MAX6198AESA Equivalent & Substitute Parts

Part Overview

The MAX6198AESA is a series voltage reference IC manufactured by Analog Devices Inc./Maxim Integrated, delivering a fixed 4.096V output with ±0.05% tolerance. This Surface Mount device in 8-SOIC packaging is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates across -40°C to 85°C with 500 µA output current capability and 35 µA supply current.

Key Parameters

Parameter	Value
Output Voltage (Fixed)	4.096V
Output Current	500 µA
Tolerance	±0.05%
Temperature Coefficient	5 ppm/°C
Noise (0.1Hz to 10Hz)	100 µVp-p
Noise (10Hz to 10kHz)	200 µVrms
Input Voltage Range	4.296V ~ 12.6V
Supply Current	35 µA
Operating Temperature	-40°C ~ 85°C
Package	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution for the MAX6198AESA is determined by the following critical parameters: fixed output voltage of 4.096V, 8-SOIC package compatibility, Surface Mount mounting type, and operating temperature range. The substitute parts are grouped into two categories:

Direct Substitutes (Identical Electrical Specifications): Parts maintaining all key electrical parameters including 500 µA output current, ±0.05% tolerance, 5 ppm/°C temperature coefficient, and identical noise characteristics. These parts differ only in product status or packaging format.

Parametric Equivalents (Functional Compatibility with Specification Variations): Parts that deliver the same 4.096V fixed output and 8-SOIC package but with relaxed tolerance (±0.07%), higher output current (5 mA), and extended operating temperature range. These parts are functionally compatible for applications where the tighter specifications of the original part are not required.

Parameter Comparison

Parameter	MAX6198AESA	MAX6198AESA+	MAX6198AESA/V+	ADR292ERZ	ADR292ERZ-REEL
Output Voltage	4.096V	4.096V	4.096V	4.096V	4.096V
Output Current	500 µA	500 µA	500 µA	5 mA	5 mA
Tolerance	±0.05%	±0.05%	±0.05%	±0.07%	±0.07%
Temperature Coefficient	5 ppm/°C	5 ppm/°C	5 ppm/°C	8 ppm/°C	8 ppm/°C
Noise (0.1Hz to 10Hz)	100 µVp-p	100 µVp-p	100 µVp-p	12 µVp-p	12 µVp-p
Input Voltage Range	4.296V ~ 12.6V	4.296V ~ 12.6V	4.296V ~ 12.6V	5V ~ 15V	5V ~ 15V
Supply Current	35 µA	35 µA	35 µA	18 µA	18 µA
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C
Package	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Performance): MAX6198AESA+ is the primary substitute, maintaining all electrical specifications while offering Active product status and ROHS3 compliance. This part is available in Tube packaging. MAX6198AESA/V+ provides identical electrical performance with Automotive grade qualification and AEC-Q100 certification, suitable for automotive applications requiring enhanced reliability standards.

For Functional Equivalence with Enhanced Specifications: ADR292ERZ and ADR292ERZ-REEL deliver the same 4.096V output in 8-SOIC packaging with improved performance characteristics including lower noise floor (12 µVp-p vs. 100 µVp-p), reduced supply current (18 µA vs. 35 µA), and extended operating temperature range (-40°C to 125°C). These parts accept relaxed tolerance (±0.07%) and higher temperature coefficient (8 ppm/°C) but provide 10× higher output current (5 mA). ADR292ERZ-REEL is packaged in Tape & Reel format for high-volume production.

All substitute parts maintain Surface Mount compatibility and identical 8-SOIC package dimensions, enabling direct PCB layout compatibility.

Frequently Asked Questions (FAQ)

Q: Can MAX6198AESA+ be used as a direct replacement for MAX6198AESA?

A: Yes. MAX6198AESA+ maintains identical electrical specifications including 4.096V output, ±0.05% tolerance, 5 ppm/°C temperature coefficient, and 500 µA output current. The primary differences are Active product status and ROHS3 compliance. Packaging differs (Tube vs. unspecified), but the 8-SOIC package dimensions are identical.

Q: What are the key differences between MAX6198AESA and ADR292ERZ?

A: Both deliver 4.096V in 8-SOIC packaging. ADR292ERZ has relaxed tolerance (±0.07% vs. ±0.05%), higher temperature coefficient (8 ppm/°C vs. 5 ppm/°C), but offers superior noise performance (12 µVp-p vs. 100 µVp-p), lower supply current (18 µA vs. 35 µA), 10× higher output current (5 mA vs. 500 µA), and extended temperature range (-40°C to 125°C vs. -40°C to 85°C).

Q: Is MAX6198AESA/V+ suitable for automotive applications?

A: Yes. MAX6198AESA/V+ carries Automotive grade designation and AEC-Q100 qualification, meeting automotive reliability and qualification standards while maintaining identical electrical performance to MAX6198AESA.

Q: What is the difference between ADR292ERZ and ADR292ERZ-REEL?

A: Both parts are electrically identical. ADR292ERZ is packaged in Tube format, while ADR292ERZ-REEL is packaged in Tape & Reel (TR) format. Selection depends on production volume and assembly equipment compatibility.

Q: Can I use ADR292ERZ in applications requiring ±0.05% tolerance?

A: No. ADR292ERZ specifies ±0.07% tolerance, which exceeds the ±0.05% requirement of MAX6198AESA. Use MAX6198AESA+ or MAX6198AESA/V+ for tolerance-critical applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. MAX6198AESA+ (ROHS3 Compliant), MAX6198AESA/V+ (ROHS3 Compliant), ADR292ERZ (ROHS3 Compliant), and ADR292ERZ-REEL (ROHS3 Compliant) all meet ROHS3 requirements. The original MAX6198AESA is RoHS non-compliant.

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