LF353DRE4 Equivalent & Substitute Parts

Part Overview

The LF353DRE4 is a J-FET input operational amplifier manufactured by Texas Instruments, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This component is classified as obsolete, though 5,856 units remain in stock as new original inventory. The LF353DRE4 is supplied in Tape & Reel (TR) packaging format.

Finding equivalent and substitute parts for the LF353DRE4 is necessary due to its obsolete product status. Active alternatives with identical or superior electrical characteristics and compatible packaging are available from multiple manufacturers, ensuring design continuity and long-term supply chain reliability.

Key Parameters

Parameter	Value
Amplifier Type	J-FET
Number of Circuits	2
Slew Rate	13 V/µs
Gain Bandwidth Product	3 MHz
Current - Input Bias	50 pA
Voltage - Input Offset	5 mV
Current - Supply	3.6 mA (x2 Channels)
Current - Output / Channel	40 mA
Voltage - Supply Span (Min)	7 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	0°C to 70°C
Package / Case	8-SOIC (0.154", 3.90 mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution logic for the LF353DRE4 is based on the following critical parameters:

Primary Substitution Criteria:

Amplifier Type: J-FET input topology
Number of Circuits: Dual-channel (2 circuit) configuration
Package / Case: 8-SOIC form factor
Mounting Type: Surface Mount
Voltage Supply Range: Minimum 7 V to maximum 36 V overlap
Operating Temperature: 0°C to 70°C compatibility

Secondary Compatibility Parameters:

Slew Rate: 13 V/µs or greater
Gain Bandwidth Product: 3 MHz or greater
Current - Input Bias: 50 pA or lower
Voltage - Input Offset: 5 mV or lower
Current - Supply: 3.6 mA (x2 Channels) or lower
Current - Output / Channel: 40 mA or greater

Substitute parts are grouped into two categories:

Category A - Direct J-FET Substitutes (Highest Compatibility): Parts maintaining J-FET amplifier topology with identical or superior electrical performance within the specified parameter ranges. These include LF353DR, LF353M/NOPB, LF353MX/NOPB, and LF353DT.

Category B - Alternative Topology Substitutes (Conditional Compatibility): Parts with different amplifier types (Audio or General Purpose) that meet the dual-channel, 8-SOIC package requirement and supply voltage range. These include ADTL082ARZ-REEL7, LM833DT, NJM4558E-TE2, OP275GSZ, OP275GSZ-REEL, and OP275GSZ-REEL7. These require circuit-level evaluation for application-specific compatibility.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (mV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Status
LF353DRE4	Texas Instruments	J-FET	13	3	50	5	3.6	40	7	36	0 to 70	Obsolete
LF353DR	Texas Instruments	J-FET	13	3	50	5	3.6	40	7	36	0 to 70	Active
LF353M/NOPB	Texas Instruments	J-FET	13	4	50	5	3.6	—	10	36	0 to 70	Active
LF353MX/NOPB	Texas Instruments	J-FET	13	4	50	5	3.6	—	10	36	0 to 70	Active
LF353DT	STMicroelectronics	J-FET	16	4	20	3	1.4	40	6	36	0 to 70	Active
ADTL082ARZ-REEL7	Analog Devices Inc.	J-FET	20	5	2	1.5	1.2	27	8	36	-40 to 125	Active
LM833DT	STMicroelectronics	Audio	7	15	300	0.3	4	37	5	30	-40 to 105	Active
NJM4558E-TE2	Nisshinbo Micro Devices Inc.	General Purpose	1	3	25	0.5	3.5	—	8	36	-40 to 85	Active
OP275GSZ	Analog Devices Inc.	Audio	22	9	100	1	4	90	9	44	-40 to 85	Active
OP275GSZ-REEL	Analog Devices Inc.	Audio	22	9	100	1	4	90	9	44	-40 to 85	Active
OP275GSZ-REEL7	Analog Devices Inc.	Audio	22	9	100	1	4	90	9	44	-40 to 85	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

The LF353DR is the primary recommended substitute for the LF353DRE4. Both parts are manufactured by Texas Instruments, share identical J-FET amplifier topology, and meet all electrical specifications. The LF353DR is in active product status with 65,300 units in stock. The only difference is packaging format: LF353DR is supplied in Cut Tape (CT) & Digi-Reel® format instead of Tape & Reel (TR). Both are ROHS3 compliant with MSL 1 rating.

For Enhanced Performance with J-FET Topology:

The LF353DT (STMicroelectronics) and ADTL082ARZ-REEL7 (Analog Devices Inc.) offer superior electrical characteristics while maintaining J-FET input architecture. The LF353DT provides improved slew rate (16 V/µs vs. 13 V/µs), lower input bias current (20 pA vs. 50 pA), and reduced supply current (1.4 mA vs. 3.6 mA). The ADTL082ARZ-REEL7 delivers the highest performance with 20 V/µs slew rate, 5 MHz gain bandwidth product, and extended operating temperature range (-40°C to 125°C), though it requires minimum 8 V supply voltage.

For Alternative Topology Applications:

The OP275GSZ series (Analog Devices Inc.) represents audio-grade amplifiers with superior slew rate (22 V/µs) and gain bandwidth product (9 MHz). These are suitable for audio and signal conditioning applications where the LF353DRE4's J-FET characteristics are not critical. The LM833DT (STMicroelectronics) is an audio amplifier with 15 MHz bandwidth, appropriate for high-frequency audio applications. The NJM4558E-TE2 (Nisshinbo Micro Devices Inc.) is a general-purpose amplifier with lower slew rate (1 V/µs), suitable only for low-frequency applications.

Compliance and Supply Chain Considerations:

All recommended substitutes maintain ROHS3 compliance and MSL 1 moisture sensitivity rating. All parts are in active product status except the original LF353DRE4. Inventory availability is strong across all alternatives, with LF353DR offering the highest stock level (65,300 units).

Frequently Asked Questions (FAQ)

Q: Can the LF353DR be used as a direct drop-in replacement for the LF353DRE4?

A: Yes. The LF353DR is electrically and functionally identical to the LF353DRE4. Both are dual J-FET operational amplifiers in 8-SOIC packages with identical electrical specifications. The difference is packaging format: LF353DR uses Cut Tape & Digi-Reel® instead of Tape & Reel. If your assembly process accommodates either packaging format, LF353DR is a direct substitute.

Q: What is the difference between LF353M/NOPB and LF353MX/NOPB?

A: Both parts are electrically identical J-FET amplifiers with 4 MHz gain bandwidth product (versus 3 MHz for the LF353DRE4). The primary difference is packaging: LF353M/NOPB is supplied in Tube format, while LF353MX/NOPB is supplied in Cut Tape & Digi-Reel® format. Both require minimum 10 V supply voltage, compared to 7 V for the LF353DRE4. Select based on your assembly line's packaging compatibility.

Q: Why does the LF353DT have a lower minimum supply voltage (6 V vs. 7 V)?

A: The LF353DT is manufactured by STMicroelectronics and represents a variant of the LF353 family with slightly different process specifications. The 6 V minimum supply voltage provides greater flexibility in low-voltage applications. All other electrical parameters remain compatible with the LF353DRE4 specifications.

Q: Is the ADTL082ARZ-REEL7 a suitable substitute for audio applications?

A: The ADTL082ARZ-REEL7 is a J-FET amplifier suitable for audio applications, but it is not classified as an audio amplifier. It maintains J-FET input characteristics with superior performance metrics: 20 V/µs slew rate, 5 MHz bandwidth, and 2 pA input bias current. It is appropriate for precision audio and instrumentation applications requiring low noise and high input impedance. Extended temperature range (-40°C to 125°C) supports industrial audio environments.

Q: When should I use OP275GSZ instead of LF353 variants?

A: Use OP275GSZ (or OP275GSZ-REEL / OP275GSZ-REEL7) when your application requires audio-grade amplification with higher slew rate (22 V/µs) and gain bandwidth product (9 MHz). OP275GSZ is classified as an audio amplifier and is optimized for audio signal conditioning, mixing, and buffering. It is not suitable for applications requiring J-FET input characteristics such as high input impedance or ultra-low input bias current. OP275GSZ requires minimum 9 V supply voltage.

Q: What is the significance of the different packaging formats (TR, CT, Tube)?

A: Packaging format affects assembly process compatibility. Tape & Reel (TR) format is standard for high-volume automated pick-and-place assembly. Cut Tape (CT) & Digi-Reel® format is suitable for both automated and semi-automated assembly with flexibility in quantity handling. Tube format is typically used for lower-volume manual assembly or component kitting. Select packaging based on your manufacturing process requirements, not electrical performance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All recommended substitute parts listed in this document are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the LF353DRE4 compliance profile. This ensures compatibility with modern manufacturing standards and long-term reliability in storage and assembly environments.

Q: Can NJM4558E-TE2 replace the LF353DRE4 in all applications?

A: No. The NJM4558E-TE2 is a general-purpose amplifier with significantly lower slew rate (1 V/µs vs. 13 V/µs) and is not suitable for applications requiring fast signal response or high-frequency operation. It is appropriate only for low-frequency DC and audio applications where slew rate is not a limiting factor. Verify application requirements before selecting this substitute.

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