OP471GS Equivalent & Substitute Parts

Part Overview

The OP471GS is a general purpose operational amplifier integrated circuit manufactured by Analog Devices Inc., configured as a 4-circuit device in a 16-SOIC surface mount package. This part is classified as obsolete, though 1477 pieces remain available in new original stock. The OP471GS operates across a wide supply voltage range of 9V to 36V and maintains performance across the industrial temperature range of -40°C to 85°C. Due to its obsolete status, identifying equivalent and substitute parts is necessary for design continuity, long-term availability assurance, and supply chain planning.

Key Parameters

Parameter	Value
Manufacturer	Analog Devices Inc.
Part Number	OP471GS
Product Status	Obsolete
Amplifier Type	General Purpose
Number of Circuits	4
Package / Case	16-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Slew Rate	8V/µs
Gain Bandwidth Product	6.5 MHz
Current - Input Bias	25 nA
Voltage - Input Offset	1 mV
Current - Supply	9.2 mA
Voltage - Supply Span (Min)	9 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-40°C ~ 85°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the OP471GS is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

Number of circuits (4 required)
Package type (16-SOIC surface mount required)
Supply voltage range (minimum 9V, maximum 36V)
Operating temperature range (-40°C to 85°C minimum)
Amplifier type classification (general purpose or J-FET variants acceptable)

Mechanical Compatibility Criteria:

Package / Case: 16-SOIC (0.295", 7.50mm Width)
Mounting Type: Surface Mount
Supplier Device Package: 16-SOIC or 16-SO

Substitute parts are grouped into two categories:

Direct Equivalent (Same Base Product): OP471GSZ maintains identical electrical specifications and differs only in packaging format (tube vs. standard) and product status (active vs. obsolete).

Functional Equivalents (Alternative Amplifier Types): Parts including LT1058 series, LT1125 series, and OPA4131 variants provide 4-circuit configurations in compatible 16-SOIC packages with overlapping or superior electrical performance characteristics. These alternatives accommodate the same supply voltage range and operating temperature requirements, though individual specifications vary.

Parameter Comparison

Parameter	OP471GS	OP471GSZ	LT1058ISW	LT1058ISW#PBF	LT1058ISW#TRPBF	LT1058SW#PBF	LT1058SW#TRPBF	LT1125MPSW#PBF	LT1125MPSW#TRPBF	OPA4131UA	OPA4131UA/1K
Manufacturer	Analog Devices	Analog Devices	Analog Devices	Analog Devices	Analog Devices	Analog Devices	Analog Devices	Analog Devices	Analog Devices	Burr Brown	Texas Instruments
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
Amplifier Type	General Purpose	General Purpose	J-FET	J-FET	J-FET	J-FET	J-FET	General Purpose	General Purpose	J-FET	J-FET
Number of Circuits	4	4	4	4	4	4	4	4	4	4	4
Package / Case	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Slew Rate (V/µs)	8	8	13	13	13	13	13	4.5	4.5	10	10
Gain Bandwidth Product (MHz)	6.5	6.5	5	5	5	5	5	12.5	12.5	4	4
Current - Input Bias (nA/pA)	25 nA	25 nA	10 pA	10 pA	10 pA	10 pA	10 pA	8 nA	8 nA	5 pA	5 pA
Voltage - Input Offset (mV/µV)	1 mV	1 mV	350 µV	350 µV	350 µV	350 µV	350 µV	30 µV	30 µV	200 µV	200 µV
Current - Supply (mA)	9.2	9.2	1.7 (x4)	1.7 (x4)	1.7 (x4)	1.7 (x4)	1.7 (x4)	2.3 (x4)	2.3 (x4)	1.5 (x4)	1.5 (x4)
Voltage - Supply Span (Min)	9 V	9 V	20 V	20 V	20 V	20 V	20 V	8 V	8 V	9 V	9 V
Voltage - Supply Span (Max)	36 V	36 V	36 V	36 V	36 V	36 V	36 V	44 V	44 V	36 V	36 V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	0°C ~ 70°C	0°C ~ 70°C	-55°C ~ 125°C	-55°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C
Moisture Sensitivity Level (MSL)	1	1	1	1	1	1	1	1	1	Not specified	3
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: OP471GSZ

The OP471GSZ is the direct equivalent of the OP471GS, maintaining identical electrical specifications and package configuration. The OP471GSZ is classified as active product status, ensuring continued availability and supply chain support. This part is ROHS3 compliant and REACH unaffected, meeting modern regulatory requirements. Selection of OP471GSZ provides the most direct substitution path with no design modifications required.

Secondary Recommendations for Extended Supply Assurance:

LT1058 Series (LT1058ISW, LT1058ISW#PBF, LT1058ISW#TRPBF, LT1058SW#PBF, LT1058SW#TRPBF): These J-FET amplifier variants are active products with ROHS3 compliance and REACH unaffected status. The LT1058 series offers superior input bias current performance (10 pA vs. 25 nA) and lower input offset voltage (350 µV vs. 1 mV). However, the minimum supply voltage requirement is 20V, which restricts operation in applications requiring 9V to 19V supply ranges. Operating temperature range for LT1058SW variants is limited to 0°C to 70°C, whereas LT1058ISW variants maintain -40°C to 85°C compatibility.

LT1125 Series (LT1125MPSW#PBF, LT1125MPSW#TRPBF): These general purpose amplifiers are active products with ROHS3 compliance and extended operating temperature range (-55°C to 125°C). The LT1125 series provides superior gain bandwidth product (12.5 MHz vs. 6.5 MHz) and lower input offset voltage (30 µV vs. 1 mV). Supply voltage range extends to 44V maximum, providing broader operational flexibility. Current supply consumption is lower (2.3 mA per channel vs. 9.2 mA total).

OPA4131 Variants (OPA4131UA, OPA4131UA/1K): These J-FET amplifiers from Burr Brown and Texas Instruments are active products with compatible supply voltage range (9V to 36V) and operating temperature (-40°C to 85°C). The OPA4131 series offers superior input bias current (5 pA) and lower supply current (1.5 mA per channel). OPA4131UA/1K includes ROHS3 compliance certification. Moisture sensitivity level for OPA4131UA/1K is rated at MSL 3 (168 Hours), requiring controlled storage conditions.

Regulatory and Compliance Considerations:

All recommended substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring compatibility with current environmental regulations. The OP471GSZ, LT1058 series, and LT1125 series all carry MSL 1 (Unlimited) moisture sensitivity ratings, eliminating bake-out requirements. The OPA4131UA/1K carries MSL 3 rating, requiring moisture control during storage and handling.

Frequently Asked Questions (FAQ)

Q: Can OP471GSZ be used as a direct replacement for OP471GS without circuit modifications?

A: Yes. The OP471GSZ maintains identical electrical specifications including slew rate (8V/µs), gain bandwidth product (6.5 MHz), input bias current (25 nA), input offset voltage (1 mV), supply current (9.2 mA), and supply voltage range (9V to 36V). The operating temperature range (-40°C to 85°C) and 16-SOIC package are identical. No circuit modifications are required.

Q: What is the primary limitation of LT1058 series substitutes?

A: The LT1058 series requires a minimum supply voltage of 20V, whereas the OP471GS operates from 9V minimum. Applications requiring operation below 20V supply voltage cannot use LT1058 variants. Additionally, LT1058SW variants are limited to 0°C to 70°C operating temperature, restricting use in applications requiring -40°C to 85°C range.

Q: Why does the LT1125 series have different supply current specifications?

A: The LT1125 series specifies supply current as 2.3 mA per channel (x4 channels), whereas the OP471GS specifies 9.2 mA total. This represents a different measurement methodology. The LT1125 series provides lower per-channel current consumption, resulting in reduced total power dissipation in multi-channel applications.

Q: Are all substitute parts available in the same packaging options?

A: All substitute parts are available in 16-SOIC surface mount packages. Packaging format variations include standard tube packaging, tape and reel (TR) configurations, and lead-free variants (#PBF designation). Selection depends on procurement and assembly requirements.

Q: What is the significance of MSL (Moisture Sensitivity Level) ratings?

A: MSL 1 (Unlimited) indicates no moisture sensitivity restrictions; parts can be stored and handled under standard conditions. MSL 3 (168 Hours) requires controlled storage with humidity levels below 60% relative humidity and bake-out procedures before reflow soldering. The OP471GSZ, LT1058 series, and LT1125 series all carry MSL 1 ratings. The OPA4131UA/1K carries MSL 3 rating, requiring additional moisture control procedures.

Q: Can J-FET amplifier variants (LT1058, OPA4131) be substituted for the general purpose OP471GS?

A: J-FET amplifier variants provide superior input bias current performance (10 pA to 5 pA vs. 25 nA) and lower input offset voltage (200 µV to 350 µV vs. 1 mV). These characteristics make J-FET variants suitable for applications requiring low input bias current and precision offset voltage performance. However, J-FET amplifiers exhibit different frequency response and noise characteristics. Circuit performance validation is necessary when substituting amplifier types.

Q: What is the difference between OP471GSZ and OP471GSZ-REEL?

A: The OP471GSZ-REEL designation indicates tape and reel packaging format, suitable for automated assembly processes. The OP471GSZ without the -REEL suffix typically indicates tube packaging. Both variants maintain identical electrical specifications and 16-SOIC package configuration.

Q: Are there supply voltage compatibility restrictions between OP471GS and substitute parts?

A: The OP471GS operates from 9V to 36V. The LT1058 series requires minimum 20V supply, restricting use in 9V to 19V applications. The LT1125 series extends maximum supply to 44V, providing broader operational range. The OPA4131 series maintains 9V to 36V compatibility. Application supply voltage requirements determine substitute part suitability.

Q: What is the impact of different slew rate specifications on circuit performance?

A: The OP471GS provides 8V/µs slew rate. The LT1058 series offers 13V/µs, the OPA4131 series offers 10V/µs, and the LT1125 series offers 4.5V/µs. Higher slew rate enables faster signal transitions and reduced distortion in high-frequency applications. Lower slew rate may introduce distortion in applications requiring rapid signal changes. Application bandwidth requirements determine acceptable slew rate specifications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message