RC4558ID Equivalent & Substitute Parts Reference

Part Overview

The RC4558ID is a general-purpose operational amplifier manufactured by Texas Instruments, configured as a dual-channel (2 circuit) differential output device in an 8-SOIC surface mount package. This part is classified as Last Time Buy, indicating discontinued production status. The RC4558ID operates across a supply voltage range of 10V to 30V with an operating temperature range of -40°C to 85°C, making it suitable for analog signal processing applications requiring moderate bandwidth and low input bias current characteristics.

Due to Last Time Buy status, identifying functionally equivalent substitute parts is essential for design continuity and long-term component availability. Substitute parts must maintain compatibility across electrical parameters, mechanical packaging, and compliance certifications to ensure direct replacement capability.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Differential	—
Slew Rate	1.7	V/µs
Gain Bandwidth Product	3	MHz
Current - Input Bias	150	nA
Voltage - Input Offset	500	µV
Current - Supply (per Channel)	2.5	mA
Current - Output / Channel	10	mA
Voltage - Supply Span (Min)	10	V
Voltage - Supply Span (Max)	30	V
Operating Temperature Range	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the RC4558ID are classified into two functional categories based on amplifier type and electrical performance characteristics:

Category 1: General Purpose Amplifiers (Direct Functional Equivalents) These parts maintain the general-purpose amplifier classification and operate within compatible supply voltage ranges (10V to 30V minimum/maximum). Substitutes in this category include RC4558IDR, ADA4004-2ARZ, ADA4004-2ARZ-R7, ADA4004-2ARZ-RL, AS358MTR-G1, BA4558F-E2, and BA4558RF-E2. These parts preserve the dual-circuit configuration and differential output characteristics essential for direct replacement in existing circuit designs.

Category 2: J-FET Amplifiers (Performance-Enhanced Alternatives) These parts employ J-FET input stages rather than bipolar input stages, resulting in significantly lower input bias current (2 pA to 20 pA versus 150 nA). Substitutes in this category include ADTL082ARZ-REEL, ADTL082ARZ-REEL7, and LF253DT. These parts maintain 8-SOIC packaging and dual-circuit configuration but offer enhanced slew rate and input bias current performance. J-FET variants require circuit validation due to different input impedance characteristics.

Substitution Criteria:

Package compatibility: 8-SOIC surface mount form factor
Dual-circuit configuration: 2 operational amplifiers per package
Supply voltage overlap: Minimum 10V to 30V maximum operating range
Output stage compatibility: Differential output capability
Compliance certifications: ROHS3 compliance and MSL rating compatibility
Operating temperature: Minimum -40°C to maximum 85°C or higher

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (nA)	Input Offset (µV)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package
RC4558ID	Texas Instruments	General Purpose	1.7	3	150	500	10	30	-40 to 85	8-SOIC
RC4558IDR	Texas Instruments	General Purpose	1.7	3	150	500	10	30	-40 to 85	8-SOIC
ADA4004-2ARZ	Analog Devices Inc.	General Purpose	2.7	12	40	40	10	30	-40 to 125	8-SOIC
ADA4004-2ARZ-R7	Analog Devices Inc.	General Purpose	2.7	12	40	40	10	30	-40 to 125	8-SOIC
ADA4004-2ARZ-RL	Analog Devices Inc.	General Purpose	2.7	12	40	40	10	30	-40 to 125	8-SOIC
ADTL082ARZ-REEL	Analog Devices Inc.	J-FET	20	5	0.002	1500	8	36	-40 to 125	8-SOIC
ADTL082ARZ-REEL7	Analog Devices Inc.	J-FET	20	5	0.002	1500	8	36	-40 to 125	8-SOIC
AS358MTR-G1	Diodes Incorporated	General Purpose	—	—	20	2000	3	36	-40 to 85	8-SOIC
BA4558F-E2	Rohm Semiconductor	General Purpose	1.2	2	60	500	8	30	-40 to 85	8-SOIC
BA4558RF-E2	Rohm Semiconductor	General Purpose	1	2	60	500	8	30	-40 to 105	8-SOIC
LF253DT	STMicroelectronics	J-FET	16	4	0.02	3000	6	36	-40 to 105	8-SOIC

Engineering Selection Recommendations

Primary Substitute: RC4558IDR RC4558IDR is the manufacturer-recommended direct substitute from Texas Instruments. This part maintains identical electrical specifications to the RC4558ID across all critical parameters: slew rate (1.7V/µs), gain bandwidth product (3 MHz), input bias current (150 nA), and input offset voltage (500 µV). The only difference is packaging format (Cut Tape & Digi-Reel versus Tube), which does not affect electrical performance. RC4558IDR carries Active product status with 67,510 units in stock, ensuring long-term availability. This part is ROHS3 compliant with MSL 1 rating, matching the original part's compliance profile.

Secondary Substitutes: ADA4004-2ARZ Series The ADA4004-2ARZ, ADA4004-2ARZ-R7, and ADA4004-2ARZ-RL variants from Analog Devices Inc. offer enhanced performance characteristics while maintaining supply voltage compatibility (10V to 30V). These parts feature higher slew rate (2.7V/µs versus 1.7V/µs), superior gain bandwidth product (12 MHz versus 3 MHz), and significantly lower input bias current (40 nA versus 150 nA). Extended operating temperature range (-40°C to 125°C) provides additional thermal margin. All three variants are ROHS3 compliant with MSL 1 rating and Active product status. Selection among the three variants depends on packaging requirements: ADA4004-2ARZ (Tube), ADA4004-2ARZ-R7 (Cut Tape & Digi-Reel), or ADA4004-2ARZ-RL (Tape & Reel).

Tertiary Substitutes: BA4558F-E2 and BA4558RF-E2 Rohm Semiconductor BA4558 series parts provide general-purpose amplifier functionality in 8-SOIC packaging with supply voltage compatibility (8V to 30V minimum/maximum). BA4558F-E2 operates across -40°C to 85°C, matching the original temperature range. BA4558RF-E2 extends the upper temperature limit to 105°C. Both parts maintain input offset voltage specification (500 µV) and output current capability (10 mA per channel). These parts are ROHS3 compliant with MSL 1 rating and Active product status. Slew rate is slightly reduced (1.2V/µs and 1V/µs respectively) compared to the RC4558ID.

J-FET Alternatives: ADTL082ARZ-REEL, ADTL082ARZ-REEL7, and LF253DT These J-FET input amplifiers provide substantially lower input bias current (2 pA to 20 pA) and higher slew rate (16V/µs to 20V/µs) compared to the RC4558ID. These characteristics make them suitable for applications requiring high input impedance or fast transient response. However, J-FET input stages exhibit higher input offset voltage (1.5 mV to 3 mV) and different input impedance characteristics. Circuit validation is required before substitution. All three parts are ROHS3 compliant with MSL 1 rating and Active product status. ADTL082ARZ variants operate to 125°C; LF253DT operates to 105°C.

Low-Cost Alternative: AS358MTR-G1 Diodes Incorporated AS358MTR-G1 offers general-purpose amplifier functionality with extended supply voltage range (3V to 36V) and high output current capability (40 mA per channel). This part is suitable for low-voltage applications and provides the highest inventory availability (300,300 units). However, slew rate and gain bandwidth product specifications are not provided. MSL rating is 3 (168 Hours), requiring moisture control during storage and handling compared to MSL 1 for other substitutes.

Frequently Asked Questions (FAQ)

Q1: Can RC4558IDR be used as a direct replacement for RC4558ID without circuit modification?

A: Yes. RC4558IDR is the manufacturer-recommended substitute with identical electrical specifications across all parameters: slew rate, gain bandwidth product, input bias current, input offset voltage, supply voltage range, and operating temperature. The only difference is packaging format (Cut Tape & Digi-Reel versus Tube), which does not affect circuit performance. No circuit modification is required.

Q2: What are the key differences between general-purpose and J-FET amplifier substitutes?

A: General-purpose amplifiers (RC4558IDR, ADA4004-2ARZ series, BA4558 series) use bipolar input stages with input bias current in the nanoampere range (40 nA to 150 nA). J-FET amplifiers (ADTL082ARZ-REEL, LF253DT) use J-FET input stages with input bias current in the picoampere range (2 pA to 20 pA). J-FET variants offer higher input impedance and lower input bias current but exhibit higher input offset voltage and different frequency response characteristics. Circuit validation is required before substituting J-FET variants for general-purpose types.

Q3: Are the ADA4004-2ARZ variants (ARZ, ARZ-R7, ARZ-RL) electrically identical?

A: Yes. ADA4004-2ARZ, ADA4004-2ARZ-R7, and ADA4004-2ARZ-RL are electrically identical. The suffix designates packaging format only: ARZ (Tube), ARZ-R7 (Cut Tape & Digi-Reel), and ARZ-RL (Tape & Reel). Selection depends on procurement and assembly requirements, not electrical performance.

Q4: Can BA4558F-E2 and BA4558RF-E2 be used interchangeably?

A: BA4558F-E2 and BA4558RF-E2 are electrically similar but differ in operating temperature range and slew rate. BA4558F-E2 operates -40°C to 85°C with 1.2V/µs slew rate. BA4558RF-E2 operates -40°C to 105°C with 1V/µs slew rate. Selection depends on application temperature requirements. Both parts are ROHS3 compliant with MSL 1 rating.

Q5: What supply voltage range must be maintained for all substitutes?

A: The RC4558ID operates 10V to 30V. Substitutes maintain this range as minimum requirement: RC4558IDR (10V to 30V), ADA4004-2ARZ series (10V to 30V), BA4558 series (8V to 30V), ADTL082ARZ-REEL variants (8V to 36V), and LF253DT (6V to 36V). All substitutes support the original 10V to 30V operating window. Extended range substitutes provide additional design flexibility for applications requiring lower or higher supply voltages.

Q6: Which substitute offers the best performance improvement over RC4558ID?

A: ADA4004-2ARZ series provides the most significant performance improvement: 4× higher gain bandwidth product (12 MHz versus 3 MHz), 3.75× lower input bias current (40 nA versus 150 nA), and 12.5× lower input offset voltage (40 µV versus 500 µV). Extended operating temperature range (-40°C to 125°C) provides additional thermal margin. These improvements make ADA4004-2ARZ series suitable for precision analog signal processing applications.

Q7: What is the significance of MSL (Moisture Sensitivity Level) rating?

A: MSL rating indicates moisture sensitivity during storage and handling. RC4558ID and most substitutes carry MSL 1 (Unlimited), meaning no moisture control is required during storage. AS358MTR-G1 carries MSL 3 (168 Hours), requiring moisture control and baking procedures before soldering if storage exceeds 168 hours in uncontrolled humidity. For high-volume production, MSL 1 parts reduce process complexity.

Q8: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitutes are ROHS3 compliant, matching the RC4558ID compliance status. This ensures compatibility with environmental regulations and customer requirements for lead-free manufacturing.

Q9: What inventory considerations should guide substitute selection?

A: RC4558IDR offers 67,510 units in stock (highest among direct equivalents). ADA4004-2ARZ series variants range from 3,437 to 7,241 units. BA4558 series offers 35,200 to 165,200 units. AS358MTR-G1 provides the highest inventory (300,300 units) but carries MSL 3 rating. For long-term design continuity, RC4558IDR or ADA4004-2ARZ series are recommended due to manufacturer support and adequate stock levels.

Q10: Can LF253DT be used in applications requiring the exact input offset voltage specification of RC4558ID?

A: No. LF253DT exhibits 3 mV input offset voltage compared to RC4558ID's 500 µV specification. This 6× difference is significant for precision analog applications. LF253DT is suitable for applications where low input bias current (20 pA) and high slew rate (16V/µs) are prioritized over input offset voltage accuracy. Circuit validation and offset trimming may be required.

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