LM301ADG Equivalent & Substitute Parts

Part Overview

The LM301ADG is a general-purpose operational amplifier manufactured by onsemi, housed in an 8-SOIC surface mount package. This device is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design requirements and production continuity. The LM301ADG operates across a supply voltage range of 10V to 36V with a slew rate of 0.5V/µs and is suitable for general-purpose amplification applications requiring low input bias current and minimal input offset voltage.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Slew Rate	0.5	V/µs
Current - Input Bias	70	nA
Voltage - Input Offset	2	mV
Current - Supply	1.8	mA
Voltage - Supply Span (Min)	10	V
Voltage - Supply Span (Max)	36	V
Operating Temperature Range	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 LM301ADG is determined by compatibility across the following critical parameters: package type (8-SOIC surface mount), amplifier classification (general-purpose), number of circuits (single), supply voltage range overlap, slew rate capability, and operating temperature requirements. The substitute parts are grouped into two categories based on electrical performance characteristics:

Category 1: Direct Electrical Equivalents (Matched Slew Rate) Parts maintaining the 0.5V/µs slew rate specification of the LM301ADG, ensuring identical frequency response characteristics in existing circuit designs.

Category 2: Higher Performance Alternatives (Enhanced Slew Rate) Parts with 13V/µs slew rate, providing superior transient response and bandwidth performance while maintaining general-purpose amplifier functionality and 8-SOIC packaging.

Substitution compatibility requires verification that the substitute part's supply voltage range encompasses the application's operating voltage, and that the operating temperature range meets or exceeds the design requirements.

Parameter Comparison

Part Number	Manufacturer	Slew Rate (V/µs)	Input Bias Current (nA)	Input Offset Voltage (mV/µV)	Supply Current (mA)	Supply Voltage Min (V)	Supply Voltage Max (V)	Operating Temp (°C)	Product Status	Package
LM301ADG	onsemi	0.5	70	2 mV	1.8	10	36	0 to 70	Obsolete	8-SOIC
LM201ADT	STMicroelectronics	0.5	25	700 µV	1.8	10	44	-40 to 105	Active	8-SOIC
NE5534AD	onsemi	13	500	500 µV	4	6	40	0 to 70	Obsolete	8-SOIC
NE5534ADR	Texas Instruments	13	500	500 µV	4	10	30	0 to 70	Last Time Buy	8-SOIC
NE5534D	onsemi	13	500	500 µV	4	6	40	0 to 70	Obsolete	8-SOIC
SA5534AD	onsemi	13	500	500 µV	4	6	40	-40 to 85	Obsolete	8-SOIC
SA5534ADR	Texas Instruments	13	500	500 µV	4	10	30	-40 to 85	Last Time Buy	8-SOIC
SA5534D	Texas Instruments	13	500	500 µV	4	10	30	-40 to 85	Last Time Buy	8-SOIC
SA5534PSR	Texas Instruments	13	500	500 µV	4	10	30	-40 to 85	Last Time Buy	8-SOIC

Engineering Selection Recommendations

Primary Recommendation: LM201ADT

The LM201ADT manufactured by STMicroelectronics is the optimal substitute for the LM301ADG. This part maintains electrical compatibility through identical slew rate (0.5V/µs) and supply current (1.8mA) specifications, ensuring direct functional equivalence in existing circuit designs. The LM201ADT offers an extended supply voltage range (10V to 44V) that encompasses the LM301ADG operating window, and an expanded operating temperature range (-40°C to 105°C) that exceeds the original specification. The device carries Active product status with ROHS3 compliance, providing long-term availability and regulatory alignment. The 8-SOIC package is mechanically and electrically identical to the LM301ADG.

Secondary Recommendations: NE5534ADR and SA5534ADR

For applications requiring enhanced slew rate performance (13V/µs), the NE5534ADR (Texas Instruments) and SA5534ADR (Texas Instruments) provide higher bandwidth capability while maintaining 8-SOIC packaging. Both devices carry Last Time Buy status with ROHS3 compliance. The NE5534ADR operates across 0°C to 70°C, matching the LM301ADG temperature range, while the SA5534ADR extends to -40°C to 85°C. Supply voltage compatibility requires verification: both parts specify 10V to 30V range, which is narrower than the LM301ADG maximum of 36V. These substitutes are suitable only for applications operating within the 10V to 30V supply window.

Alternative: SA5534D

The SA5534D (Texas Instruments) in Tube packaging offers Last Time Buy status with ROHS3 compliance and identical electrical specifications to SA5534ADR. This part is suitable for applications requiring higher slew rate performance within the 10V to 30V supply range and -40°C to 85°C operating temperature.

Frequently Asked Questions (FAQ)

Q: Can the LM201ADT directly replace the LM301ADG without circuit modification?

A: Yes. The LM201ADT maintains identical slew rate (0.5V/µs) and supply current (1.8mA) specifications. The 8-SOIC package is mechanically and electrically compatible. The extended supply voltage range (10V to 44V) and operating temperature range (-40°C to 105°C) provide enhanced capability without requiring design changes.

Q: What is the primary difference between the LM301ADG and the NE5534ADR?

A: The NE5534ADR provides a 26-fold increase in slew rate (13V/µs versus 0.5V/µs), resulting in significantly faster transient response and higher bandwidth capability. This enhanced performance comes at the cost of increased supply current (4mA versus 1.8mA) and a narrower maximum supply voltage specification (30V versus 36V). The NE5534ADR is suitable only for applications where the supply voltage does not exceed 30V.

Q: Are all substitute parts available in the same 8-SOIC package?

A: All substitute parts listed are available in 8-SOIC surface mount packaging with 0.154" (3.90mm) width, except SA5534PSR, which uses an 8-SO package with 0.209" (5.30mm) width. Verify PCB footprint compatibility before selecting SA5534PSR.

Q: What does "Last Time Buy" product status mean?

A: Last Time Buy indicates that the manufacturer has announced end-of-life for the part. Existing inventory is available for purchase, but no new production will occur after the specified cutoff date. Parts with this status should be evaluated for long-term supply chain planning.

Q: Can I use a higher slew rate part (NE5534ADR) as a drop-in replacement?

A: The NE5534ADR is mechanically compatible (8-SOIC package) but electrically different due to higher slew rate, increased supply current, and narrower supply voltage range. Use only if the application operates within 10V to 30V supply range and benefits from enhanced bandwidth. Verify circuit performance through testing if the original design was optimized for the 0.5V/µs slew rate characteristic.

Q: Which substitute offers the best long-term availability?

A: The LM201ADT carries Active product status, indicating ongoing production and long-term availability. All other substitutes are classified as Obsolete or Last Time Buy, indicating limited future supply.

Q: Does the LM201ADT require different PCB layout considerations?

A: No. The LM201ADT uses identical 8-SOIC packaging (0.154", 3.90mm width) and pinout as the LM301ADG. Existing PCB layouts require no modification.

Q: What compliance certifications apply to the substitute parts?

A: The LM201ADT carries ROHS3 compliance. The NE5534ADR, SA5534ADR, SA5534D, and SA5534PSR all carry ROHS3 compliance. All parts listed are REACH Unaffected. Verify specific compliance requirements for your application before final part selection.

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