface mount package, manufactured by Texas Instruments. This device is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility across key electrical parameters including supply voltage range, input bias current, slew rate, and output drive capability while accommodating the 8-SOIC package standard.

Substiute Parts

LMC6572AIMX

Texas InstrumentsIn Stock: 1386LMC6572AIMX Datasheet

Current PartRFQ

MAX4163ESA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 1347MAX4163ESA+T Datasheet

MFR RecommendedRFQ

MAX417ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 12652MAX417ESA+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LMC6572AIMX is determined by strict adherence to the following electrical and mechanical criteria:

Package Compatibility: All substitute parts must utilize the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure direct PCB layout compatibility without redesign.

Dual-Circuit Configuration: Substitute devices must contain exactly two operational amplifier circuits to match the original dual-channel architecture.

Rail-to-Rail Output: Substitute parts must provide rail-to-rail output capability to maintain signal swing performance across the supply voltage range.

Supply Voltage Range: Substitute parts must operate within a minimum supply voltage of 2.5 V or lower and a maximum supply voltage of 10 V or higher to ensure compatibility with existing power distribution designs. The LMC6572AIMX operates from 2.7 V to 11 V; substitutes operating from 2.5 V to 10 V remain functionally compatible for applications within the 2.7 V to 10 V overlap region.

Operating Temperature Range: Substitute parts must support the -40°C to 85°C operating temperature specification.

Input Bias Current: Substitute parts with input bias current specifications of 10 pA or lower maintain compatibility with high-impedance input circuit designs.

Input Offset Voltage: Substitute parts with input offset voltage of 500 µV or lower ensure equivalent DC accuracy performance.

Output Drive Current: Substitute parts must provide output current capability of 6 mA per channel or greater to support existing load impedance requirements.

The identified substitute parts, MAX4163ESA+T and MAX417ESA+, satisfy all mandatory substitution criteria while offering enhanced performance characteristics and active product status.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The LMC6572AIMX is classified as obsolete. Both substitute parts, MAX4163ESA+T and MAX417ESA+, maintain active product status with ongoing manufacturer support and availability.

Regulatory Compliance: The LMC6572AIMX is RoHS non-compliant. Both substitute parts achieve ROHS3 compliance, meeting current environmental and regulatory requirements for new designs and production environments subject to RoHS directives.

Supply Voltage Compatibility: Applications operating within the 2.7 V to 10 V supply voltage range are compatible with both substitute parts. Applications requiring operation above 10 V supply voltage are limited to the LMC6572AIMX; however, given its obsolete status, such applications require design modification or alternative component selection.

Current Consumption: MAX417ESA+ provides significantly reduced supply current consumption (1 µA total versus 160 µA for LMC6572AIMX), offering substantial power efficiency advantages in battery-powered or low-power applications. MAX4163ESA+T provides intermediate supply current consumption (25 µA total) with enhanced output drive capability (15 mA per channel).

Output Drive Capability: MAX4163ESA+T provides superior output current capability (15 mA per channel) compared to the LMC6572AIMX (6 mA per channel), supporting higher load impedance applications. MAX417ESA+ provides reduced output current capability (0.6 mA per channel), suitable only for high-impedance load applications.

Packaging and Availability: Both substitute parts are available in standard cut tape and reel packaging formats suitable for automated assembly processes. MAX417ESA+ demonstrates higher inventory availability (12,600 pieces) compared to MAX4163ESA+T (1,321 pieces).

Frequently Asked Questions (FAQ)

Q: Can MAX4163ESA+T or MAX417ESA+ be used as direct replacements for LMC6572AIMX without PCB modifications?

A: Yes, both substitute parts utilize identical 8-SOIC package geometry (0.154", 3.90mm Width) and pinout compatibility, enabling direct PCB substitution without layout redesign. Pin-for-pin compatibility is maintained across all signal and power connections.

Q: What is the primary difference between MAX4163ESA+T and MAX417ESA+ as substitutes?

A: MAX4163ESA+T provides higher output drive current (15 mA per channel) and moderate supply current consumption (25 µA total), suitable for applications requiring significant load drive capability. MAX417ESA+ provides ultra-low supply current consumption (1 µA total) with reduced output drive capability (0.6 mA per channel), optimized for power-constrained applications. Selection depends on specific load impedance and power budget requirements.

Q: Are there supply voltage limitations when substituting with MAX4163ESA+T or MAX417ESA+?

A: Both substitute parts operate from 2.5 V to 10 V supply voltage. The LMC6572AIMX operates from 2.7 V to 11 V. Applications requiring operation above 10 V supply voltage cannot use these substitutes. Applications operating within the 2.7 V to 10 V range are fully compatible.

Q: Do the substitute parts maintain equivalent input bias current performance?

A: Both substitute parts provide superior input bias current performance compared to the LMC6572AIMX. MAX4163ESA+T provides 1 pA input bias current, and MAX417ESA+ provides 0.1 pA input bias current, compared to 10 pA for the original part. This represents improved high-impedance input circuit compatibility.

Q: What are the regulatory compliance advantages of the substitute parts?

A: Both MAX4163ESA+T and MAX417ESA+ achieve ROHS3 compliance, whereas the LMC6572AIMX is RoHS non-compliant. This compliance status is mandatory for new product designs and manufacturing environments subject to RoHS directives in the European Union and equivalent regulatory jurisdictions.

Q: How do the slew rate and gain bandwidth product specifications compare?

A: The LMC6572AIMX provides 0.09 V/µs slew rate and 220 kHz gain bandwidth product. MAX4163ESA+T provides 0.115 V/µs slew rate and 200 kHz gain bandwidth product, offering slightly faster slew rate performance. MAX417ESA+ provides 0.08 V/µs slew rate and 150 kHz gain bandwidth product. For applications sensitive to signal rise time or frequency response, MAX4163ESA+T provides the most comparable performance envelope.

Q: Is the input offset voltage specification critical for substitution?

A: The LMC6572AIMX and MAX4163ESA+T both specify 500 µV input offset voltage, providing equivalent DC accuracy. MAX417ESA+ specifies 1 mV input offset voltage, representing a 2x increase. For precision DC applications requiring tight offset voltage control, MAX4163ESA+T maintains specification parity with the original part.