LM1458CM Equivalent & Substitute Parts

Part Overview

The LM1458CM is a general-purpose operational amplifier featuring two circuits in an 8-SOIC surface mount package, manufactured by onsemi. This device is classified as obsolete, with 3,300 units currently in stock. The LM1458CM operates across a supply voltage span of 36 V and is suitable for applications requiring dual-channel amplification in compact form factors.

Due to its obsolete status, identifying equivalent and substitute parts is essential for design continuity, long-term availability assurance, and system reliability. Active alternatives with comparable or enhanced electrical characteristics are available from multiple manufacturers.

Key Parameters

Parameter	LM1458CM Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Slew Rate	0.5	V/µs
Current - Input Bias	80	nA
Voltage - Input Offset	2	mV
Current - Supply	2.3 (x2 Channels)	mA
Current - Output / Channel	20	mA
Voltage - Supply Span (Min)	36	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	0 to 70	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the LM1458CM is determined by the following critical parameters:

Electrical Compatibility Criteria:

Number of circuits (must be 2)
Package type (8-SOIC or equivalent 8-pin surface mount)
Voltage supply span compatibility (minimum 36 V support)
Operating temperature range (must encompass or exceed 0°C to 70°C)
Amplifier type classification (general purpose, audio, or J-FET variants acceptable)

Mechanical Compatibility Criteria:

Surface mount configuration
8-pin package footprint (0.154" or 0.173" width variants)

Substitute parts are grouped into three categories based on amplifier type and electrical performance characteristics:

General Purpose Amplifiers (Active Status): MC33078DR2G, SE5532AD8R2G, BA4558F-E2, BA4558RF-E2, BA4560F-E1, BA4560F-E2, BA4560RF-E2
Audio Amplifiers (Active Status): LM833DR2G
J-FET Amplifiers (Active Status): ADTL082ARZ-REEL7, LF253DT

All substitute parts listed are in active product status with RoHS3 compliance and REACH unaffected designation, ensuring long-term availability and regulatory compliance.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	Input Bias (nA)	Input Offset (mV)	Supply Current (mA)	Output Current (mA)	Supply Span Min (V)	Supply Span Max (V)	Temp Range (°C)	Package	Status
LM1458CM	onsemi	General Purpose	0.5	80	2	2.3	20	36	36	0 to 70	8-SOIC	Obsolete
LM833DR2G	onsemi	Audio	7	300	0.3	4	29	10	36	-40 to 85	8-SOIC	Active
MC33078DR2G	onsemi	General Purpose	7	300	0.15	4.1	37	10	36	-40 to 85	8-SOIC	Active
SE5532AD8R2G	onsemi	General Purpose	9	300	0.5	8	38	6	40	-55 to 125	8-SOIC	Active
ADTL082ARZ-REEL7	Analog Devices Inc.	J-FET	20	0.002	1.5	1.2	27	8	36	-40 to 125	8-SOIC	Active
BA4558F-E2	Rohm Semiconductor	General Purpose	1.2	60	0.5	—	10	8	30	-40 to 85	8-SOP	Active
BA4558RF-E2	Rohm Semiconductor	General Purpose	1	60	0.5	3	10	8	30	-40 to 105	8-SOP	Active
BA4560F-E1	Rohm Semiconductor	General Purpose	4	50	0.5	—	25	8	30	-40 to 85	8-SOP	Active
BA4560F-E2	Rohm Semiconductor	General Purpose	4	50	0.5	—	25	8	30	-40 to 85	8-SOP	Active
BA4560RF-E2	Rohm Semiconductor	General Purpose	4	50	0.5	3	25	8	30	-40 to 105	8-SOP	Active
LF253DT	STMicroelectronics	J-FET	16	0.02	3	1.4	40	6	36	-40 to 105	8-SOIC	Active

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

MC33078DR2G and SE5532AD8R2G are the preferred substitutes for the LM1458CM. Both are manufactured by onsemi, maintain the 8-SOIC package footprint, support the full 36 V supply span, and are in active product status. MC33078DR2G offers general-purpose amplification with enhanced slew rate (7 V/µs) and improved input offset voltage (0.15 mV). SE5532AD8R2G extends the operating temperature range to -55°C to 125°C and supports supply voltages up to 40 V, providing additional design margin.

Secondary Substitutes (Package Variant Consideration):

LM833DR2G provides audio-grade amplification in the 8-SOIC package with active status and full 36 V supply span support. This substitute is suitable for audio signal processing applications requiring enhanced slew rate performance (7 V/µs).

J-FET Alternatives (Low Input Bias Current Applications):

ADTL082ARZ-REEL7 and LF253DT are J-FET input amplifiers offering extremely low input bias current (2 pA and 20 pA respectively) compared to the LM1458CM (80 nA). These devices are appropriate for high-impedance signal conditioning applications. Both maintain 8-SOIC package compatibility and support the 36 V supply span. LF253DT additionally supports extended temperature operation (-40°C to 105°C).

Rohm Semiconductor Alternatives (Package Width Variant):

BA4558F-E2, BA4558RF-E2, BA4560F-E1, BA4560F-E2, and BA4560RF-E2 are general-purpose amplifiers in 8-SOP package format (0.173" width variant). These devices are active and RoHS3 compliant but operate at reduced maximum supply voltage (30 V maximum). Selection of these parts requires verification that the 30 V maximum supply span is compatible with the application circuit design.

All recommended substitutes carry RoHS3 compliance and REACH unaffected status, ensuring regulatory alignment and long-term supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the MC33078DR2G directly replace the LM1458CM without circuit modification?

A: MC33078DR2G is mechanically and electrically compatible with the LM1458CM. Both devices feature identical 8-SOIC package footprints, dual-circuit configuration, and support 36 V supply operation. The MC33078DR2G exhibits superior electrical performance with higher slew rate (7 V/µs versus 0.5 V/µs) and lower input offset voltage (0.15 mV versus 2 mV). Direct pin-for-pin substitution is supported without circuit modification.

Q: What is the primary difference between general-purpose and J-FET amplifier substitutes?

A: General-purpose amplifiers (MC33078DR2G, SE5532AD8R2G, BA4560F-E2) utilize bipolar input stages with input bias currents in the range of 50 to 300 nanoamperes. J-FET amplifiers (ADTL082ARZ-REEL7, LF253DT) employ field-effect transistor input stages, resulting in input bias currents of 2 to 20 picoamperes. J-FET variants are selected for applications requiring high input impedance and minimal input current loading, such as precision instrumentation and high-impedance sensor interfaces.

Q: Are the Rohm Semiconductor BA4560 series parts suitable substitutes despite the 30 V maximum supply rating?

A: BA4560 series devices (BA4560F-E1, BA4560F-E2, BA4560RF-E2) are compatible substitutes only for applications operating at supply voltages not exceeding 30 V. The LM1458CM supports 36 V operation; therefore, these Rohm parts are appropriate only if the application circuit design operates within the 30 V maximum specification. Verification of actual supply voltage requirements is mandatory before selection.

Q: What packaging considerations apply when selecting substitute parts?

A: The LM1458CM utilizes an 8-SOIC package with 0.154" width. MC33078DR2G, SE5532AD8R2G, ADTL082ARZ-REEL7, and LF253DT maintain identical 8-SOIC footprints and are directly compatible. Rohm Semiconductor BA4558 and BA4560 series devices employ 8-SOP package format with 0.173" width. While both package types are 8-pin surface mount configurations, the 0.173" width variant requires PCB layout verification to confirm pad spacing compatibility. Consult PCB design documentation and component datasheets to confirm footprint alignment.

Q: Which substitute offers the widest operating temperature range?

A: SE5532AD8R2G provides the widest operating temperature range of -55°C to 125°C, compared to the LM1458CM specification of 0°C to 70°C. This extended range is beneficial for applications requiring operation in extreme thermal environments. LF253DT and BA4560RF-E2 also support -40°C to 105°C operation, providing enhanced low-temperature performance relative to the original device.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed in this reference are RoHS3 compliant and carry REACH unaffected status. This ensures regulatory compliance with current environmental and hazardous substance directives applicable to electronic component manufacturing and distribution.

Q: What is the significance of product status (Active versus Obsolete)?

A: Product status indicates manufacturer commitment to ongoing production and supply chain availability. The LM1458CM is classified as obsolete, indicating discontinued production and limited remaining inventory (3,300 units). All recommended substitutes are in active status, ensuring long-term availability, continued manufacturing support, and supply chain reliability for new designs and production requirements.

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