BA2902SFV-E2 Equivalent & Substitute Parts

Part Overview

The BA2902SFV-E2 is a general-purpose operational amplifier manufactured by Rohm Semiconductor, configured as a 4-circuit integrated circuit in a 14-SSOP-B surface mount package. This device operates across a supply voltage range of 3V to 32V with an operating temperature range of -40°C to 105°C. The BA2902SFV-E2 is classified as an Active product with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Substitute parts are necessary when the BA2902SFV-E2 reaches end-of-life status, when alternative packaging formats are required for manufacturing processes, or when enhanced performance characteristics such as higher slew rate or gain bandwidth product are required within compatible electrical and mechanical parameters.

Key Parameters

Parameter	BA2902SFV-E2 Value
Amplifier Type	General Purpose
Number of Circuits	4
Slew Rate	0.2 V/µs
Gain Bandwidth Product	500 kHz
Current - Input Bias	20 nA
Voltage - Input Offset	2 mV
Current - Supply	700 µA
Current - Output / Channel	30 mA
Voltage - Supply Span (Min)	3 V
Voltage - Supply Span (Max)	32 V
Operating Temperature	-40°C to 105°C
Mounting Type	Surface Mount
Package / Case	14-LSSOP (0.173", 4.40mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the BA2902SFV-E2 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Amplifier Type: General Purpose
Number of Circuits: 4
Mounting Type: Surface Mount
Package Width: 4.40mm (0.173")
Voltage Supply Range: Minimum 3V, Maximum 32V
Input Bias Current: 20 nA
RoHS3 Compliance
MSL Rating: 1 (Unlimited)

Performance Parameters (Allowable Variation):

Slew Rate: 0.2 V/µs or higher
Gain Bandwidth Product: 500 kHz or higher
Voltage Input Offset: 2 mV to 3 mV
Current Supply: 700 µA to 1.5 mA
Current Output per Channel: 30 mA to 60 mA
Operating Temperature: -40°C minimum, 105°C to 125°C maximum

Package Format Variations: Substitute parts may utilize 14-TSSOP packaging instead of 14-LSSOP, provided the physical width remains 4.40mm and surface mount compatibility is maintained.

Parameter Comparison

Parameter	BA2902SFV-E2	LM2902KAVMPWREP	LM2902KAVQPWR	LM2902KAVQPWRG4Q1	LM2902KAVQPWRQ1	LM2902KPW	LM2902KPWR	LM2902KVQPWR	LM2902KVQPWRG4Q1	LM2902KVQPWRQ1	LM2902MTX/NOPB
Manufacturer	Rohm Semiconductor	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Rohm Semiconductor	Rohm Semiconductor	Texas Instruments	Texas Instruments	Texas Instruments
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	4	4	4	4	4	4	4	4	4	4	4
Slew Rate (V/µs)	0.2	0.5	0.5	0.5	0.5	0.5	0.3	0.3	0.5	0.5	—
Gain Bandwidth Product (MHz)	0.5	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.0
Current - Input Bias (nA)	20	20	20	20	20	20	20	20	20	20	45
Voltage - Input Offset (mV)	2	3	3	3	3	3	3	3	3	3	2
Current - Supply (mA)	0.7	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.5
Current - Output / Channel (mA)	30	60	30	60	60	30	30	30	60	60	40
Voltage - Supply Span Min (V)	3	3	3	3	3	3	3	3	3	3	3
Voltage - Supply Span Max (V)	32	32	30	32	32	26	26	26	32	32	32
Operating Temperature Min (°C)	-40	-55	-40	-40	-40	-40	-40	-40	-40	-40	-40
Operating Temperature Max (°C)	105	125	125	125	125	125	125	125	125	125	85
Package / Case	14-LSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Last Time Buy	Active	Last Time Buy	Obsolete	Not For New Designs	Last Time Buy	Active	Active

Engineering Selection Recommendations

Primary Substitutes (Active Status):

The LM2902KAVQPWRQ1 and LM2902KVQPWRQ1 from Texas Instruments are the preferred substitutes for the BA2902SFV-E2. Both devices maintain full electrical compatibility with identical supply voltage ranges (3V to 32V), input bias current (20 nA), and surface mount packaging (14-TSSOP, 4.40mm width). These parts are classified as Active products with AEC-Q100 automotive qualification and ROHS3 compliance. The LM2902KVQPWRQ1 offers the highest inventory availability at 61,400 units and is suitable for new designs.

Secondary Substitutes (Limited Availability):

The LM2902MTX/NOPB from Texas Instruments provides an alternative with Active status and LinCMOS™ series designation. This device operates within the required supply voltage range and maintains surface mount compatibility. However, the maximum operating temperature is limited to 85°C, which restricts its use to applications not requiring the full -40°C to 105°C range of the BA2902SFV-E2.

Obsolete and Legacy Parts (Not Recommended for New Designs):

The LM2902KPWR (Rohm Semiconductor, Obsolete status) and LM2902KVQPWR (Rohm Semiconductor, Not For New Designs status) are available in limited quantities but are not suitable for new product development. These parts exhibit reduced maximum supply voltage (26V maximum) compared to the BA2902SFV-E2 (32V maximum).

Packaging Considerations:

All substitute parts utilize 14-TSSOP packaging instead of the original 14-LSSOP format. Both package types maintain identical 4.40mm width and surface mount compatibility. PCB layout modifications are not required for package substitution.

Supply Voltage Compatibility:

Applications requiring the full 32V maximum supply voltage should utilize LM2902KAVMPWREP, LM2902KAVQPWRG4Q1, LM2902KAVQPWRQ1, LM2902KVQPWRG4Q1, or LM2902KVQPWRQ1. The LM2902KAVQPWR is limited to 30V maximum supply voltage and is not suitable for 32V applications.

Temperature Range Considerations:

The BA2902SFV-E2 operates to 105°C maximum. Substitute parts from Texas Instruments extend operation to 125°C maximum, providing enhanced thermal margin. The LM2902MTX/NOPB is limited to 85°C maximum and is not suitable for applications requiring the full temperature range of the original device.

Frequently Asked Questions (FAQ)

Q: Can the LM2902KAVQPWRQ1 directly replace the BA2902SFV-E2 without PCB modifications?

A: Yes. Both devices are 4-circuit general-purpose operational amplifiers in 14-pin surface mount packages with 4.40mm width. The LM2902KAVQPWRQ1 maintains identical pin configuration and electrical specifications within the critical parameters. No PCB layout changes are required.

Q: What is the difference between 14-LSSOP and 14-TSSOP packaging?

A: Both package types are 14-pin surface mount packages with identical 4.40mm width and pin pitch. The primary difference is the lead design: LSSOP features gull-wing leads with a longer span, while TSSOP features gull-wing leads with a shorter span. Both are compatible with standard PCB assembly processes and solder reflow profiles.

Q: Why do some substitute parts have higher slew rates and gain bandwidth products?

A: The LM2902 series from Texas Instruments incorporates enhanced circuit design compared to the BA2902SFV-E2. The higher slew rate (0.5 V/µs versus 0.2 V/µs) and gain bandwidth product (1.2 MHz versus 500 kHz) provide improved transient response and frequency response characteristics. These enhancements are backward compatible and do not affect applications designed for the original device specifications.

Q: Is the LM2902KAVQPWR suitable for applications requiring 32V supply voltage?

A: No. The LM2902KAVQPWR is limited to 30V maximum supply voltage, while the BA2902SFV-E2 supports 32V. For 32V applications, use LM2902KAVMPWREP, LM2902KAVQPWRG4Q1, LM2902KAVQPWRQ1, LM2902KVQPWRG4Q1, or LM2902KVQPWRQ1.

Q: What is the significance of AEC-Q100 qualification on substitute parts?

A: AEC-Q100 qualification indicates that the device meets automotive industry reliability and quality standards. This certification is relevant for automotive applications and does not affect functionality in non-automotive applications. The BA2902SFV-E2 does not carry AEC-Q100 qualification.

Q: Can the LM2902MTX/NOPB be used in applications operating above 85°C?

A: No. The LM2902MTX/NOPB is rated for operation only to 85°C maximum junction temperature. Applications requiring operation to 105°C or higher must use alternative substitutes such as LM2902KAVQPWRQ1 or LM2902KVQPWRQ1, which are rated to 125°C.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this reference are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the compliance profile of the BA2902SFV-E2.

Q: What is the inventory status of the recommended substitutes?

A: LM2902KVQPWRQ1 has the highest availability at 61,400 units. LM2902KAVQPWR has 25,300 units available. LM2902KAVQPWRQ1 has 97,300 units available in Cut Tape & Digi-Reel packaging. Inventory levels should be verified with the component supplier for current availability.

Q: Do substitute parts require different PCB assembly or soldering parameters?

A: No. All substitute parts utilize standard surface mount assembly processes and are compatible with conventional solder reflow profiles. The 14-TSSOP package format is widely supported by PCB assembly equipment.

Q: Which substitute part is recommended for new product designs?

A: The LM2902KVQPWRQ1 from Texas Instruments is recommended for new product designs. This device is classified as Active, carries AEC-Q100 automotive qualification, offers the highest inventory availability, and maintains full electrical compatibility with the BA2902SFV-E2 across all critical parameters.

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