Request Quote
(Ships tomorrow)
BA4558FJ-GE2 Equivalent & Substitute Parts
Part Overview
The BA4558FJ-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 component is classified as Active product status and is ROHS3 compliant. The BA4558FJ-GE2 is widely used in analog signal conditioning, filtering, and amplification applications requiring low-cost, general-purpose amplification across industrial and consumer electronics.
Substitute parts are identified when equivalent electrical performance, package compatibility, and operational specifications align with the main device, enabling direct replacement in circuit designs without functional degradation.
Substiute Parts
Key Parameters
| Parameter | BA4558FJ-GE2 Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | Channels |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| 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 85 | °C |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the BA4558FJ-GE2 are identified based on the following critical parameters:
Primary Compatibility Criteria:
- Dual-channel (2 circuit) operational amplifier configuration
- 8-SOIC surface mount package (0.154", 3.90mm width)
- Supply voltage range compatibility (minimum 8V, maximum 30V or higher)
- Operating temperature range overlap (-40°C minimum or lower)
- General-purpose amplifier classification or equivalent performance tier
Substitution Logic: Substitute parts are grouped into two categories based on amplifier type and electrical characteristics:
-
General-Purpose Amplifiers (Direct Substitutes): Parts maintaining general-purpose amplifier classification with comparable slew rate, gain-bandwidth product, and input bias current specifications. These include AS358MTR-E1, AS358MTR-G1, LM1458M/NOPB, LM1458MX/NOPB, LM158DT, LM258D, and LM258DR2G.
-
J-FET Amplifiers (Performance-Enhanced Alternatives): Parts utilizing J-FET input architecture (ADA4062-2ARZ, ADA4062-2ARZ-R7, ADA4062-2BRZ) offering superior input bias current performance and extended temperature range, suitable for applications requiring lower input leakage.
All substitute parts maintain 8-SOIC package compatibility, ROHS3 compliance, and surface mount mounting type.
Parameter Comparison
| Parameter | BA4558FJ-GE2 | ADA4062-2ARZ | ADA4062-2BRZ | AS358MTR-E1 | AS358MTR-G1 | LM158DT | LM258D | LM258DR2G |
|---|---|---|---|---|---|---|---|---|
| Amplifier Type | General Purpose | J-FET | J-FET | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 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 |
| Slew Rate (V/µs) | 1 | 3.3 | 3.3 | — | — | 0.6 | 0.6 | — |
| Gain Bandwidth Product (MHz) | 2 | 1.4 | 1.4 | — | — | 1.1 | 1.1 | 1 |
| Current - Input Bias (nA) | 60 | 2 | 2 | 20 | 20 | 20 | 20 | 45 |
| Voltage - Input Offset (µV) | 500 | 750 | 500 | 2000 | 2000 | 5000 | 5000 | 2000 |
| Current - Supply (mA) | 3 | 0.165 | 0.165 | 0.7 | 0.7 | 0.7 | 0.7 | 0.8 |
| Voltage - Supply Span Min (V) | 8 | 8 | 8 | 3 | 3 | 3 | 3 | 3 |
| Voltage - Supply Span Max (V) | 30 | 36 | 36 | 36 | 36 | 30 | 30 | 32 |
| Operating Temperature (°C) | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -55 to 125 | -40 to 105 | -25 to 85 |
| RoHS Status | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 |
| Moisture Sensitivity Level | 1 | 1 | 1 | 3 | 3 | 1 | 1 | 1 |
Engineering Selection Recommendations
General-Purpose Amplifier Substitutes (AS358, LM258, LM158 Series):
The AS358MTR-E1, AS358MTR-G1, LM258D, and LM258DR2G are direct functional equivalents to the BA4558FJ-GE2 within the general-purpose amplifier category. These parts maintain identical dual-channel configuration, 8-SOIC package geometry, and ROHS3 compliance. The AS358 variants offer extended supply voltage range (3V to 36V) compared to the BA4558FJ-GE2 (8V to 30V), providing greater flexibility in low-voltage applications. The LM258 series maintains the 3V to 30V supply range with comparable input bias current and offset voltage specifications.
The LM158DT variant includes automotive-grade qualification (AEC-Q100) and extended temperature range (-55°C to 125°C), suitable for applications requiring enhanced reliability and temperature performance beyond standard industrial specifications.
J-FET Amplifier Alternatives (ADA4062 Series):
The ADA4062-2ARZ, ADA4062-2ARZ-R7, and ADA4062-2BRZ represent performance-enhanced alternatives utilizing J-FET input architecture. These parts deliver significantly lower input bias current (2 pA versus 60 nA), superior slew rate (3.3 V/µs versus 1 V/µs), and extended operating temperature range (-40°C to 125°C). The ADA4062-2BRZ specifically matches the BA4558FJ-GE2 input offset voltage specification (500 µV). These substitutes are appropriate for applications requiring reduced input leakage, higher slew rate performance, or extended temperature operation.
Compliance and Availability:
All identified substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (unlimited) or Level 3 (168 hours), ensuring compatibility with standard manufacturing and storage protocols. Inventory availability ranges from 919 to 505,200 units across substitute options, supporting both prototype and production-volume requirements.
Frequently Asked Questions (FAQ)
Q1: Can the ADA4062-2ARZ directly replace the BA4558FJ-GE2 in all applications?
The ADA4062-2ARZ is electrically compatible with the BA4558FJ-GE2 in terms of package, pin configuration, and dual-channel architecture. However, the J-FET input architecture introduces different input bias current characteristics (2 pA versus 60 nA). Applications sensitive to input bias current behavior or requiring specific offset voltage matching should verify performance with the ADA4062-2BRZ variant, which matches the 500 µV input offset specification of the BA4558FJ-GE2.
Q2: What is the difference between AS358MTR-E1 and AS358MTR-G1?
Both AS358MTR-E1 and AS358MTR-G1 are functionally identical general-purpose dual-channel amplifiers in 8-SOIC packages. The primary difference is packaging format: AS358MTR-E1 is supplied in Cut Tape (CT) & Digi-Reel format, while AS358MTR-G1 is supplied in Tape & Reel (TR) format. Electrical specifications, temperature range, and compliance certifications are identical. Selection depends on procurement and assembly line requirements.
Q3: Is the LM158DT suitable for automotive applications?
The LM158DT carries AEC-Q100 automotive qualification and operates across -55°C to 125°C, exceeding the BA4558FJ-GE2 temperature range (-40°C to 85°C). This part is appropriate for automotive-grade applications requiring enhanced reliability and extended temperature performance. Non-automotive applications do not require this qualification level.
Q4: What are the supply voltage compatibility considerations?
The BA4558FJ-GE2 operates from 8V to 30V. Substitute parts offer varying supply ranges: AS358 variants (3V to 36V), LM258 variants (3V to 30V or 32V), and ADA4062 variants (8V to 36V). When substituting, verify that the application supply voltage falls within both the original and substitute part specifications. Lower minimum supply voltage (3V) in AS358 and LM258 variants enables operation in low-voltage applications not supported by the BA4558FJ-GE2.
Q5: How does input bias current affect circuit performance?
Input bias current determines the DC current drawn by the amplifier inputs. The BA4558FJ-GE2 specifies 60 nA, while ADA4062 J-FET variants specify 2 pA. In high-impedance input circuits or precision DC applications, lower input bias current reduces offset errors and improves accuracy. General-purpose applications with moderate impedance levels are less sensitive to this parameter. AS358 and LM258 variants specify 20 to 45 nA, representing a middle ground between general-purpose and J-FET performance.
Q6: Are all substitute parts ROHS3 compliant?
All identified substitute parts carry ROHS3 compliance certification, matching the BA4558FJ-GE2 environmental and regulatory status. Moisture Sensitivity Level varies between Level 1 (unlimited shelf life) and Level 3 (168-hour maximum exposure at specified humidity). Verify MSL requirements for your manufacturing process and storage conditions.
Q7: What packaging options are available for substitutes?
Substitute parts are available in multiple packaging formats: Tube, Cut Tape (CT) & Digi-Reel, and Tape & Reel (TR). The BA4558FJ-GE2 is supplied in Tape & Reel format. Equivalent parts in alternative packaging formats (such as AS358MTR-E1 in Cut Tape) maintain identical electrical specifications and 8-SOIC package geometry, differing only in supply format for manufacturing convenience.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts