OP470GS-REEL Equivalent & Substitute Parts

Part Overview

The OP470GS-REEL 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 component is classified as obsolete, indicating that direct procurement from primary sources may be limited. The identification of equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain reliability for applications currently utilizing this amplifier configuration.

Key Parameters

Parameter	Value
Manufacturer Part Number	OP470GS-REEL
Manufacturer	Analog Devices Inc.
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	4
Package / Case	16-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Slew Rate	3V/µs
Gain Bandwidth Product	6 MHz
Current - Input Bias	15 nA
Voltage - Input Offset	400 µV
Current - Supply	9mA
Voltage - Supply Span (Min)	9 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-40°C ~ 85°C
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the OP470GS-REEL is determined by alignment of critical electrical and mechanical parameters. The primary substitution criteria are:

Mechanical Compatibility:

Package type: 16-SOIC (0.295", 7.50mm Width)
Mounting type: Surface Mount
Pin count and configuration must match

Electrical Compatibility:

Number of circuits: 4 channels
Supply voltage range: Minimum 9V to maximum 36V (or compatible range)
Operating temperature range: -40°C to 85°C (or extended range)
Amplifier type: General Purpose or J-FET configurations with compatible performance characteristics

Performance Parameters:

Slew rate: 3V/µs or higher
Gain bandwidth product: 6 MHz or higher
Input bias current: 15 nA or lower
Input offset voltage: 400 µV or lower
Supply current: 9mA or lower

Substitute parts are grouped into two categories: direct equivalents (same base product number with different packaging) and functional equivalents (different manufacturers or product lines with compatible electrical specifications and identical package form factor).

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (nA/pA)	Input Offset (µV)	Supply Current (mA)	Supply Voltage Min (V)	Supply Voltage Max (V)	Temp Range (°C)	Product Status	Package
OP470GS-REEL	Analog Devices	General Purpose	3	6	15 nA	400	9	9	36	-40 to 85	Obsolete	16-SOIC
OP470GSZ-REEL	Analog Devices	General Purpose	3	6	15 nA	400	9	9	36	-40 to 85	Active	16-SOIC
LT1058ISW	Analog Devices	J-FET	13	5	10 pA	350	1.7	20	36	-40 to 85	Active	16-SOIC
LT1058ISW#PBF	Analog Devices	J-FET	13	5	10 pA	350	1.7	20	36	-40 to 85	Active	16-SOIC
LT1058ISW#TRPBF	Analog Devices	J-FET	13	5	10 pA	350	1.7	20	36	-40 to 85	Active	16-SOIC
LT1058SW#PBF	Analog Devices	J-FET	13	5	10 pA	350	1.7	20	36	0 to 70	Active	16-SOIC
LT1058SW#TRPBF	Analog Devices	J-FET	13	5	10 pA	350	1.7	20	36	0 to 70	Active	16-SOIC
LT1125MPSW#PBF	Analog Devices	General Purpose	4.5	12.5	8 nA	30	2.3	8	44	-55 to 125	Active	16-SOIC
LT1125MPSW#TRPBF	Analog Devices	General Purpose	4.5	12.5	8 nA	30	2.3	8	44	-55 to 125	Active	16-SOIC
OPA4131UA	Burr Brown	J-FET	10	4	5 pA	200	1.5	9	36	-40 to 85	Active	16-SOIC
OPA4131UA/1K	Texas Instruments	J-FET	10	4	5 pA	200	1.5	9	36	-40 to 85	Active	16-SOIC

Engineering Selection Recommendations

Direct Equivalent (Recommended Primary Substitute):

OP470GSZ-REEL is the active production equivalent of OP470GS-REEL. This part maintains identical electrical specifications and package configuration while offering active product status. The OP470GSZ-REEL is ROHS3 compliant and REACH unaffected, providing regulatory compliance advantages over the obsolete OP470GS-REEL. This substitution requires no circuit redesign and provides pin-for-pin compatibility.

Functional Equivalents with Extended Performance:

LT1125MPSW#PBF and LT1125MPSW#TRPBF offer enhanced performance characteristics including higher slew rate (4.5V/µs versus 3V/µs), higher gain bandwidth product (12.5 MHz versus 6 MHz), and extended operating temperature range (-55°C to 125°C). These parts maintain the 16-SOIC package and 4-circuit configuration. Supply voltage range is expanded (8V to 44V). These substitutes are suitable for applications requiring improved performance margins and extended temperature operation.

Functional Equivalents with Low Input Bias Current:

LT1058 series parts (ISW, ISW#PBF, ISW#TRPBF, SW#PBF, SW#TRPBF) feature J-FET input stages with significantly lower input bias current (10 pA versus 15 nA). These parts maintain 16-SOIC packaging and 4-circuit configuration. Operating temperature range for ISW variants matches the original (-40°C to 85°C). Supply voltage minimum is increased to 20V. These substitutes are appropriate for high-impedance input applications where input bias current is a critical parameter.

Cross-Manufacturer Alternatives:

OPA4131UA and OPA4131UA/1K from Burr Brown/Texas Instruments provide J-FET input configuration with 16-SOIC packaging and 4-circuit topology. These parts feature lower input bias current (5 pA) and input offset voltage (200 µV). Supply voltage range (9V to 36V) and operating temperature (-40°C to 85°C) align with the original specification. OPA4131UA/1K includes ROHS3 compliance and tape & reel packaging.

All substitute parts listed maintain surface mount 16-SOIC package compatibility and 4-circuit configuration, ensuring mechanical interchangeability in PCB layouts designed for OP470GS-REEL.

Frequently Asked Questions (FAQ)

Q: Can OP470GSZ-REEL be used as a direct replacement for OP470GS-REEL?

A: Yes. OP470GSZ-REEL is the active production equivalent with identical electrical specifications, package configuration, and pin assignment. The primary difference is product status (active versus obsolete) and regulatory compliance certifications (ROHS3 compliant, REACH unaffected). No circuit modifications are required.

Q: What is the key difference between OP470GS-REEL and LT1058 series amplifiers?

A: The OP470GS-REEL uses a bipolar input stage with 15 nA input bias current, while LT1058 series uses a J-FET input stage with 10 pA input bias current. LT1058 parts offer superior input bias current performance and higher slew rate (13V/µs versus 3V/µs). However, LT1058 requires minimum 20V supply voltage compared to 9V for OP470GS-REEL. Circuit redesign may be necessary if the application operates at supply voltages below 20V.

Q: Are LT1125MPSW variants suitable replacements for OP470GS-REEL?

A: LT1125MPSW variants provide enhanced performance with higher slew rate, higher gain bandwidth product, and extended temperature range. These parts maintain 16-SOIC packaging and 4-circuit configuration. The supply voltage range is expanded (8V to 44V minimum), providing greater flexibility. These substitutes are appropriate for applications where improved performance margins are beneficial. No pin-level incompatibilities exist.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in multiple packaging formats: Cut Tape & Digi-Reel (OP470GSZ-REEL), Tube (LT1058ISW#PBF, LT1058SW#PBF, LT1125MPSW#PBF), and Tape & Reel (LT1058ISW#TRPBF, LT1058SW#TRPBF, LT1125MPSW#TRPBF, OPA4131UA/1K). All maintain identical 16-SOIC component package form factor. Selection of packaging format depends on assembly process requirements and procurement volume.

Q: What is the significance of the "#PBF" and "#TRPBF" suffixes in part numbers?

A: The "#PBF" suffix indicates lead-free (Pb-free) plating and ROHS3 compliance. The "#TRPBF" suffix indicates Tape & Reel packaging with lead-free plating. These designations reflect manufacturing process and packaging format. Electrical specifications remain identical across these variants.

Q: Can OPA4131UA be substituted in applications requiring -40°C to 85°C operation?

A: Yes. OPA4131UA and OPA4131UA/1K both specify -40°C to 85°C operating temperature range, matching the original OP470GS-REEL specification. Both parts maintain 16-SOIC packaging and 4-circuit configuration. OPA4131UA/1K includes ROHS3 compliance and tape & reel packaging, providing regulatory advantages.

Q: What supply voltage considerations apply when substituting with LT1058 series?

A: LT1058 series parts require minimum 20V supply voltage, compared to 9V minimum for OP470GS-REEL. Applications operating at supply voltages between 9V and 20V cannot use LT1058 substitutes without circuit modification. Verify supply voltage availability in the target application before selecting LT1058 variants.

Q: Are all substitute parts ROHS3 compliant?

A: OP470GSZ-REEL, LT1058 series (with #PBF or #TRPBF suffixes), LT1125MPSW series (with #PBF or #TRPBF suffixes), and OPA4131UA/1K are ROHS3 compliant. OPA4131UA (without suffix) does not specify ROHS3 compliance status. Verify compliance requirements for your application before final part selection.

Q: What is the moisture sensitivity level (MSL) for substitute parts?

A: OP470GS-REEL and all listed substitute parts specify MSL 1 (Unlimited), except OPA4131UA/1K which specifies MSL 3 (168 Hours). MSL 1 indicates no moisture sensitivity restrictions. MSL 3 requires controlled storage and handling procedures with a 168-hour floor life after package opening. Verify storage and handling requirements for OPA4131UA/1K if selected.

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