LM1458M Equivalent & Substitute Parts

Part Overview

The LM1458M is a general-purpose operational amplifier featuring dual circuits in an 8-SOIC surface mount package, manufactured by Texas Instruments. This device is classified as Last Time Buy, indicating discontinued production with limited availability. The LM1458M operates across a ±18V supply span with a 1 MHz gain bandwidth product and 0.5V/µs slew rate, suitable for general analog signal processing applications requiring moderate bandwidth and low input bias current specifications.

Equivalent and substitute parts are necessary due to the Last Time Buy status of the LM1458M. Alternative devices with matching or superior electrical characteristics and identical packaging enable design continuity and long-term supply chain reliability.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Slew Rate	0.5	V/µs
Gain Bandwidth Product	1	MHz
Current - Input Bias	200	nA
Voltage - Input Offset	1	mV
Current - Supply	3 (x2 Channels)	mA
Voltage - Supply Span	36	V
Operating Temperature	0 to 70	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution logic for the LM1458M is based on the following critical parameters:

Primary Substitution Criteria:

Package compatibility: 8-SOIC form factor (0.154", 3.90mm width) for direct PCB replacement
Dual-circuit configuration: 2 operational amplifiers per package
Supply voltage range: Minimum 36V span to accommodate ±18V operation
Amplifier type classification: General Purpose topology for signal processing applications

Secondary Compatibility Parameters:

Slew rate: 0.5V/µs or greater ensures signal fidelity in time-sensitive circuits
Gain bandwidth product: 1 MHz or greater maintains frequency response characteristics
Input bias current: 200 nA or lower prevents loading effects in high-impedance circuits
Input offset voltage: 1 mV or lower ensures DC accuracy
Supply current: 3 mA per channel or lower for power budget compliance
Operating temperature: 0°C to 70°C minimum range for industrial applications

Substitute parts are grouped into two categories: Direct Equivalents (identical electrical specifications and packaging) and Functional Alternatives (superior electrical performance with compatible packaging and supply requirements).

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (nA)	Input Offset (mV/µV)	Supply Current (mA/µA)	Supply Span (V)	Temp Range (°C)	Package	Status
LM1458M	Texas Instruments	General Purpose	0.5	1	200	1	3	36	0 to 70	8-SOIC	Last Time Buy
LM1458M/NOPB	Texas Instruments	General Purpose	0.5	1	200	1	3	36	0 to 70	8-SOIC	Active
LM1458MX/NOPB	National Semiconductor	General Purpose	0.5	1	200	1	3	36	0 to 70	8-SOIC	Active
ADA4062-2ARZ-R7	Analog Devices Inc.	J-FET	3.3	1.4	0.002	0.75 µV	0.165	8 to 36	-40 to 125	8-SOIC	Active
ADA4062-2BRZ	Analog Devices Inc.	J-FET	3.3	1.4	0.002	0.5 µV	0.165	8 to 36	-40 to 125	8-SOIC	Active
ADA4062-2BRZ-R7	Analog Devices Inc.	J-FET	3.3	1.4	0.002	0.5 µV	0.165	8 to 36	-40 to 125	8-SOIC	Active
AS358MTR-E1	Diodes Incorporated	General Purpose	—	—	20	2	0.7	3 to 36	-40 to 85	8-SOIC	Active
AS358MTR-G1	Diodes Incorporated	General Purpose	—	—	20	2	0.7	3 to 36	-40 to 85	8-SOIC	Active
BA3404F-E2	Rohm Semiconductor	General Purpose	1.2	1.2	70	2	2	4 to 36	-40 to 85	8-SOP	Active
BA4558F-E2	Rohm Semiconductor	General Purpose	1.2	2	60	0.5 µV	—	8 to 30	-40 to 85	8-SOP	Active
BA4560F-E1	Rohm Semiconductor	General Purpose	4	10	50	0.5 µV	—	8 to 30	-40 to 85	8-SOP	Active

Engineering Selection Recommendations

Direct Equivalent Selection:

LM1458M/NOPB (Texas Instruments, Active status) is the primary direct equivalent. This part maintains identical electrical specifications and 8-SOIC packaging while offering Active product status with established supply chain availability. Selection of LM1458M/NOPB eliminates design modification requirements and ensures pin-for-pin compatibility.

LM1458MX/NOPB (National Semiconductor, Active status) provides an alternative direct equivalent with matching electrical parameters and packaging. This part is suitable for applications where secondary-source qualification is acceptable.

Functional Alternative Selection for Enhanced Performance:

ADA4062-2ARZ-R7, ADA4062-2BRZ, and ADA4062-2BRZ-R7 (Analog Devices Inc., Active status) offer superior electrical performance through J-FET input architecture. These parts provide significantly lower input bias current (2 pA versus 200 nA), reduced input offset voltage (0.5–0.75 µV versus 1 mV), and extended operating temperature range (-40°C to 125°C). Supply voltage minimum is reduced to 8V, expanding application flexibility. These alternatives are suitable for precision analog circuits where input impedance and offset voltage are critical parameters. 8-SOIC packaging ensures direct PCB replacement.

AS358MTR-E1 and AS358MTR-G1 (Diodes Incorporated, Active status) provide general-purpose operation with extended supply voltage range (3V to 36V) and lower input bias current (20 nA). These parts are suitable for low-voltage applications and offer high inventory availability. 8-SOIC packaging enables direct substitution.

BA3404F-E2, BA4558F-E2, and BA4560F-E1 (Rohm Semiconductor, Active status) offer progressive performance enhancements with increased slew rate and gain bandwidth product. BA4560F-E1 provides the highest performance tier (4V/µs slew rate, 10 MHz GBW) for bandwidth-critical applications. These parts use 8-SOP packaging (0.173", 4.40mm width), which differs from the LM1458M 8-SOIC footprint and requires PCB layout modification.

Compliance Considerations:

All substitute parts listed maintain ROHS3 compliance and REACH unaffected status, matching the environmental qualification of the LM1458M. Moisture sensitivity levels range from MSL 1 (Unlimited) to MSL 3 (168 Hours), requiring appropriate handling protocols during assembly.

Frequently Asked Questions (FAQ)

Q: Can LM1458M/NOPB be used as a direct replacement for LM1458M?

A: Yes. LM1458M/NOPB is electrically and mechanically identical to LM1458M, with the primary difference being Active product status and packaging format (Tube). Both parts feature identical electrical specifications, 8-SOIC packaging, and pin configuration. No circuit modification is required.

Q: What is the difference between 8-SOIC and 8-SOP packaging?

A: 8-SOIC (0.154", 3.90mm width) and 8-SOP (0.173", 4.40mm width) are distinct surface mount packages with different body widths and lead pitches. While both are 8-pin configurations, they are not mechanically interchangeable on PCB layouts. Rohm BA-series parts (BA3404F-E2, BA4558F-E2, BA4560F-E1) use 8-SOP packaging and require PCB redesign for implementation.

Q: Are J-FET input amplifiers (ADA4062 series) compatible with LM1458M circuits?

A: J-FET input amplifiers are functionally compatible with general-purpose bipolar input designs in most applications. The ADA4062 series offers superior input bias current (2 pA versus 200 nA) and lower input offset voltage (0.5–0.75 µV versus 1 mV). However, J-FET inputs exhibit different input impedance characteristics and temperature drift behavior. Circuit validation is necessary for precision DC applications or high-impedance signal sources.

Q: What is the minimum supply voltage for LM1458M operation?

A: The LM1458M requires a minimum supply span of 36V, typically implemented as ±18V dual supply. Single-supply operation is not supported. Substitute parts with lower minimum supply voltages (AS358 series at 3V, ADA4062 series at 8V) enable single-supply configurations but require circuit topology modification.

Q: Which substitute part offers the best performance for high-frequency applications?

A: BA4560F-E1 provides the highest gain bandwidth product (10 MHz) and slew rate (4V/µs) among listed substitutes. This part is suitable for applications requiring bandwidth exceeding 1 MHz. However, 8-SOP packaging requires PCB layout modification. For direct 8-SOIC replacement with enhanced bandwidth, ADA4062 series (1.4 MHz GBW, 3.3V/µs slew rate) is recommended.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance status, matching the environmental qualification of the LM1458M. REACH unaffected status is confirmed for all parts, ensuring regulatory compliance for EU market applications.

Q: What is the inventory status of substitute parts?

A: LM1458M/NOPB (1,630 pcs), LM1458MX/NOPB (24,832 pcs), and AS358MTR-G1 (300,300 pcs) offer the highest inventory availability. ADA4062 series parts range from 919 to 17,915 pcs. Rohm BA-series parts range from 2,100 to 165,200 pcs. Inventory levels should be verified with suppliers for long-term production requirements.

Q: Can AS358MTR parts operate at the ±18V supply voltage of LM1458M?

A: Yes. AS358MTR parts support supply voltage range from 3V to 36V, accommodating ±18V dual-supply operation. However, the maximum supply span is 36V (compared to LM1458M specification), requiring verification that circuit design does not exceed this limit. Input bias current is significantly lower (20 nA versus 200 nA), which may affect high-impedance circuit behavior.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message