OP293FSZ-REEL Equivalent & Substitute Parts

Part Overview

The OP293FSZ-REEL is a general-purpose operational amplifier manufactured by Analog Devices Inc., packaged in 8-SOIC surface mount configuration. This single-circuit amplifier operates across a wide supply voltage range of 1.7 V to 36 V and maintains functionality across industrial temperature ranges from -40°C to 125°C. The device is actively produced and ROHS3 compliant, making it suitable for applications requiring low-power, general-purpose amplification in compact form factors.

Substitute parts become necessary when the OP293FSZ-REEL experiences supply constraints, extended lead times, or when design requirements permit operation with alternative amplifier architectures that maintain functional compatibility within the application's electrical and mechanical constraints.

Key Parameters

Parameter	OP293FSZ-REEL	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Slew Rate	0.015	V/µs
Gain Bandwidth Product	35	kHz
Current - Input Bias	20	nA
Voltage - Input Offset	250	µV
Current - Output / Channel	25	mA
Voltage - Supply Span (Min)	1.7	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	-40 to 125	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitution compatibility for the OP293FSZ-REEL is determined by the following critical parameters:

Mechanical Compatibility: All substitute parts must use the 8-SOIC surface mount package with 0.154" (3.90mm) width to ensure PCB footprint compatibility without layout modifications.

Electrical Compatibility: Substitute parts must operate within the application's supply voltage range. The OP293FSZ-REEL operates from 1.7 V to 36 V; substitute parts must support this range or a subset thereof that encompasses the application's actual operating voltages.

Functional Compatibility: The OP293FSZ-REEL is a single-circuit general-purpose amplifier. Substitute parts with two circuits (dual amplifiers) are functionally compatible when only one circuit is utilized, provided the unused circuit does not create system-level issues such as excessive power consumption or thermal effects.

Performance Parameters: Input bias current (20 nA), input offset voltage (250 µV), and output current capability (25 mA) establish baseline performance expectations. Substitute parts with equal or superior specifications maintain functional equivalence.

Temperature Range: The OP293FSZ-REEL operates from -40°C to 125°C. Substitute parts must support this full range or the specific subset required by the application.

Compliance & Status: All substitute parts must maintain ROHS3 compliance and active product status to ensure long-term availability and regulatory alignment.

Parameter Comparison

Parameter	OP293FSZ-REEL	LM258ADT	LM258DT	LM2904AYDT	LM2904DT	LM2904YDT	LM358ADT	LM358DT	MC33078DT
Manufacturer	Analog Devices	STMicroelectronics	STMicroelectronics	STMicroelectronics	Rohm Semiconductor	STMicroelectronics	STMicroelectronics	Rohm Semiconductor	STMicroelectronics
Number of Circuits	1	2	2	2	2	2	2	2	2
Slew Rate (V/µs)	0.015	0.6	0.6	0.6	0.3	0.6	0.6	0.3	7
Gain Bandwidth Product (kHz)	35	1100	1100	1100	700	700	1100	800	15000
Current - Input Bias (nA)	20	20	20	20	20	20	20	20	250
Voltage - Input Offset (µV)	250	1000	5000	1000	1000	2000	1000	1000	150
Current - Output / Channel (mA)	25	40	40	40	30	30	40	30	37
Voltage - Supply Span Min (V)	1.7	3	3	3	3	3	3	3	5
Voltage - Supply Span Max (V)	36	30	30	30	32	30	30	32	30
Operating Temperature (°C)	-40 to 125	-40 to 105	-40 to 105	-40 to 125	-40 to 125	-40 to 125	0 to 70	-40 to 85	-40 to 105
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Product Status	Active	Active	Active	Active	Not For New Designs	Active	Active	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Active Status, Full Temperature Range):

LM2904AYDT and LM2904YDT are the preferred substitutes for the OP293FSZ-REEL. Both devices maintain active product status, support the full -40°C to 125°C operating temperature range, and are ROHS3 compliant. These dual-circuit amplifiers provide superior slew rate (0.6 V/µs versus 0.015 V/µs) and gain bandwidth product (1.1 MHz versus 35 kHz) while maintaining 8-SOIC packaging. The LM2904AYDT carries AEC-Q100 automotive qualification, providing additional reliability assurance. Both devices operate within the OP293FSZ-REEL's supply voltage range (3 V to 30 V minimum, which is a subset of 1.7 V to 36 V).

Secondary Substitutes (Active Status, Limited Temperature Range):

LM258ADT and LM358ADT are active, ROHS3-compliant alternatives with 8-SOIC packaging. LM258ADT operates from -40°C to 105°C, and LM358ADT operates from 0°C to 70°C. Both provide 1.1 MHz gain bandwidth product and 0.6 V/µs slew rate. LM358ADT carries AEC-Q100 qualification. These devices are suitable for applications where the full -40°C to 125°C range is not required.

Not Recommended for New Designs:

LM2904DT (Rohm Semiconductor) carries "Not For New Designs" status and should not be selected for new applications. LM358DT (Rohm Semiconductor) is obsolete and unsuitable for production use.

High-Performance Alternative:

MC33078DT is an active, ROHS3-compliant alternative with significantly enhanced performance characteristics: 7 V/µs slew rate, 15 MHz gain bandwidth product, and 37 mA output current. However, this device requires a minimum 5 V supply (versus 1.7 V for the OP293FSZ-REEL) and operates only to 105°C. MC33078DT is suitable only for applications with higher performance requirements and 5 V minimum supply availability.

Frequently Asked Questions (FAQ)

Q: Can I use a dual-circuit amplifier (LM2904AYDT, LM258ADT) as a direct replacement for the single-circuit OP293FSZ-REEL?

A: Yes, mechanically and electrically. The dual-circuit devices use the same 8-SOIC package and operate within compatible voltage ranges. When only one amplifier circuit is required, the second circuit can remain unused. Ensure the application's PCB design does not create issues with the unused circuit (such as floating inputs causing excessive power consumption).

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

A: The OP293FSZ-REEL operates from 1.7 V minimum. Most substitute parts (LM258, LM2904, LM358 series) require 3 V minimum. MC33078DT requires 5 V minimum. Verify the application's actual supply voltage before selecting a substitute.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance status, matching the OP293FSZ-REEL's regulatory standing.

Q: Which substitute offers the best temperature range coverage?

A: LM2904AYDT and LM2904YDT both support -40°C to 125°C, matching the OP293FSZ-REEL's full operating range. LM258ADT supports -40°C to 105°C. LM358ADT is limited to 0°C to 70°C.

Q: What is the difference between LM2904AYDT and LM2904YDT?

A: Both devices are functionally equivalent with identical electrical specifications. LM2904AYDT carries AEC-Q100 automotive qualification; LM2904YDT does not. Select LM2904AYDT for automotive or high-reliability applications.

Q: Can I use MC33078DT in place of the OP293FSZ-REEL?

A: MC33078DT is mechanically compatible (8-SOIC package) but has different electrical characteristics: higher slew rate (7 V/µs), higher gain bandwidth product (15 MHz), higher input bias current (250 nA), and requires 5 V minimum supply. Use MC33078DT only if the application requires these enhanced performance characteristics and can provide 5 V minimum supply.

Q: Why should I avoid LM2904DT and LM358DT?

A: LM2904DT carries "Not For New Designs" status from Rohm Semiconductor, indicating discontinued support for new applications. LM358DT is obsolete. Both devices should not be selected for production designs due to uncertain long-term availability.

Q: Are there any package differences between the OP293FSZ-REEL and substitute parts?

A: All substitute parts use 8-SOIC (0.154", 3.90mm width) surface mount packaging, identical to the OP293FSZ-REEL. PCB footprints are directly compatible without modification.

Q: What is the significance of input offset voltage differences?

A: The OP293FSZ-REEL specifies 250 µV input offset voltage. Substitute parts range from 150 µV (MC33078DT) to 5000 µV (LM258DT). Lower offset voltage provides better precision in applications requiring accurate signal conditioning. Higher offset voltage may require additional calibration in precision applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message