LF353N Equivalent & Substitute Parts

Part Overview

The LF353N is a J-FET input operational amplifier featuring two independent circuits in an 8-DIP package. Manufactured by onsemi, this device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production requirements. The LF353N operates across a supply voltage span of 36 V with a slew rate of 13 V/µs and gain bandwidth product of 4 MHz, making it suitable for applications requiring low input bias current and moderate bandwidth performance.

Key Parameters

Parameter	Value
Manufacturer Part Number	LF353N
Manufacturer	onsemi
Amplifier Type	J-FET
Number of Circuits	2
Package / Case	8-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
Slew Rate	13 V/µs
Gain Bandwidth Product	4 MHz
Current - Input Bias	50 pA
Voltage - Input Offset	5 mV
Current - Supply	3.6 mA
Voltage - Supply Span	36 V
Operating Temperature	0°C ~ 70°C
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the LF353N is determined by the following critical parameters: amplifier type (J-FET), number of circuits (2), package configuration (8-DIP through-hole), slew rate (13 V/µs), gain bandwidth product (4 MHz), input bias current (50 pA), input offset voltage (5 mV), supply current (3.6 mA), and supply voltage span (36 V). Substitute parts must maintain compatibility across these electrical and mechanical specifications to ensure functional equivalence in existing circuit designs.

Substitute parts are grouped into two categories:

Direct Substitutes: Parts that match the J-FET amplifier type and maintain electrical parameters within acceptable tolerances for direct replacement without circuit modification.

Similar Substitutes: Parts that share the 8-DIP package and dual-circuit configuration but may differ in amplifier type (general purpose or audio) or specific electrical parameters. These require design verification for application compatibility.

Parameter Comparison

Parameter	LF353N	LF353P	TL082CP/NOPB	TL082ACP	OPA2107AP	OPA2107APG4	CA3240EZ	TL3472CP	TL3472IP	MUSES8820D
Manufacturer	onsemi	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Renesas Electronics	Texas Instruments	Texas Instruments	Nisshinbo Micro Devices
Amplifier Type	J-FET	J-FET	J-FET	J-FET	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	Audio
Number of Circuits	2	2	2	2	2	2	2	2	2	2
Package / Case	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Slew Rate	13 V/µs	13 V/µs	13 V/µs	13 V/µs	18 V/µs	18 V/µs	9 V/µs	13 V/µs	13 V/µs	5 V/µs
Gain Bandwidth Product	4 MHz	3 MHz	4 MHz	3 MHz	4.5 MHz	4.5 MHz	4.5 MHz	4 MHz	4 MHz	11 MHz
Current - Input Bias	50 pA	50 pA	50 pA	30 pA	4 pA	4 pA	10 pA	100 nA	100 nA	100 nA
Voltage - Input Offset	5 mV	5 mV	5 mV	3 mV	100 µV	100 µV	5 mV	1 mV	1 mV	300 µV
Current - Supply	3.6 mA	3.6 mA (x2 Channels)	3.6 mA (x2 Channels)	1.4 mA (x2 Channels)	4.5 mA (x2 Channels)	4.5 mA (x2 Channels)	8 mA (x2 Channels)	3.5 mA (x2 Channels)	3.5 mA (x2 Channels)	8 mA
Voltage - Supply Span (Min)	36 V	7 V	36 V	10 V	9 V	9 V	4 V	4 V	4 V	7 V
Voltage - Supply Span (Max)	36 V	36 V	36 V	30 V	36 V	36 V	36 V	36 V	36 V	32 V
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	-25°C ~ 85°C	-25°C ~ 85°C	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 105°C	-40°C ~ 85°C
Product Status	Obsolete	Active	Active	Active	Obsolete	Obsolete	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant

Engineering Selection Recommendations

Direct Substitutes (J-FET Amplifier Type):

LF353P is the primary direct substitute for LF353N. Both devices share identical J-FET amplifier architecture, dual-circuit configuration, and 8-DIP package. LF353P maintains the same slew rate (13 V/µs), input bias current (50 pA), and input offset voltage (5 mV). The gain bandwidth product differs slightly (3 MHz versus 4 MHz), and the supply voltage minimum is reduced to 7 V. LF353P is currently in active production status, ensuring long-term availability.

TL082CP/NOPB and TL082ACP are J-FET operational amplifiers with identical slew rate and gain bandwidth product specifications to LF353N. Both are manufactured by Texas Instruments and maintain active product status. TL082CP/NOPB provides exact parameter matching for slew rate (13 V/µs), gain bandwidth product (4 MHz), and supply voltage span (36 V). TL082ACP offers improved input offset voltage (3 mV) and reduced supply current (1.4 mA per channel) but operates within a reduced supply voltage range (10 V to 30 V).

Similar Substitutes (Alternative Amplifier Types):

OPA2107AP and OPA2107APG4 are general-purpose amplifiers with superior slew rate (18 V/µs) and exceptional input bias current (4 pA). Both devices are obsolete but maintain ROHS3 compliance. These parts are suitable for applications where lower input bias current and faster slew rate provide performance advantages, provided the application does not require J-FET input characteristics.

CA3240EZ is a general-purpose amplifier manufactured by Renesas Electronics with active product status. It provides improved input bias current (10 pA) and extended operating temperature range (-40°C to 85°C). The supply voltage minimum is reduced to 4 V, and slew rate is 9 V/µs.

TL3472CP and TL3472IP are general-purpose amplifiers with active product status. Both maintain identical electrical specifications with slew rate of 13 V/µs and gain bandwidth product of 4 MHz. TL3472IP extends the operating temperature range to -40°C to 105°C. Both devices support supply voltage as low as 4 V.

MUSES8820D is an audio amplifier with active product status, offering the highest gain bandwidth product (11 MHz) among substitute options. Operating temperature range extends to -40°C to 85°C. This device is suitable for audio-specific applications where enhanced bandwidth and lower input offset voltage (300 µV) are beneficial.

All substitute parts maintain ROHS3 compliance and 8-DIP through-hole package compatibility with the LF353N.

Frequently Asked Questions (FAQ)

Q: Can LF353P be used as a direct replacement for LF353N without circuit modification?

A: LF353P is functionally equivalent to LF353N for most applications. Both share J-FET amplifier architecture, dual-circuit configuration, identical slew rate (13 V/µs), and matching input bias current (50 pA) and input offset voltage (5 mV). The gain bandwidth product differs slightly (3 MHz versus 4 MHz). The primary difference is the reduced minimum supply voltage (7 V versus 36 V), which expands application flexibility. No circuit modification is required for direct substitution.

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

A: J-FET input amplifiers feature extremely low input bias current (typically in the picoampere range) and high input impedance, making them suitable for high-impedance signal sources and applications requiring minimal input loading. General-purpose amplifiers typically have higher input bias current but may offer other performance advantages such as lower input offset voltage or extended operating temperature ranges. Selection depends on specific application requirements.

Q: Are TL082CP/NOPB and TL082ACP interchangeable with LF353N?

A: Both TL082 variants are J-FET amplifiers with identical slew rate (13 V/µs) and 8-DIP package compatibility. TL082CP/NOPB matches LF353N across all critical parameters including gain bandwidth product (4 MHz) and supply voltage span (36 V). TL082ACP offers improved input offset voltage (3 mV) but operates within a reduced supply voltage range (10 V to 30 V). Interchangeability depends on the specific supply voltage requirements of the application.

Q: Why would I select OPA2107AP or OPA2107APG4 over direct J-FET substitutes?

A: OPA2107 devices offer superior slew rate (18 V/µs) and exceptional input bias current (4 pA), providing performance advantages in applications requiring faster signal response and minimal input loading. However, both devices are obsolete. Selection should be based on whether the enhanced performance characteristics justify the obsolescence status and potential future availability constraints.

Q: Is MUSES8820D suitable for general-purpose applications, or is it limited to audio use?

A: MUSES8820D is specifically designed as an audio amplifier and features the highest gain bandwidth product (11 MHz) among available substitutes. While the device can function in general-purpose applications, its audio-optimized design and lower slew rate (5 V/µs) make it most appropriate for audio signal processing. For non-audio applications, general-purpose substitutes such as TL3472CP or TL3472IP are more suitable.

Q: What are the package and mounting considerations for LF353N substitutes?

A: All substitute parts listed maintain the 8-DIP (0.300", 7.62mm) package configuration and through-hole mounting type, ensuring direct physical compatibility with existing PCB layouts. No board redesign or component repositioning is required. Verify that the specific supplier device package designation (8-PDIP or 8-DIP) matches your PCB footprint requirements.

Q: How do supply voltage requirements affect substitute selection?

A: LF353N operates across a 36 V supply span. LF353P reduces the minimum supply voltage to 7 V while maintaining the 36 V maximum. TL082ACP operates between 10 V and 30 V, which may be limiting for applications requiring higher supply voltages. General-purpose substitutes such as CA3240EZ, TL3472CP, and TL3472IP support supply voltages as low as 4 V, providing greater flexibility for low-voltage applications. Verify that the selected substitute's supply voltage range encompasses your application requirements.

Q: Are all substitute parts RoHS compliant?

A: All substitute parts listed are RoHS compliant. LF353N, LF353P, TL082CP/NOPB, TL082ACP, OPA2107AP, OPA2107APG4, CA3240EZ, TL3472CP, and TL3472IP are ROHS3 compliant. MUSES8820D is RoHS compliant. All parts are REACH unaffected and classified under ECCN EAR99.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message