MAX4461UESA Equivalent & Substitute Parts

Part Overview

The MAX4461UESA is an instrumentation amplifier manufactured by Analog Devices Inc./Maxim Integrated, designed for precision signal conditioning applications requiring rail-to-rail output capability. This device integrates one instrumentation amplifier circuit in an 8-SOIC surface mount package.

The MAX4461UESA is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications currently utilizing this component.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Instrumentation	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	0.5	V/µs
Gain Bandwidth Product	2.5	MHz
-3dB Bandwidth	2.5	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	50	µV
Current - Supply	800	µA
Current - Output / Channel	150	mA
Voltage - Supply Span (Min)	2.85	V
Voltage - Supply Span (Max)	5.25	V
Operating Temperature Range	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the MAX4461UESA are identified based on strict equivalence of electrical and mechanical parameters. The substitution logic is based on the following critical parameters:

Electrical Equivalence Criteria:

Amplifier Type: Instrumentation
Number of Circuits: 1
Output Type: Rail-to-Rail
Slew Rate: 0.5 V/µs
Gain Bandwidth Product: 2.5 MHz
-3dB Bandwidth: 2.5 MHz
Current - Input Bias: 1 pA
Current - Supply: 800 µA
Current - Output / Channel: 150 mA
Voltage - Supply Span (Min): 2.85 V
Voltage - Supply Span (Max): 5.25 V
Operating Temperature Range: -40°C to 85°C

Mechanical Equivalence Criteria:

Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Supplier Device Package: 8-SOIC

Compliance Criteria:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Parts meeting all electrical, mechanical, and compliance criteria are classified as direct substitutes.

Parameter Comparison

Parameter	MAX4461UESA (Main Part)	MAX4461UESA+ (Substitute)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Amplifier Type	Instrumentation	Instrumentation
Number of Circuits	1	1
Output Type	Rail-to-Rail	Rail-to-Rail
Slew Rate	0.5 V/µs	0.5 V/µs
Gain Bandwidth Product	2.5 MHz	2.5 MHz
-3dB Bandwidth	2.5 MHz	2.5 MHz
Current - Input Bias	1 pA	1 pA
Current - Supply	800 µA	800 µA
Current - Output / Channel	150 mA	150 mA
Voltage - Supply Span (Min)	2.85 V	2.85 V
Voltage - Supply Span (Max)	5.25 V	5.25 V
Operating Temperature Range	-40°C to 85°C	-40°C to 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Obsolete

Engineering Selection Recommendations

The MAX4461UESA+ is a direct substitute for the MAX4461UESA. Both parts are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical specifications, mechanical packaging, and compliance certifications.

The primary difference between these parts is packaging format. The MAX4461UESA+ is supplied in Tube packaging, while the MAX4461UESA specification does not specify a packaging format. Both parts are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity rating, indicating compatibility with standard handling and storage procedures.

Both parts are classified as obsolete. Selection between these parts should be based on packaging requirements and current inventory availability. The electrical performance and functional characteristics are equivalent for all applications.

Frequently Asked Questions (FAQ)

Q: Can MAX4461UESA+ be used as a direct replacement for MAX4461UESA?

A: Yes. The MAX4461UESA+ is a direct substitute. All electrical parameters, including slew rate, gain bandwidth product, input bias current, supply voltage range, and output current capability are identical. The 8-SOIC package dimensions and surface mount configuration are the same.

Q: What is the difference between MAX4461UESA and MAX4461UESA+?

A: The primary difference is packaging format. MAX4461UESA+ is supplied in Tube packaging. Both parts are otherwise electrically and mechanically equivalent.

Q: Are both parts RoHS compliant?

A: Yes. Both MAX4461UESA and MAX4461UESA+ are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity rating.

Q: What is the operating temperature range for these parts?

A: Both parts operate across the temperature range of -40°C to 85°C.

Q: What is the supply voltage range for these instrumentation amplifiers?

A: Both parts support a supply voltage span from 2.85 V (minimum) to 5.25 V (maximum).

Q: Are these parts still in production?

A: No. Both MAX4461UESA and MAX4461UESA+ are classified as obsolete products. Inventory availability should be verified with authorized distributors.

Q: What is the package type for these parts?

A: Both parts use 8-SOIC (0.154", 3.90mm Width) surface mount packaging.

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