OP482GS-REEL7 Equivalent & Substitute Parts

Part Overview

The OP482GS-REEL7 is a J-FET operational amplifier featuring four independent circuits in a 14-SOIC surface mount package, manufactured by Analog Devices Inc. This device is classified as obsolete, indicating it has reached end-of-life status and is no longer in active production. The OP482GS-REEL7 operates across a wide supply voltage range of 9V to 36V with low input bias current of 3 pA and is suitable for precision analog signal processing applications requiring low input offset voltage and high input impedance characteristics.

Due to its obsolete status, identifying equivalent and substitute parts is necessary for design continuity, production support, and long-term system reliability. Substitute parts must maintain functional compatibility while meeting the electrical and mechanical requirements of the original design.

Key Parameters

Parameter	OP482GS-REEL7
Amplifier Type	J-FET
Number of Circuits	4
Slew Rate	9 V/µs
Gain Bandwidth Product	4 MHz
Current - Input Bias	3 pA
Voltage - Input Offset	200 µV
Current - Supply	210 µA (x4 Channels)
Current - Output / Channel	10 mA
Voltage - Supply Span (Min)	9 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-40°C ~ 85°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the OP482GS-REEL7 is determined by the following critical parameters:

Primary Substitution Criteria:

Amplifier Type: J-FET (required for low input bias current and high input impedance)
Number of Circuits: 4 (functional requirement for quad-channel operation)
Package / Case: 14-SOIC form factor (mechanical and PCB layout compatibility)
Gain Bandwidth Product: 4 MHz (frequency response specification)
Supply Voltage Range: Minimum 9V to maximum 36V (power supply compatibility)

Secondary Compatibility Parameters:

Slew Rate: 9 V/µs or higher (signal fidelity and transient response)
Input Bias Current: 3 pA or lower (precision analog applications)
Input Offset Voltage: 200 µV or lower (DC accuracy)
Operating Temperature Range: Must encompass -40°C to 85°C minimum

Substitute parts are grouped into two categories:

Direct Equivalent: OP482GSZ-REEL7 (Analog Devices Inc.) — identical electrical specifications with active product status and improved packaging options.

Functional Equivalents: J-FET quad operational amplifiers from alternative manufacturers (STMicroelectronics, Texas Instruments, onsemi) that meet or exceed the primary substitution criteria while maintaining 14-SOIC package compatibility.

Limited Compatibility Alternatives: General-purpose quad operational amplifiers that provide four circuits in 14-SOIC packaging but differ in amplifier topology (General Purpose vs. J-FET) or electrical performance characteristics.

Parameter Comparison

Parameter	OP482GS-REEL7	OP482GSZ-REEL7	LF247DT	LF347DT	LF347M/NOPB	LF347MX/NOPB	LM3900D	MC34074DR2G
Manufacturer	Analog Devices	Analog Devices	STMicroelectronics	STMicroelectronics	Texas Instruments	Texas Instruments	Texas Instruments	onsemi
Amplifier Type	J-FET	J-FET	J-FET	J-FET	J-FET	J-FET	General Purpose	General Purpose
Number of Circuits	4	4	4	4	4	4	4	4
Slew Rate (V/µs)	9	9	16	16	13	13	20	13
Gain Bandwidth Product (MHz)	4	4	4	3	4	4	2.5	4.5
Current - Input Bias (pA/nA)	3 pA	3 pA	20 pA	20 pA	50 pA	50 pA	30 nA	100 nA
Voltage - Input Offset (µV/mV)	200 µV	200 µV	3 mV	3 mV	5 mV	5 mV	Not Specified	1 mV
Current - Supply (mA x4 Channels)	0.21	0.21	1.4	1.4	7.2	7.2	6.2	1.9
Current - Output / Channel (mA)	10	10	40	40	Not Specified	Not Specified	10	30
Voltage - Supply Span Min (V)	9	9	44	44	10	10	4.4	3
Voltage - Supply Span Max (V)	36	36	44	44	36	36	32	44
Operating Temperature (°C)	-40 ~ 85	-40 ~ 85	-40 ~ 105	0 ~ 70	0 ~ 70	0 ~ 70	0 ~ 70	0 ~ 70
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC
Product Status	Obsolete	Active	Active	Active	Active	Active	Last Time Buy	Active
RoHS Status	Not Specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Tier 1 - Direct Replacement (Recommended):

OP482GSZ-REEL7 (Analog Devices Inc.) is the primary substitute for OP482GS-REEL7. This part maintains identical electrical specifications including J-FET amplifier topology, 4 MHz gain bandwidth product, 3 pA input bias current, and 9V to 36V supply voltage range. The OP482GSZ-REEL7 is in active production status with ROHS3 compliance and improved packaging availability (Cut Tape & Digi-Reel). This substitution requires no circuit redesign or performance verification.

Tier 2 - J-FET Functional Equivalents (Compatible with Design Review):

LF347DT, LF347M/NOPB, and LF347MX/NOPB (STMicroelectronics and Texas Instruments) are J-FET quad operational amplifiers in 14-SOIC packaging with 4 MHz gain bandwidth product and active product status. These parts feature higher slew rates (13-16 V/µs) and improved output current capability (40 mA per channel vs. 10 mA). However, they exhibit higher input bias current (20-50 pA vs. 3 pA) and input offset voltage (3-5 mV vs. 200 µV), making them suitable only for applications where precision DC accuracy is not critical. LF247DT offers extended operating temperature range (-40°C to 105°C) and higher slew rate (16 V/µs).

Tier 3 - General Purpose Alternatives (Limited Compatibility):

LM3900D (Texas Instruments) and MC34074DR2G (onsemi) are general-purpose quad operational amplifiers in 14-SOIC packaging with 4 MHz or higher gain bandwidth product and active or last-time-buy status. These parts do not employ J-FET input stages, resulting in significantly higher input bias current (30 nA to 100 nA) and are unsuitable for applications requiring the low input bias current characteristic of the OP482GS-REEL7. Use only if circuit design permits general-purpose amplifier topology.

Compliance and Certification:

All recommended substitutes (Tier 1 and Tier 2) are ROHS3 compliant and REACH unaffected. The OP482GSZ-REEL7 direct equivalent is the only substitute maintaining identical electrical performance with active product status and full regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can OP482GSZ-REEL7 be used as a direct replacement for OP482GS-REEL7?

A: Yes. OP482GSZ-REEL7 is the direct equivalent with identical electrical specifications, J-FET amplifier topology, 4 MHz gain bandwidth product, 3 pA input bias current, and 9V to 36V supply voltage range. The primary difference is product status (active vs. obsolete) and packaging format (Cut Tape & Digi-Reel vs. reel). No circuit modifications are required.

Q: What is the key difference between J-FET and General Purpose amplifier substitutes?

A: J-FET amplifiers (OP482GS-REEL7, LF347 series) feature extremely low input bias current (3-50 pA) and high input impedance, making them suitable for precision analog applications, high-impedance signal sources, and DC-coupled circuits. General-purpose amplifiers (LM3900D, MC34074DR2G) have significantly higher input bias current (30-100 nA) and are designed for general signal processing where input impedance is less critical. Substituting a general-purpose amplifier for a J-FET design may introduce unacceptable DC offset errors and signal distortion.

Q: Are LF347 series parts suitable replacements for OP482GS-REEL7?

A: LF347 series parts (LF347DT, LF347M/NOPB, LF347MX/NOPB) are J-FET quad operational amplifiers in 14-SOIC packaging with compatible gain bandwidth product (3-4 MHz) and active product status. However, they exhibit higher input bias current (20-50 pA vs. 3 pA) and higher input offset voltage (3-5 mV vs. 200 µV). These parts are suitable only for applications where the original design does not depend on the ultra-low input bias current and precision DC accuracy of the OP482GS-REEL7. Design review is required before substitution.

Q: What is the significance of the 14-SOIC package specification?

A: The 14-SOIC (Small Outline Integrated Circuit) package is a surface mount form factor with 0.154 inches (3.90 mm) width. All substitute parts listed maintain this identical package specification, ensuring mechanical compatibility with existing PCB layouts, footprints, and assembly processes. Package compatibility eliminates the need for PCB redesign.

Q: Why is OP482GS-REEL7 classified as obsolete?

A: Obsolete status indicates the part has reached end-of-life and is no longer manufactured by Analog Devices Inc. The OP482GSZ-REEL7 is the active production equivalent that replaces the obsolete OP482GS-REEL7 in the product line. For new designs and long-term production support, OP482GSZ-REEL7 is the recommended substitute.

Q: Can LF247DT be used instead of OP482GS-REEL7?

A: LF247DT is a J-FET quad operational amplifier with compatible 4 MHz gain bandwidth product and 14-SOIC packaging. However, it specifies a fixed 44V supply voltage range (not a range of 9-36V), higher input bias current (20 pA vs. 3 pA), and higher input offset voltage (3 mV vs. 200 µV). LF247DT is suitable only if the application operates at exactly 44V supply and does not require the precision DC characteristics of the OP482GS-REEL7. Verify supply voltage compatibility before substitution.

Q: What compliance certifications should I verify when selecting a substitute?

A: All recommended substitutes are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. OP482GSZ-REEL7 (direct equivalent) provides the highest assurance of regulatory compliance and long-term availability. Verify ROHS3 compliance and REACH status with the component supplier before final selection.

Q: Is there a substitute with lower supply current than OP482GS-REEL7?

A: OP482GSZ-REEL7 maintains identical supply current (210 µA for 4 channels). All other J-FET substitutes (LF247DT, LF347 series) consume significantly higher supply current (1.4-7.2 mA for 4 channels). If power consumption is a critical design parameter, OP482GSZ-REEL7 is the only substitute maintaining the original ultra-low supply current specification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message