MAX417CPA Equivalent & Substitute Parts

Part Overview

The MAX417CPA is a general purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, featuring two independent circuits in an 8-DIP through-hole package. This device is classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations. The MAX417CPA operates as a rail-to-rail output amplifier with low input bias current and moderate bandwidth characteristics suitable for general signal conditioning applications.

Substiute Parts

MAX417CPA

Analog Devices Inc./Maxim IntegratedIn Stock: 4214MAX417CPA Datasheet

Current PartRFQ

LMC6042AIN/NOPB

Texas InstrumentsIn Stock: 1611LMC6042AIN/NOPB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX417CPA is determined by strict alignment of the following critical parameters:

Package Compatibility: Both the main part and substitute must utilize 8-DIP through-hole packaging with identical 0.300" (7.62mm) pitch to ensure direct socket compatibility without PCB redesign.

Circuit Configuration: The substitute must contain exactly two independent amplifier circuits to match the dual-channel architecture of the MAX417CPA.

Output Architecture: Rail-to-rail output capability is required to maintain voltage swing characteristics across the specified supply range.

Electrical Operating Range: The substitute supply voltage span must encompass or exceed the 2.5V to 10V range of the original device to ensure operation across all intended applications.

Input and Output Characteristics: Input bias current, input offset voltage, and output current per channel establish the signal fidelity and drive capability requirements for functional equivalence.

The LMC6042AIN/NOPB from Texas Instruments satisfies these substitution criteria through identical package geometry, dual-circuit configuration, and rail-to-rail output specification. Differences in amplifier technology (CMOS versus bipolar), slew rate, and bandwidth do not preclude substitution when the application requirements fall within the LMC6042AIN/NOPB performance envelope.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The MAX417CPA is classified as obsolete, indicating discontinued manufacturing and limited availability. The LMC6042AIN/NOPB carries a Last Time Buy status, indicating a defined end-of-life window with controlled inventory. For new designs or long-term production support, the LMC6042AIN/NOPB provides a defined transition path with extended availability relative to the MAX417CPA.

Compliance and Certification: The LMC6042AIN/NOPB achieves ROHS3 compliance, whereas the MAX417CPA is RoHS non-compliant. Both devices carry identical REACH Unaffected and EAR99 ECCN classifications. For applications subject to RoHS regulatory requirements, the LMC6042AIN/NOPB satisfies compliance mandates.

Supply Voltage Range: The LMC6042AIN/NOPB minimum supply voltage is 4.5V, exceeding the MAX417CPA minimum of 2.5V. Applications operating below 4.5V supply voltage cannot use the LMC6042AIN/NOPB as a direct substitute. The maximum supply voltage of the LMC6042AIN/NOPB (15.5V) exceeds the MAX417CPA (10V), providing expanded operating range for higher voltage applications.

Performance Trade-offs: The LMC6042AIN/NOPB exhibits lower slew rate (0.02V/µs versus 0.08V/µs) and reduced gain bandwidth product (100 kHz versus 150 kHz). Applications requiring high-speed transient response or wide bandwidth operation must evaluate whether these reduced performance metrics remain acceptable. The LMC6042AIN/NOPB provides superior input bias current characteristics (0.002 pA versus 0.1 pA), beneficial for high-impedance signal sources.

Output Drive Capability: The MAX417CPA provides 600 µA output current per channel, while the LMC6042AIN/NOPB provides 40 µA per channel. Applications requiring high output current must confirm that the reduced drive capability of the LMC6042AIN/NOPB is sufficient, or employ external buffering stages.

Frequently Asked Questions (FAQ)

Q: Can the LMC6042AIN/NOPB directly replace the MAX417CPA in existing PCB designs?

A: Direct socket replacement is possible only if the application supply voltage is 4.5V or higher and output current requirements do not exceed 40 µA per channel. The identical 8-DIP package geometry permits physical substitution without PCB modification. Functional verification is required to confirm performance adequacy within the specific application context.

Q: What are the primary electrical differences between these devices?

A: The LMC6042AIN/NOPB is a CMOS amplifier with significantly lower input bias current (0.002 pA versus 0.1 pA) and higher supply current consumption (26 µA versus 1 µA). The MAX417CPA provides higher slew rate (0.08V/µs versus 0.02V/µs), greater bandwidth (150 kHz versus 100 kHz), and higher output current capability (600 µA versus 40 µA per channel). Input offset voltage is identical at 1 mV for both devices.

Q: Is the LMC6042AIN/NOPB suitable for low-voltage applications below 4.5V?

A: No. The LMC6042AIN/NOPB minimum supply voltage specification is 4.5V. Applications requiring operation at 2.5V to 4.4V supply voltage cannot use this substitute. Alternative components with lower minimum supply voltage specifications must be identified for such applications.

Q: What is the impact of reduced output current on system design?

A: The LMC6042AIN/NOPB provides 40 µA maximum output current per channel compared to 600 µA for the MAX417CPA. Applications driving capacitive loads, low-impedance loads, or requiring high current output must employ external buffer amplifiers or current-boosting stages. High-impedance load applications (>10 kΩ) are typically unaffected by this reduction.

Q: How do the temperature operating ranges compare?

A: The MAX417CPA operates from 0°C to 70°C, while the LMC6042AIN/NOPB operates from -40°C to 85°C. The LMC6042AIN/NOPB provides extended low-temperature operation and higher maximum temperature rating, suitable for industrial and automotive temperature environments.

Q: What packaging considerations apply to this substitution?

A: Both devices utilize 8-DIP through-hole packaging with 0.300" (7.62mm) pitch. No PCB layout modifications are required for physical substitution. The LMC6042AIN/NOPB is supplied in tube packaging, while the MAX417CPA packaging format is not specified in the provided data.

Q: Are there RoHS compliance implications for this substitution?

A: The MAX417CPA is RoHS non-compliant, while the LMC6042AIN/NOPB achieves ROHS3 compliance. For applications subject to RoHS directives or customer requirements, substitution with the LMC6042AIN/NOPB resolves compliance status. Both devices maintain identical REACH Unaffected classification.