OP484ES Equivalent & Substitute Parts

Part Overview

The OP484ES is a general-purpose operational amplifier manufactured by Analog Devices Inc., configured as a 4-circuit rail-to-rail amplifier in a 14-SOIC surface mount package. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production requirements. The OP484ES operates across a wide supply voltage range of 3V to 36V and maintains performance across the industrial temperature range of -40°C to 125°C. Equivalent and substitute parts are selected based on matching electrical characteristics, package compatibility, and functional equivalence for general-purpose amplification applications.

Key Parameters

Parameter	OP484ES Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Slew Rate	4	V/µs
Gain Bandwidth Product	4.25	MHz
Current - Input Bias	80	nA
Voltage - Input Offset	150	µV
Current - Output / Channel	10	mA
Voltage - Supply Span (Min)	3	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	-40 to 125	°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitute parts for the OP484ES are identified based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

Amplifier type: General purpose
Circuit count: 4 circuits per package
Output configuration: Rail-to-rail
Supply voltage range: Minimum 3V, maximum 36V
Operating temperature range: -40°C to 125°C
Mounting type: Surface mount
Package type: 14-pin SOIC or compatible footprint

Direct Equivalent (Same Package): The OP484ESZ represents the direct equivalent of the OP484ES, differing only in packaging format (tube versus unspecified original packaging) and product status (active versus obsolete). All electrical parameters remain identical.

Functional Equivalents (Different Package): The LT1496 series (LT1496HS#PBF, LT1496HS#TRPBF, LT1496IS#PBF, LT1496IS#TRPBF, LT1496CS#PBF, LT1496CS#TRPBF) provides functional equivalence with identical package footprint (14-SOIC) but with different electrical performance characteristics. These parts maintain rail-to-rail output, 4-circuit configuration, and surface mount compatibility. However, they exhibit significantly lower slew rate (0.001V/µs versus 4V/µs) and gain bandwidth product (2.7 kHz versus 4.25 MHz), with reduced supply current and output current per channel.

Alternative Performance Class: The ADA4084-4ARUZ and OPA4171AQDRQ1 represent higher-performance alternatives with enhanced electrical specifications. These parts maintain the 4-circuit general-purpose amplifier configuration and rail-to-rail output but employ different package types (14-TSSOP and 14-SOIC respectively) and offer improved slew rate, gain bandwidth product, and output current capabilities.

Parameter Comparison

Parameter	OP484ES	OP484ESZ	LT1496HS#PBF	LT1496IS#PBF	ADA4084-4ARUZ	OPA4171AQDRQ1
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	4	4	4	4	4	4
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	4	4	0.001	0.001	4.6	1.5
Gain Bandwidth Product (MHz)	4.25	4.25	0.0027	0.0027	15.9	3
Current - Input Bias (nA)	80	80	0.25	0.25	0.14	0.008
Voltage - Input Offset (µV)	150	150	200	200	60	250
Current - Output / Channel (mA)	10	10	1.5	1.5	30	35
Voltage - Supply Span Min (V)	3	3	2.2	2.2	3	4.5
Voltage - Supply Span Max (V)	36	36	36	36	30	36
Operating Temperature (°C)	-40 to 125	-40 to 125	-40 to 125	-40 to 85	-40 to 125	-40 to 125
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-TSSOP	14-SOIC
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (Recommended for Pin-Compatible Substitution):

The OP484ESZ is the primary recommended substitute for the OP484ES. This part maintains identical electrical specifications, package footprint, and operating characteristics while offering active product status and ROHS3 compliance. The OP484ESZ is available in tube packaging and represents a direct functional equivalent suitable for immediate design substitution without circuit modification.

Functional Equivalents with Reduced Performance:

The LT1496 series (LT1496HS#PBF, LT1496HS#TRPBF, LT1496IS#PBF, LT1496IS#TRPBF, LT1496CS#PBF, LT1496CS#TRPBF) provides pin-compatible substitution with identical 14-SOIC package footprint. These parts are suitable for applications where reduced slew rate and gain bandwidth product are acceptable. The LT1496HS variants support the full industrial temperature range (-40°C to 125°C), while LT1496IS variants are limited to -40°C to 85°C. All LT1496 variants offer ROHS3 compliance and active product status.

Higher-Performance Alternatives:

The ADA4084-4ARUZ offers enhanced electrical performance with higher slew rate (4.6V/µs) and gain bandwidth product (15.9 MHz) but requires a different package footprint (14-TSSOP). This part is suitable for applications requiring improved dynamic response and is ROHS3 compliant with active product status. Maximum supply voltage is limited to 30V compared to 36V for the OP484ES.

The OPA4171AQDRQ1 (Texas Instruments) provides an alternative with active product status, ROHS3 compliance, and automotive-grade qualification (AEC-Q100). This part maintains 14-SOIC package compatibility but requires minimum supply voltage of 4.5V, which may limit applicability in designs requiring 3V operation. Output current per channel (35 mA) exceeds the OP484ES specification.

Compliance Considerations:

All recommended substitute parts are ROHS3 compliant and REACH unaffected. The OPA4171AQDRQ1 carries automotive-grade qualification suitable for applications requiring AEC-Q100 certification.

Frequently Asked Questions (FAQ)

Q: Can the OP484ESZ be used as a direct replacement for the OP484ES?

A: Yes. The OP484ESZ is electrically and functionally identical to the OP484ES. Both parts share identical electrical specifications, package footprint (14-SOIC), and operating characteristics. The primary difference is product status (active versus obsolete) and packaging format (tube). No circuit modifications are required.

Q: What are the key differences between the OP484ES and LT1496 series substitutes?

A: The LT1496 series maintains identical package footprint and 4-circuit configuration but exhibits significantly different electrical performance. The LT1496 series has substantially lower slew rate (0.001V/µs versus 4V/µs) and gain bandwidth product (2.7 kHz versus 4.25 MHz). The LT1496 series also features lower supply current and reduced output current per channel (1.5 mA versus 10 mA). These differences make the LT1496 series suitable only for low-frequency applications where the reduced performance is acceptable.

Q: Is the ADA4084-4ARUZ a pin-compatible substitute?

A: No. The ADA4084-4ARUZ uses a 14-TSSOP package instead of the 14-SOIC package of the OP484ES. While both are 14-pin surface mount packages, the pin pitch and physical dimensions differ, requiring PCB layout modifications. However, the electrical functionality is compatible for general-purpose amplification applications.

Q: What is the minimum supply voltage requirement for each substitute?

A: The OP484ES and OP484ESZ support operation at 3V minimum supply voltage. The LT1496 series supports 2.2V minimum, providing greater flexibility for low-voltage applications. The ADA4084-4ARUZ supports 3V minimum. The OPA4171AQDRQ1 requires 4.5V minimum supply voltage, which may restrict its use in 3V designs.

Q: Which substitute offers the best high-frequency performance?

A: The ADA4084-4ARUZ provides the highest gain bandwidth product (15.9 MHz) and slew rate (4.6V/µs), making it suitable for applications requiring enhanced dynamic response. The OPA4171AQDRQ1 offers intermediate performance (3 MHz gain bandwidth product, 1.5V/µs slew rate) while maintaining 14-SOIC package compatibility.

Q: Are all substitute parts RoHS compliant?

A: Yes. All recommended substitute parts (OP484ESZ, LT1496 series, ADA4084-4ARUZ, and OPA4171AQDRQ1) are ROHS3 compliant and REACH unaffected.

Q: What is the operating temperature range for each substitute?

A: The OP484ES, OP484ESZ, LT1496HS variants, and OPA4171AQDRQ1 support the full industrial temperature range of -40°C to 125°C. The LT1496IS and LT1496CS variants are limited to -40°C to 85°C and 0°C to 70°C respectively. The ADA4084-4ARUZ supports -40°C to 125°C.

Q: Can the OPA4171AQDRQ1 be used in automotive applications?

A: Yes. The OPA4171AQDRQ1 carries automotive-grade qualification and AEC-Q100 certification, making it suitable for automotive applications. However, the minimum supply voltage requirement of 4.5V must be verified against specific application requirements.

Q: What packaging options are available for the substitute parts?

A: The OP484ESZ is available in tube packaging. The LT1496 series is available in both tube and tape & reel (TR) packaging options. The ADA4084-4ARUZ is available in tube packaging. The OPA4171AQDRQ1 is available in cut tape (CT) and Digi-Reel packaging. Selection depends on production volume and assembly requirements.

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