BA3472F-E2 Equivalent & Substitute Parts Reference

Part Overview

The Rohm Semiconductor BA3472F-E2 is a general purpose dual operational amplifier IC in the linear amplifiers category. It features two amplifier circuits in an 8-SOP surface mount package, with a slew rate of 10V/µs, a gain bandwidth product of 4 MHz, and operates over a wide supply voltage range from 3 V to 36 V. The BA3472F-E2 is RoHS3 compliant and actively available. Identifying substitute or equivalent parts is necessary for ensuring supply chain continuity, maintaining design compatibility, and managing inventory for designs using the BA3472F-E2 when procurement constraints arise.

Key Parameters

Parameter	BA3472F-E2
Manufacturer	Rohm Semiconductor
Category	Linear, Amplifiers
Description	IC OPAMP GP 2 CIRCUIT 8SOP
Amplifier Type	General Purpose
Number of Circuits	2
Slew Rate	10V/µs
Gain Bandwidth Product	4 MHz
Current - Input Bias	100 nA
Voltage - Input Offset	1.5 mV
Current - Supply	4mA
Current - Output / Channel	30 mA
Voltage - Supply Span (Min)	3 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.173", 4.40mm Width)
Supplier Device Package	8-SOP
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute and equivalent linear amplifier ICs must match key electrical and mechanical parameters. Substitution logic is strictly based on: amplifier type (general purpose or voltage feedback), number of circuits (2), surface mount 8-SOIC or 8-SOP package, supply voltage span (minimum and maximum), slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current per channel, operating temperature range, and RoHS compliance. Variations in these parameters directly affect compatibility and should be confirmed in direct comparison.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Number of Circuits	Slew Rate	Gain Bandwidth Product	Current - Input Bias	Voltage - Input Offset	Current - Supply	Current - Output / Channel	Voltage - Supply Span (Min)	Voltage - Supply Span (Max)	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package	RoHS Status	Product Status
BA3472F-E2	Rohm Semiconductor	General Purpose	2	10V/µs	4 MHz	100 nA	1.5 mV	4mA	30 mA	3 V	36 V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.173", 4.40mm Width)	8-SOP	ROHS3 Compliant	Active
LM158DT	STMicroelectronics	General Purpose	2	0.6V/µs	1.1 MHz	20 nA	5 mV	700µA (x2 Channels)	40 mA	3 V	30 V	-55°C ~ 125°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	ROHS3 Compliant	Active
LM258ADT	STMicroelectronics	General Purpose	2	0.6V/µs	1.1 MHz	20 nA	1 mV	700µA (x2 Channels)	40 mA	3 V	30 V	-40°C ~ 105°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	ROHS3 Compliant	Active
MC33272ADR2G	onsemi	General Purpose	2	10V/µs	24 MHz	300 nA	100 µV	2.15mA (x2 Channels)	37 mA	3 V	36 V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	ROHS3 Compliant	Active
MC34072VDR2G	onsemi	General Purpose	2	13V/µs	4.5 MHz	100 nA	1 mV	1.9mA (x2 Channels)	30 mA	3 V	44 V	-40°C ~ 125°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	ROHS3 Compliant	Active
NCV33272ADR2G	onsemi	General Purpose	2	10V/µs	24 MHz	300 nA	100 µV	2.15mA (x2 Channels)	37 mA	3 V	36 V	-40°C ~ 125°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	ROHS3 Compliant	Active
TL3472CDR	Texas Instruments	General Purpose	2	13V/µs	4 MHz	100 nA	1 mV	3.5mA (x2 Channels)	34 mA	4 V	36 V	0°C ~ 70°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	ROHS3 Compliant	Active
TSH22IDT	STMicroelectronics	General Purpose	2	15V/µs	25 MHz	100 nA	2.5 mV	2.15mA	37 mA	3 V	30 V	-40°C ~ 125°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	ROHS3 Compliant	Active
LM7372MR/NOPB	Texas Instruments	Voltage Feedback	2	3000V/µs	120 MHz	2.7 µA	2 mV	13mA (x2 Channels)	260 mA	9 V	36 V	-40°C ~ 85°C	Surface Mount	8-PowerSOIC (0.154", 3.90mm Width)	8-SO PowerPad	ROHS3 Compliant	Active

Engineering Selection Recommendations

Selection among equivalent and substitute linear amplifier ICs is dictated by the electrical parameters and certifications noted. RoHS3 compliance is consistent across all listed substitutions. Product status provides necessary guidance: select only “Active” status components for new designs or ongoing manufacturing; avoid obsolete alternatives unless specifically required for legacy maintenance. All substitutes listed have unlimited or defined moisture sensitivity levels and REACH unaffected status, enabling compatibility with global environmental and regulatory requirements. Ensure that chosen models match required pin count, package footprint, and the application’s temperature rating specified by the original BA3472F-E2.

Frequently Asked Questions (FAQ)

Q: What key parameters must match when selecting substitute linear amplifier ICs for BA3472F-E2?
A: Amplifier type, number of circuits, slew rate, gain bandwidth, input bias current, input offset voltage, supply current, output current per channel, voltage supply span, operating temperature range, mounting type, package/case, and environmental compliance statuses must all align.

Q: Are all substitute parts in the same package as BA3472F-E2?
A: All listed substitutes use surface mount packaging. Most feature 8-SOIC (0.154", 3.90mm Width) which differs slightly from the BA3472F-E2’s 8-SOIC (0.173", 4.40mm Width). Confirm physical footprint and pin compatibility in PCB layouts.

Q: Can substitutes with higher slew rate or gain bandwidth be directly used?
A: Substitutes with higher values for these parameters are included strictly per the provided data. Use only the indicated values for electrical design evaluation.

Q: Are obsolete parts suitable as substitutes?
A: Only parts with “Active” product status should be selected for current designs. Obsolete parts are documented for reference or for legacy system maintenance.

Q: What environmental compliance must substitutes satisfy?
A: All listed substitutes are ROHS3 compliant and REACH unaffected, matching BA3472F-E2 regulatory requirements.

Q: What temperature range should substitutes cover?
A: Select substitute amplifiers with operating temperature ratings that meet or exceed the original -40°C ~ 85°C range, as documented.

Q: How are supply voltage ranges considered in substitution?
A: Substitute parts must meet or exceed both the minimum and maximum supply voltage specifications documented for BA3472F-E2.

Q: What mounting style is required?
A: All substitutes are surface mount, matching the mounting style of BA3472F-E2.

Q: Do substitutes include automotive qualification or grade?
A: Some substitutes specify automotive grade and AEC-Q100 qualification explicitly. Always cross-reference this parameter if required for application.

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