LM2902AS14-13 Equivalent & Substitute Parts

Part Overview

The LM2902AS14-13 is a general-purpose operational amplifier manufactured by Diodes Incorporated, featuring four independent amplifier circuits in a 14-SOIC surface mount package. This device is classified as Active product status and is RoHS3 compliant. The LM2902AS14-13 operates across a wide supply voltage range of 3V to 36V and maintains functionality across industrial temperature ranges from -40°C to 125°C. Substitute parts are identified when equivalent functional performance is required, packaging compatibility is maintained, and electrical parameters fall within acceptable operating ranges for the application.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	0.3	V/µs
Gain Bandwidth Product	700	kHz
Current - Input Bias	20	nA
Voltage - Input Offset	1	mV
Current - Supply	700	µA (x4 Channels)
Current - Output / Channel	40	mA
Voltage - Supply Span (Min)	3	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	-40°C ~ 125°C	—
RoHS Status	ROHS3 Compliant	—
REACH Status	REACH Unaffected	—

Substitute Part Grouping Explanation

Substitute parts for the LM2902AS14-13 are qualified based on the following criteria:

Functional Equivalence: All substitute parts contain four independent amplifier circuits in a 14-SOIC surface mount package, maintaining identical pinout and mechanical compatibility.

Electrical Parameter Compatibility: Substitute parts operate within the same supply voltage range (minimum 3V) and support the same output current per channel (40 mA). All parts maintain surface mount configuration with identical package dimensions (14-SOIC, 0.154", 3.90mm Width).

Compliance & Certification: All substitute parts maintain RoHS3 compliance and REACH Unaffected status, ensuring regulatory alignment with the original part.

Amplifier Type Variations: Substitute parts are classified into two categories:

General Purpose amplifiers (LM324M/NOPB) with performance characteristics similar to the LM2902AS14-13
J-FET amplifiers (TL034AIDR, TL034CDR) offering superior input bias current performance and higher slew rates

The key differentiating parameters for substitution selection are: supply voltage range, operating temperature range, input bias current, slew rate, and gain bandwidth product.

Parameter Comparison

Parameter	LM2902AS14-13	LM324M/NOPB	TL034AIDR	TL034CDR	Unit
Manufacturer	Diodes Incorporated	Texas Instruments	Texas Instruments	Texas Instruments	—
Amplifier Type	General Purpose	General Purpose	J-FET	J-FET	—
Number of Circuits	4	4	4	4	—
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	—
Slew Rate	0.3	—	5.1	5.1	V/µs
Gain Bandwidth Product	700	1000	1100	1100	kHz
Current - Input Bias	20	45	2	2	nA / pA
Voltage - Input Offset	1	2	0.58	0.79	mV / µV
Current - Supply	700	1500	870	870	µA (x4 Channels)
Current - Output / Channel	40	40	40	40	mA
Voltage - Supply Span (Min)	3	3	10	10	V
Voltage - Supply Span (Max)	36	32	30	30	V
Operating Temperature	-40°C ~ 125°C	0°C ~ 70°C	-40°C ~ 85°C	0°C ~ 70°C	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	—

Engineering Selection Recommendations

LM324M/NOPB (Texas Instruments) is suitable for applications requiring general-purpose amplification with performance characteristics comparable to the LM2902AS14-13. This substitute maintains identical supply voltage minimum (3V) and output current specifications (40 mA per channel). The LM324M/NOPB operates across a narrower temperature range (0°C to 70°C) and maximum supply voltage (32V versus 36V), which must be verified against application requirements. This part is RoHS3 compliant and REACH Unaffected, maintaining regulatory alignment.

TL034AIDR (Texas Instruments) is qualified as a substitute for applications requiring superior input bias current performance (2 pA versus 20 nA) and higher slew rate (5.1 V/µs versus 0.3 V/µs). The TL034AIDR operates across a reduced temperature range (-40°C to 85°C) and requires a minimum supply voltage of 10V, which restricts use in low-voltage applications. This part is packaged in Tape & Reel format, RoHS3 compliant, and REACH Unaffected.

TL034CDR (Texas Instruments) provides equivalent J-FET amplifier performance to the TL034AIDR with identical electrical specifications. The TL034CDR operates across a narrower temperature range (0°C to 70°C) and is packaged in Cut Tape & Digi-Reel format. This part is RoHS3 compliant and REACH Unaffected. Selection between TL034AIDR and TL034CDR depends on packaging requirements and operating temperature specifications.

All substitute parts maintain identical pinout and mechanical compatibility with the LM2902AS14-13 in the 14-SOIC package. Selection must account for supply voltage range limitations, operating temperature requirements, and specific performance characteristics required by the application.

Frequently Asked Questions (FAQ)

Q: Can the LM324M/NOPB directly replace the LM2902AS14-13 in all applications?

A: The LM324M/NOPB maintains identical pinout and package configuration (14-SOIC), enabling direct physical replacement. However, the maximum supply voltage is limited to 32V compared to 36V for the LM2902AS14-13, and the operating temperature range is restricted to 0°C to 70°C. Applications requiring operation above 32V or below 0°C require verification of compatibility.

Q: What are the primary differences between general-purpose and J-FET amplifier substitutes?

A: General-purpose amplifiers (LM324M/NOPB) feature higher input bias current (45 nA) but lower slew rate (not specified). J-FET amplifiers (TL034AIDR, TL034CDR) provide significantly lower input bias current (2 pA) and higher slew rate (5.1 V/µs), making them suitable for high-impedance input applications and faster signal processing. J-FET substitutes require minimum supply voltage of 10V, restricting use in low-voltage circuits.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all identified substitute parts (LM324M/NOPB, TL034AIDR, TL034CDR) are RoHS3 compliant and REACH Unaffected, maintaining regulatory alignment with the LM2902AS14-13.

Q: What packaging formats are available for substitute parts?

A: The LM324M/NOPB is supplied in Tube packaging. The TL034AIDR is supplied in Tape & Reel (TR) format. The TL034CDR is supplied in Cut Tape (CT) & Digi-Reel format. All parts maintain identical 14-SOIC surface mount package configuration.

Q: Which substitute part is recommended for low-voltage applications below 10V?

A: The LM324M/NOPB supports operation at minimum supply voltage of 3V, identical to the LM2902AS14-13. The J-FET substitutes (TL034AIDR, TL034CDR) require minimum supply voltage of 10V and are not suitable for applications operating below this threshold.

Q: How do operating temperature ranges affect substitute part selection?

A: The LM2902AS14-13 operates from -40°C to 125°C. The LM324M/NOPB and TL034CDR operate from 0°C to 70°C, restricting use in extended temperature applications. The TL034AIDR operates from -40°C to 85°C, providing wider low-temperature coverage but not reaching the upper temperature limit of the original part. Application temperature requirements must be verified against each substitute's specifications.

Q: Can J-FET substitutes be used interchangeably with general-purpose substitutes?

A: J-FET and general-purpose amplifiers are not interchangeable due to different input bias current characteristics, slew rates, and minimum supply voltage requirements. Selection depends on specific application requirements for input impedance, signal speed, and supply voltage constraints.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message