RC4558IPWRE4 Equivalent & Substitute Parts

Part Overview

The RC4558IPWRE4 is a general purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-TSSOP surface mount package. This device is classified as obsolete, which necessitates identification of active equivalent and substitute components for ongoing design support and procurement continuity. The RC4558IPWRE4 operates across a supply voltage range of 10V to 30V with a slew rate of 1.7V/µs and gain bandwidth product of 3 MHz, making it suitable for general purpose analog signal processing applications.

Substiute Parts

RC4558IPWRE4

Texas InstrumentsIn Stock: 721RC4558IPWRE4 Datasheet

Current PartRFQ

RC4558IPWR

Texas InstrumentsIn Stock: 19061RC4558IPWR Datasheet

MFR RecommendedRFQ

MC4558CPT

STMicroelectronicsIn Stock: 24046MC4558CPT Datasheet

MFR RecommendedRFQ

TL082CPT

STMicroelectronicsIn Stock: 2264TL082CPT Datasheet

MFR RecommendedRFQ

TL082IPT

STMicroelectronicsIn Stock: 5452TL082IPT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC4558IPWRE4 is determined by compatibility across the following critical parameters: package type (8-TSSOP surface mount), number of circuits (dual), mounting configuration, and electrical operating ranges. The primary substitute is RC4558IPWR, which maintains identical electrical specifications and differs only in packaging format (Tape & Reel versus individual packaging). This represents a direct functional equivalent with active product status.

Secondary substitutes MC4558CPT and TL082CPT/TL082IPT belong to the same operational amplifier family but exhibit different electrical characteristics. MC4558CPT offers enhanced slew rate (2.2V/µs versus 1.7V/µs) and higher gain bandwidth product (5.5 MHz versus 3 MHz), with reduced input bias current (50 nA versus 150 nA) and expanded supply voltage range (4V to 40V). TL082CPT and TL082IPT employ J-FET input architecture, delivering significantly higher slew rate (16V/µs) and lower input bias current (20 pA), with automotive-grade qualification (AEC-Q100).

All substitute parts maintain 8-TSSOP package compatibility, ROHS3 compliance, and MSL Level 1 rating. Selection among substitutes depends on specific application requirements regarding slew rate, input bias current, supply voltage range, and operating temperature specifications.

Parameter Comparison

Engineering Selection Recommendations

RC4558IPWR is the primary recommended substitute for RC4558IPWRE4. Both components are manufactured by Texas Instruments, maintain identical electrical specifications, and differ only in packaging format. RC4558IPWR carries active product status with significantly higher inventory availability (18,975 pieces versus 654 pieces), ensuring long-term procurement reliability. This substitution requires no circuit redesign or performance re-evaluation.

MC4558CPT serves as an alternative for applications requiring enhanced performance characteristics. This STMicroelectronics component offers higher slew rate and gain bandwidth product with lower input bias current, while maintaining compatibility with the 8-TSSOP package and supply voltage range of 10V to 30V. However, MC4558CPT operates within a narrower temperature range (0°C to 70°C) compared to the original specification (-40°C to 85°C), limiting its use to commercial-grade applications.

TL082CPT and TL082IPT represent J-FET input alternatives suitable for applications demanding ultra-low input bias current and high slew rate performance. TL082IPT extends the operating temperature range to -40°C to 105°C, matching or exceeding the original specification. Both variants carry AEC-Q100 automotive qualification. These substitutes are appropriate for precision signal conditioning and high-speed applications where input bias current and slew rate are critical parameters. The narrower minimum supply voltage (6V versus 10V) must be verified against circuit design requirements.

All substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can RC4558IPWR be used as a direct replacement for RC4558IPWRE4?

A: Yes. RC4558IPWR is a direct functional equivalent manufactured by Texas Instruments with identical electrical specifications, operating temperature range, and package configuration. The only difference is packaging format (Tape & Reel). No circuit modifications are required.

Q: What are the key differences between RC4558IPWRE4 and MC4558CPT?

A: MC4558CPT offers superior performance with 2.2V/µs slew rate (versus 1.7V/µs), 5.5 MHz gain bandwidth product (versus 3 MHz), and 50 nA input bias current (versus 150 nA). However, MC4558CPT operates within 0°C to 70°C temperature range, which is narrower than the original -40°C to 85°C specification. MC4558CPT is suitable for commercial-grade applications where extended temperature operation is not required.

Q: When should TL082CPT or TL082IPT be selected over other substitutes?

A: TL082 variants employ J-FET input architecture, delivering 16V/µs slew rate and 20 pA input bias current, significantly superior to the original RC4558IPWRE4. These components are appropriate for precision analog applications, high-speed signal processing, and systems where input bias current must be minimized. TL082IPT supports extended temperature operation (-40°C to 105°C), making it suitable for industrial and automotive applications.

Q: Are all substitute parts compatible with the 8-TSSOP package footprint?

A: Yes. All substitute parts listed (RC4558IPWR, MC4558CPT, TL082CPT, TL082IPT) are packaged in 8-TSSOP with identical pin configuration and physical dimensions (0.173" width, 4.40mm). Direct PCB footprint compatibility is confirmed.

Q: What supply voltage range must be verified when selecting a substitute?

A: The original RC4558IPWRE4 operates from 10V to 30V. RC4558IPWR maintains this range. MC4558CPT supports 4V to 40V, and TL082 variants support 6V to 36V. Verify that the selected substitute's supply voltage range encompasses your circuit's operating requirements.

Q: Do all substitutes maintain ROHS3 compliance?

A: Yes. RC4558IPWR, MC4558CPT, TL082CPT, and TL082IPT are all ROHS3 compliant with MSL Level 1 rating, ensuring compatibility with standard manufacturing processes and storage conditions.

Q: What is the significance of AEC-Q100 qualification on TL082 variants?

A: AEC-Q100 qualification indicates automotive-grade reliability testing and qualification. TL082CPT and TL082IPT meet automotive industry standards for temperature cycling, thermal shock, and long-term reliability. This qualification is relevant for automotive, industrial, and mission-critical applications requiring enhanced reliability assurance.