OP284CHIPS Equivalent & Substitute Parts

Part Overview

The OP284CHIPS is a general purpose operational amplifier die manufactured by Analog Devices Inc. This component is a rail-to-rail output amplifier containing two circuits, designed for linear amplification applications. The part is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are identified when equivalent electrical performance and functional characteristics are maintained across different packaging formats. The OP284CHIPS die form may require alternative packaging solutions for specific assembly and integration requirements, making substitute identification essential for design flexibility and supply chain optimization.

Key Parameters

Parameter	Value
Amplifier Type	General Purpose
Number of Circuits	2
Output Type	Rail-to-Rail
Slew Rate	4 V/µs
Gain Bandwidth Product	4.25 MHz
Current - Output / Channel	10 mA
Voltage - Supply Span (Min)	3 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-40°C to 125°C
Mounting Type	Surface Mount
Package / Case	Die
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the OP284CHIPS is determined by equivalence in the following core parameters:

Functional Equivalence Criteria:

Amplifier Type: General Purpose
Number of Circuits: 2
Output Type: Rail-to-Rail
Operating Temperature Range: -40°C to 125°C
Supply Voltage Compatibility: Minimum 3 V to Maximum 36 V

Compliance & Environmental Criteria:

RoHS3 Compliance
Moisture Sensitivity Level 1 (Unlimited)
Active Product Status

The substitute parts MAX44246ASA+ and MAX44246ASA+T maintain functional equivalence through identical circuit count, output type, and operating temperature specifications. Both substitutes operate within the supply voltage range of the main part and maintain full regulatory compliance. The primary distinction between the main part and substitutes is packaging format: the OP284CHIPS is supplied as a die, while MAX44246ASA+ and MAX44246ASA+T are supplied in 8-SOIC integrated circuit packages.

Parameter Comparison

Parameter	OP284CHIPS	MAX44246ASA+	MAX44246ASA+T
Manufacturer	Analog Devices Inc.	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Category	Linear, Amplifiers	Linear, Amplifiers	Linear, Amplifiers
Amplifier Type	General Purpose	General Purpose	General Purpose
Number of Circuits	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate	4 V/µs	3.8 V/µs	3.8 V/µs
Gain Bandwidth Product	4.25 MHz	5 MHz	5 MHz
Current - Output / Channel	10 mA	40 mA	40 mA
Voltage - Supply Span (Min)	3 V	2.7 V	2.7 V
Voltage - Supply Span (Max)	36 V	36 V	36 V
Operating Temperature	-40°C to 125°C	-40°C to 125°C	-40°C to 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	Die	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active

Engineering Selection Recommendations

Substitution Basis:

The MAX44246ASA+ and MAX44246ASA+T are functionally equivalent substitutes for the OP284CHIPS based on matching core amplifier specifications: dual-circuit general purpose configuration, rail-to-rail output architecture, and identical operating temperature range. Both substitutes maintain full RoHS3 compliance and unlimited moisture sensitivity rating, ensuring regulatory and environmental compatibility.

Packaging Considerations:

The OP284CHIPS is supplied as a bare die, requiring hybrid integration or die-attach assembly processes. The MAX44246ASA+ and MAX44246ASA+T are supplied in 8-SOIC integrated circuit packages, eliminating the need for custom die-attach procedures and enabling direct surface mount assembly on standard printed circuit boards.

Supply Voltage Compatibility:

The substitute parts operate at a minimum supply voltage of 2.7 V, providing enhanced low-voltage capability compared to the main part's 3 V minimum. Both maintain the 36 V maximum supply voltage specification, ensuring compatibility with existing power supply designs.

Performance Characteristics:

The substitute parts deliver higher output current capability (40 mA per channel versus 10 mA) and increased gain bandwidth product (5 MHz versus 4.25 MHz), providing enhanced performance headroom for demanding applications. Slew rate is marginally lower (3.8 V/µs versus 4 V/µs), remaining suitable for general purpose amplification tasks.

Active Product Status:

All parts maintain Active product status, confirming ongoing manufacturing support and supply availability.

Frequently Asked Questions (FAQ)

Q: Can MAX44246ASA+ and MAX44246ASA+T be used interchangeably with OP284CHIPS?

A: MAX44246ASA+ and MAX44246ASA+T are functionally equivalent substitutes for OP284CHIPS in applications requiring dual-circuit general purpose rail-to-rail amplification. The primary difference is packaging: OP284CHIPS is a die requiring custom assembly, while MAX44246ASA+ and MAX44246ASA+T are integrated circuits in 8-SOIC packages suitable for standard surface mount assembly.

Q: What are the key electrical parameters that determine substitution compatibility?

A: Substitution compatibility is determined by: amplifier type (general purpose), circuit count (2), output type (rail-to-rail), operating temperature range (-40°C to 125°C), and supply voltage span (3 V to 36 V minimum/maximum). All three parts meet these criteria.

Q: Are there differences in output current capability between the main part and substitutes?

A: Yes. The OP284CHIPS provides 10 mA output current per channel, while MAX44246ASA+ and MAX44246ASA+T provide 40 mA per channel. This higher output current in the substitutes enables driving more demanding loads without additional buffering stages.

Q: Do the substitute parts meet the same compliance standards as OP284CHIPS?

A: Yes. MAX44246ASA+ and MAX44246ASA+T are both RoHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the compliance profile of OP284CHIPS.

Q: What is the difference between MAX44246ASA+ and MAX44246ASA+T packaging?

A: MAX44246ASA+ is supplied in Tube packaging, while MAX44246ASA+T is supplied in Cut Tape (CT) and Digi-Reel® packaging. Both use identical 8-SOIC package geometry and electrical specifications. The packaging difference reflects distribution format and quantity per reel.

Q: Can OP284CHIPS be directly replaced on a printed circuit board designed for MAX44246ASA+?

A: No. OP284CHIPS is a bare die requiring hybrid integration assembly, while MAX44246ASA+ and MAX44246ASA+T are packaged integrated circuits with defined pin configurations for surface mount assembly. PCB layout and assembly processes differ significantly between die and packaged component implementations.

Q: What is the minimum supply voltage for each part?

A: OP284CHIPS requires a minimum supply voltage of 3 V. MAX44246ASA+ and MAX44246ASA+T operate at a lower minimum of 2.7 V, providing enhanced low-voltage application capability.

Q: Are all three parts currently in active production?

A: Yes. OP284CHIPS, MAX44246ASA+, and MAX44246ASA+T all maintain Active product status, confirming ongoing manufacturing and supply availability.

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