OPA4376AIPWR Equivalent & Substitute Parts

Part Overview

The OPA4376AIPWR is a general-purpose operational amplifier manufactured by Texas Instruments, featuring four independent circuits in a 14-TSSOP surface-mount package. This device is classified as Active product status and is designed for rail-to-rail single-ended output applications across a 2.2V to 5.5V supply range. The OPA4376AIPWR serves applications requiring moderate bandwidth and low input offset voltage in compact form factors. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to component availability, supply chain considerations, or specific application performance requirements.

Key Parameters

Parameter	OPA4376AIPWR	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Single Ended, Rail-to-Rail	—
Slew Rate	2	V/µs
Gain Bandwidth Product	5.5	MHz
Current - Input Bias	0.2	pA
Voltage - Input Offset	5	µV
Current - Supply (x4 Channels)	760	µA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	2.2	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	2 (1 Year)	—

Substitute Part Grouping Explanation

Substitute parts for the OPA4376AIPWR are classified based on the following critical parameters that determine functional and mechanical compatibility:

Primary Substitution Criteria:

Number of Circuits: 4 independent amplifier circuits required
Package Type: 14-TSSOP surface-mount package with 0.173" width and 4.40mm width specification
Output Configuration: Rail-to-rail output capability
Supply Voltage Range: Minimum 2.2V to maximum 5.5V overlap required
Operating Temperature Range: Minimum -40°C overlap required
Mounting Type: Surface mount only

Secondary Performance Parameters:

Slew Rate: 2V/µs baseline; substitutes with comparable or higher slew rates maintain signal fidelity
Gain Bandwidth Product: 5.5 MHz baseline; substitutes with comparable or higher bandwidth support equivalent frequency response
Input Bias Current: 0.2 pA baseline; lower values indicate improved input stage performance
Voltage Input Offset: 5 µV baseline; lower values indicate improved DC accuracy
Supply Current: 760µA baseline; lower values reduce power consumption
Output Current per Channel: 50 mA baseline; comparable or higher values maintain load-driving capability

Substitute parts are grouped into two categories: General Purpose amplifiers (matching the OPA4376AIPWR amplifier type) and alternative amplifier types (CMOS, Zero-Drift) that maintain electrical and mechanical compatibility while offering different performance trade-offs.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package
OPA4376AIPWR	Texas Instruments	General Purpose	2	5.5	0.2	5	760	50	2.2	5.5	-40 to 125	14-TSSOP
MCP6424T-E/ST	Microchip Technology	General Purpose	0.05	0.09	1	1000	4.4	22	1.8	5.5	-40 to 125	14-TSSOP
LMV824DTBR2G	onsemi	General Purpose	2	5.6	119	1000	1	45	2.7	5.5	-40 to 85	14-TSSOP
MCP609-I/ST	Microchip Technology	CMOS	0.08	0.155	1	250	18.7	17	2.5	6	-40 to 85	14-TSSOP
BU7487FV-E2	Rohm Semiconductor	CMOS	10	10	1	1000	6	12	3	5.5	-40 to 105	14-LSSOP
MCP6424-E/ST	Microchip Technology	General Purpose	0.05	0.09	1	1000	4.4	22	1.8	5.5	-40 to 125	14-TSSOP
MCP6474-E/ST	Microchip Technology	CMOS	1.1	2	1	1500	100	32	2	5.5	-40 to 125	14-TSSOP
MCP6484-E/ST	Microchip Technology	General Purpose	2.7	4	1	1500	240	12	2.2	5.5	-40 to 125	14-TSSOP
MCP6494-E/ST	Microchip Technology	General Purpose	6	7.5	1	1500	530	15	2.4	5.5	-40 to 125	14-TSSOP
MCP6V84-E/ST	Microchip Technology	Zero-Drift	4	5	2	9	500	40	2.2	5.5	-40 to 125	14-TSSOP

Engineering Selection Recommendations

General Purpose Amplifier Substitutes (Closest Functional Match):

MCP6484-E/ST and MCP6494-E/ST maintain the General Purpose amplifier classification with 14-TSSOP packaging and -40°C to 125°C operating range. Both devices support the full 2.2V to 5.5V supply span and provide rail-to-rail output. MCP6484-E/ST offers slew rate of 2.7V/µs with 4 MHz gain bandwidth product, while MCP6494-E/ST provides higher performance with 6V/µs slew rate and 7.5 MHz gain bandwidth product. Both are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

LMV824DTBR2G from onsemi provides matched slew rate (2V/µs) and gain bandwidth product (5.6 MHz) to the OPA4376AIPWR with General Purpose classification. Operating temperature range is -40°C to 85°C, which covers the lower portion of the OPA4376AIPWR range. Supply span is 2.7V to 5.5V, requiring minimum 2.7V operation. ROHS3 compliant with MSL 1 rating.

Low Power Consumption Substitutes:

MCP6424T-E/ST and MCP6424-E/ST (identical electrical specifications, different packaging) consume only 4.4µA total supply current compared to 760µA of the OPA4376AIPWR. These devices support extended supply range (1.8V to 5.5V) and full -40°C to 125°C temperature range. Trade-off includes significantly reduced slew rate (0.05V/µs) and gain bandwidth product (90 kHz), suitable only for DC-coupled or very low-frequency applications.

CMOS Amplifier Substitutes:

MCP609-I/ST provides ultra-low input bias current (1 pA) with CMOS architecture, 14-TSSOP package, and extended supply range to 6V maximum. Operating temperature is -40°C to 85°C. Slew rate is 0.08V/µs with 155 kHz gain bandwidth product, limiting use to low-frequency applications.

BU7487FV-E2 from Rohm Semiconductor offers highest slew rate (10V/µs) and gain bandwidth product (10 MHz) among all substitutes with CMOS architecture. Package is 14-LSSOP (mechanically compatible with 14-TSSOP footprint). Minimum supply voltage is 3V, restricting use in 2.2V applications. Operating temperature range is -40°C to 105°C. MSL 1 (Unlimited) rating.

Zero-Drift Amplifier Substitute:

MCP6V84-E/ST provides superior input offset voltage (9 µV) compared to OPA4376AIPWR (5 µV) with Zero-Drift architecture. Slew rate is 4V/µs and gain bandwidth product is 5 MHz. Full -40°C to 125°C temperature range and 2.2V to 5.5V supply span. ROHS3 compliant with MSL 1 rating. Suitable for applications requiring minimal DC offset drift over temperature.

All substitute parts are Active product status with ROHS3 compliance and REACH Unaffected designation, meeting current regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can MCP6424T-E/ST replace OPA4376AIPWR in all applications?

A: MCP6424T-E/ST maintains 14-TSSOP package compatibility and -40°C to 125°C operating range. However, slew rate is reduced from 2V/µs to 0.05V/µs and gain bandwidth product is reduced from 5.5 MHz to 90 kHz. Substitution is valid only for DC-coupled or very low-frequency signal processing applications where bandwidth requirements do not exceed 90 kHz.

Q: What is the difference between MCP6424-E/ST and MCP6424T-E/ST?

A: Both parts have identical electrical specifications. MCP6424-E/ST is supplied in Tube packaging, while MCP6424T-E/ST is supplied in Tape & Reel (TR) packaging. Selection depends on assembly process requirements and quantity handling.

Q: Is BU7487FV-E2 mechanically compatible with OPA4376AIPWR?

A: BU7487FV-E2 uses 14-LSSOP package while OPA4376AIPWR uses 14-TSSOP package. Both packages have identical 0.173" width and 4.40mm width specification and are mechanically compatible for PCB footprint purposes. However, verify with PCB layout tools before implementation.

Q: Why does LMV824DTBR2G have lower maximum operating temperature than OPA4376AIPWR?

A: LMV824DTBR2G is rated to 85°C maximum while OPA4376AIPWR is rated to 125°C. Applications requiring operation above 85°C must use OPA4376AIPWR or alternative parts with 125°C rating such as MCP6484-E/ST, MCP6494-E/ST, MCP6424-E/ST, MCP6424T-E/ST, or MCP6V84-E/ST.

Q: Which substitute offers the lowest power consumption?

A: MCP6424-E/ST and MCP6424T-E/ST consume only 4.4µA total supply current (x4 channels), compared to 760µA for OPA4376AIPWR. This represents 99.4% reduction in supply current. Trade-off is significantly reduced bandwidth (90 kHz versus 5.5 MHz).

Q: Can MCP6V84-E/ST be used as a direct replacement for improved DC accuracy?

A: MCP6V84-E/ST provides input offset voltage of 9 µV compared to OPA4376AIPWR at 5 µV, representing lower DC accuracy. However, MCP6V84-E/ST is a Zero-Drift architecture device that maintains offset voltage stability over temperature and time, which may provide superior overall DC accuracy in applications sensitive to drift rather than initial offset.

Q: What is the supply voltage compatibility range for all substitutes?

A: OPA4376AIPWR operates from 2.2V to 5.5V. Substitutes with full compatibility: MCP6484-E/ST, MCP6494-E/ST, MCP6424-E/ST, MCP6424T-E/ST, MCP6474-E/ST, and MCP6V84-E/ST (all 2.2V to 5.5V). Substitutes with restricted minimum: LMV824DTBR2G (2.7V minimum), MCP609-I/ST (2.5V minimum), BU7487FV-E2 (3V minimum). Applications operating below 2.7V require OPA4376AIPWR or MCP6424 series.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH Unaffected, meeting current environmental and regulatory requirements equivalent to OPA4376AIPWR.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message