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BA4558RFJ-GE2 Equivalent & Substitute Parts
Part Overview
The BA4558RFJ-GE2 is a general-purpose operational amplifier manufactured by Rohm Semiconductor, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This linear amplifier is classified as Active product status and is ROHS3 compliant. The BA4558RFJ-GE2 operates across a wide supply voltage range of 8V to 30V with an operating temperature span of -40°C to 105°C, making it suitable for industrial and consumer applications requiring stable amplification characteristics.
Equivalent and substitute parts are identified when alternative manufacturers offer operational amplifiers with compatible electrical specifications, identical package geometry, and matching functional requirements. Substitution becomes necessary due to supply chain availability, manufacturing discontinuation, or design optimization requirements while maintaining circuit performance.
Substiute Parts
Key Parameters
| Parameter | BA4558RFJ-GE2 Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | - |
| Number of Circuits | 2 | - |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | - |
| Mounting Type | Surface Mount | - |
| Slew Rate | 1 | V/µs |
| Gain Bandwidth Product | 2 | MHz |
| Current - Input Bias | 60 | nA |
| Voltage - Input Offset | 500 | µV |
| Current - Supply | 3 | mA |
| Voltage - Supply Span (Min) | 8 | V |
| Voltage - Supply Span (Max) | 30 | V |
| Operating Temperature | -40 to 105 | °C |
| RoHS Status | ROHS3 Compliant | - |
| Moisture Sensitivity Level | 1 (Unlimited) | - |
Substitute Part Grouping Explanation
Substitute parts for the BA4558RFJ-GE2 are identified based on the following critical parameters that determine functional compatibility:
Primary Compatibility Criteria:
- Package geometry: 8-SOIC (0.154", 3.90mm Width) surface mount configuration
- Circuit count: Dual-channel (2 circuits) operational amplifier
- Supply voltage range: Minimum 8V and maximum 30V or greater
- Operating temperature range: Minimum -40°C and maximum 105°C or greater
- Mounting type: Surface mount technology
Secondary Performance Parameters:
- Slew rate: 1V/µs or greater
- Gain bandwidth product: 2 MHz or greater
- Input bias current: 60 nA or lower
- Input offset voltage: 500 µV or lower
- Supply current: 3 mA or lower per channel
Substitute parts are grouped into two categories: general-purpose amplifiers matching the BA4558RFJ-GE2 specifications, and J-FET amplifiers offering superior input bias current characteristics. All substitute parts maintain ROHS3 compliance and identical package footprints for direct PCB replacement.
Parameter Comparison
| Parameter | BA4558RFJ-GE2 | ADA4062-2ARZ | ADA4062-2ARZ-R7 | ADA4062-2BRZ | AS358MTR-E1 | AS358MTR-G1 | LM1458M/NOPB | LM1458MX/NOPB | LM158DT | LM258D | LM258DR2G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Rohm Semiconductor | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Diodes Incorporated | Diodes Incorporated | Texas Instruments | National Semiconductor | STMicroelectronics | STMicroelectronics | onsemi |
| Amplifier Type | General Purpose | J-FET | J-FET | J-FET | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-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) | 1 | 3.3 | 3.3 | 3.3 | - | - | 0.5 | 0.5 | 0.6 | 0.6 | - |
| Gain Bandwidth Product (MHz) | 2 | 1.4 | 1.4 | 1.4 | - | - | 1 | 1 | 1.1 | 1.1 | 1 |
| Current - Input Bias (nA) | 60 | 2 | 2 | 2 | 20 | 20 | 200 | 200 | 20 | 20 | 45 |
| Voltage - Input Offset (µV) | 500 | 750 | 750 | 500 | 2000 | 2000 | 1000 | 1000 | 5000 | 5000 | 2000 |
| Current - Supply (mA) | 3 | 0.165 | 0.165 | 0.165 | 0.7 | 0.7 | 3 | 3 | 0.7 | 0.7 | 0.8 |
| Voltage - Supply Span Min (V) | 8 | 8 | 8 | 8 | 3 | 3 | 36 | 36 | 3 | 3 | 3 |
| Voltage - Supply Span Max (V) | 30 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 30 | 30 | 32 |
| Operating Temperature Min (°C) | -40 | -40 | -40 | -40 | -40 | -40 | 0 | 0 | -55 | -40 | -25 |
| Operating Temperature Max (°C) | 105 | 125 | 125 | 125 | 85 | 85 | 70 | 70 | 125 | 105 | 85 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | - | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 3 (168 Hours) | 3 (168 Hours) | 1 (Unlimited) | - | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Tier 1 - Direct Substitutes (Highest Compatibility):
The ADA4062-2BRZ and ADA4062-2ARZ-R7 from Analog Devices Inc. provide the closest electrical match to the BA4558RFJ-GE2. Both devices maintain identical package geometry (8-SOIC), dual-channel configuration, and supply voltage compatibility (8V to 36V). The ADA4062-2BRZ offers matching input offset voltage (500 µV) and superior input bias current (2 pA versus 60 nA). The ADA4062-2ARZ-R7 is available in Cut Tape & Digi-Reel packaging with significantly higher inventory (17,915 units). Both are ROHS3 compliant with MSL 1 rating and extended operating temperature to 125°C. The J-FET amplifier topology provides lower input bias current for high-impedance applications.
Tier 2 - Compatible General-Purpose Substitutes:
The LM258D and LM258DR2G from STMicroelectronics and onsemi respectively offer general-purpose amplification with identical package footprint and dual-channel configuration. Both support supply voltages from 3V to 30V/32V, exceeding the BA4558RFJ-GE2 minimum requirement. Input bias current specifications (20 nA and 45 nA) are superior to the original part. The LM258DR2G provides the highest inventory availability (505,200 units) and maintains ROHS3 compliance with MSL 1 rating. Operating temperature range extends to 105°C for the LM258D, matching the BA4558RFJ-GE2 specification.
Tier 3 - Alternative General-Purpose Options:
The AS358MTR-E1 and AS358MTR-G1 from Diodes Incorporated provide dual-channel general-purpose amplification in 8-SOIC packages with exceptional inventory availability (264,200 and 300,300 units respectively). These devices support extended supply voltage range (3V to 36V) and feature low input bias current (20 nA). Operating temperature range is limited to -40°C to 85°C, which is below the BA4558RFJ-GE2 maximum of 105°C. MSL rating of 3 (168 hours) requires moisture control during storage and handling compared to MSL 1 of the original part.
Tier 4 - Legacy General-Purpose Devices:
The LM1458M/NOPB and LM1458MX/NOPB from Texas Instruments and National Semiconductor are legacy general-purpose amplifiers with fixed supply voltage requirement of 36V, limiting flexibility compared to the BA4558RFJ-GE2 variable supply range. Operating temperature range is restricted to 0°C to 70°C. These devices are suitable only for applications with fixed 36V supply and commercial temperature requirements.
Tier 5 - Specialized Automotive-Grade Option:
The LM158DT from STMicroelectronics is qualified to AEC-Q100 automotive standard with extended operating temperature (-55°C to 125°C) and differential output configuration. This device is appropriate for automotive applications requiring enhanced temperature performance and quality assurance, though the differential output type differs from the standard BA4558RFJ-GE2 configuration.
Compliance and Certification Basis:
All recommended Tier 1 and Tier 2 substitutes maintain ROHS3 compliance and REACH unaffected status matching the BA4558RFJ-GE2. MSL 1 (Unlimited) moisture sensitivity rating is preferred for manufacturing environments without controlled humidity. Supply voltage compatibility within the 8V to 30V range of the original part ensures direct circuit operation without modification. Identical 8-SOIC package geometry permits direct PCB footprint replacement without layout redesign.
Frequently Asked Questions (FAQ)
Q: Can the ADA4062-2ARZ-R7 directly replace the BA4558RFJ-GE2 on a PCB?
A: Yes. Both devices use identical 8-SOIC (0.154", 3.90mm Width) surface mount packages with matching pin configurations for dual-channel operational amplifiers. The ADA4062-2ARZ-R7 operates across the BA4558RFJ-GE2 supply voltage range (8V to 36V) and maintains compatible electrical specifications. No PCB layout modification is required.
Q: What is the primary difference between J-FET amplifiers (ADA4062 series) and general-purpose amplifiers (LM258 series)?
A: J-FET amplifiers feature extremely low input bias current (2 pA for ADA4062 versus 60 nA for BA4558RFJ-GE2), making them suitable for high-impedance signal sources and precision measurement circuits. General-purpose amplifiers offer lower cost and simpler biasing requirements. Both topologies are electrically compatible within the specified supply voltage and temperature ranges.
Q: Why do some substitute parts show lower operating temperature maximums than the BA4558RFJ-GE2?
A: The BA4558RFJ-GE2 specifies -40°C to 105°C operating range. Substitute parts such as AS358MTR-E1 and AS358MTR-G1 are rated to -40°C to 85°C maximum. These devices are suitable only for applications where the maximum ambient temperature does not exceed 85°C. For applications requiring 105°C operation, select LM258D, ADA4062-2ARZ-R7, or ADA4062-2BRZ.
Q: What does MSL 1 (Unlimited) moisture sensitivity rating mean?
A: MSL 1 indicates the component has unlimited shelf life when stored in standard warehouse conditions without special moisture control. MSL 3 (168 hours) components such as AS358MTR-E1 require storage in dry conditions and must be used within 168 hours of opening the moisture barrier bag. For manufacturing environments without controlled humidity, MSL 1 rated parts are preferred.
Q: Are all substitute parts ROHS3 compliant?
A: All Tier 1 and Tier 2 recommended substitutes are ROHS3 compliant. The LM1458MX/NOPB does not specify RoHS status in the provided data. Verify RoHS compliance documentation with the supplier before selecting legacy devices for new designs.
Q: What is the significance of the "Cut Tape (CT) & Digi-Reel" packaging designation?
A: Cut Tape & Digi-Reel packaging indicates the component is supplied on continuous tape that can be cut to length for manual assembly or used on automatic pick-and-place equipment with Digi-Reel compatible feeders. This packaging format is standard for high-volume manufacturing. Tube packaging is suitable for manual assembly or lower-volume production.
Q: Can the LM1458M/NOPB substitute for the BA4558RFJ-GE2 in a 12V supply application?
A: No. The LM1458M/NOPB requires a fixed 36V supply voltage and cannot operate at 12V. The BA4558RFJ-GE2 operates across 8V to 30V, making it compatible with 12V supplies. Select LM258D, AS358MTR-E1, or ADA4062-2ARZ-R7 for variable supply voltage applications.
Q: What inventory considerations should guide substitute part selection?
A: The LM258DR2G offers the highest inventory availability (505,200 units) among all substitutes, followed by AS358MTR-G1 (300,300 units) and AS358MTR-E1 (264,200 units). For applications requiring immediate availability, these general-purpose options provide supply chain security. Tier 1 J-FET substitutes (ADA4062 series) offer lower inventory but superior input bias current performance.
Q: Is the LM158DT automotive-grade qualification relevant for non-automotive applications?
A: AEC-Q100 automotive qualification indicates enhanced reliability testing and quality assurance processes. The LM158DT is suitable for non-automotive applications requiring extended temperature operation (-55°C to 125°C) and high reliability standards. The automotive qualification does not restrict use in industrial or consumer applications.
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