LT1880IS5#TRPBF Equivalent & Substitute Parts

Part Overview

The LT1880IS5#TRPBF is a general-purpose operational amplifier manufactured by Analog Devices Inc., designed for rail-to-rail applications in a compact TSOT-23-5 surface mount package. This single-circuit amplifier operates across a wide supply voltage range of 2.7 V to 36 V and maintains active product status with full RoHS3 compliance. Substitute parts are identified when equivalent electrical performance parameters and mechanical compatibility are required for design flexibility, inventory management, or supply chain continuity.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	0.55	V/µs
Gain Bandwidth Product	1.1	MHz
Current - Input Bias	150	pA
Voltage - Input Offset	40	µV
Current - Supply	1.5	mA
Current - Output / Channel	25	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	-40 to 85	°C
Package / Case	SOT-23-5 Thin, TSOT-23-5	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the LT1880IS5#TRPBF are selected based on the following critical parameters:

Mechanical Compatibility: All substitute parts maintain the SOT-23-5 package footprint and surface mount mounting type, ensuring direct PCB layout compatibility.

Electrical Core Requirements: Substitutes must provide single-circuit, rail-to-rail output amplifier functionality with operating temperature range of -40°C minimum and supply voltage range spanning 2.7 V to 36 V minimum.

Performance Tolerance Bands: Substitutes are grouped by slew rate and gain bandwidth product performance characteristics. The LT1880IS5#TRPBF operates at 0.55 V/µs slew rate and 1.1 MHz gain bandwidth product, representing low-speed general-purpose operation. Substitute parts may exceed these specifications while maintaining functional compatibility.

Compliance Requirements: All substitute parts maintain RoHS3 compliance, EAR99 export classification, and active product status.

Substitutes are organized into three functional categories: direct general-purpose replacements with comparable performance, enhanced-performance general-purpose alternatives, and specialized amplifier types (zero-drift and J-FET) offering superior performance in specific application domains.

Parameter Comparison

Parameter	LT1880IS5#TRPBF	LM7301IM5X/NOPB	OPA140AIDBVT	OPA171AQDBVRQ1	OPA172IDBVR	OPA188AIDBVR	OPA209AIDBVT
Manufacturer	Analog Devices	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Amplifier Type	General Purpose	General Purpose	J-FET	General Purpose	General Purpose	Zero-Drift	General Purpose
Number of Circuits	1	1	1	1	1	1	1
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	0.55	1.25	20	1.5	10	0.8	6.4
Gain Bandwidth Product (MHz)	1.1	4	11	3	10	2	18
Current - Input Bias	150 pA	103 nA	0.5 pA	8 pA	8 pA	160 pA	1 nA
Voltage - Input Offset (µV)	40	40	30	250	200	6	35
Current - Supply	1.5 mA	720 µA	1.8 mA	475 µA	1.6 mA	450 µA	2.2 mA
Current - Output / Channel (mA)	25	—	36	35	—	—	65
Voltage - Supply Span (Min)	2.7 V	1.8 V	4.5 V	2.7 V	4.5 V	4 V	4.5 V
Voltage - Supply Span (Max)	36 V	32 V	36 V	36 V	36 V	36 V	36 V
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125
Package / Case	SOT-23-5 Thin	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	2 (1 Year)	2 (1 Year)	2 (1 Year)	2 (1 Year)

Engineering Selection Recommendations

Direct Substitution Candidates (General Purpose, Comparable Performance):

LM7301IM5X/NOPB and OPA171AQDBVRQ1 provide general-purpose amplifier functionality with supply voltage ranges compatible with the LT1880IS5#TRPBF. Both maintain active product status and RoHS3 compliance. LM7301IM5X/NOPB operates at -40°C to 85°C, matching the original part's temperature range. OPA171AQDBVRQ1 extends the operating temperature to -40°C to 125°C and includes AEC-Q100 automotive qualification, suitable for extended-temperature applications.

Enhanced Performance Substitutes (General Purpose, Higher Bandwidth):

OPA172IDBVR and OPA209AIDBVT offer significantly higher gain bandwidth products (10 MHz and 18 MHz respectively) while maintaining general-purpose amplifier classification and rail-to-rail output. Both operate across the full -40°C to 125°C temperature range. OPA209AIDBVT provides the highest slew rate (6.4 V/µs) and output current capability (65 mA), suitable for applications requiring faster signal processing.

Specialized Substitutes (Alternative Amplifier Architectures):

OPA140AIDBVT employs J-FET input architecture, delivering extremely low input bias current (0.5 pA) and high slew rate (20 V/µs) with 11 MHz gain bandwidth product. This substitute is appropriate for high-impedance signal sources and fast-settling applications. OPA188AIDBVR utilizes zero-drift architecture, providing superior input offset voltage (6 µV) compared to the LT1880IS5#TRPBF (40 µV), suitable for precision measurement applications requiring minimal offset drift over temperature.

Supply Voltage Compatibility:

LM7301IM5X/NOPB operates at minimum 1.8 V, extending low-voltage capability. OPA140AIDBVT, OPA172IDBVR, OPA188AIDBVR, and OPA209AIDBVT require minimum 4 V or 4.5 V supply, restricting use in applications below 4 V. OPA171AQDBVRQ1 maintains the 2.7 V minimum supply voltage of the original part.

Moisture Sensitivity Consideration:

The LT1880IS5#TRPBF carries MSL 1 (Unlimited) rating. All Texas Instruments substitutes carry MSL 2 (1 Year) rating, requiring controlled storage and handling within one year of manufacture.

Frequently Asked Questions (FAQ)

Q: Can OPA209AIDBVT directly replace LT1880IS5#TRPBF on existing PCBs?

A: Yes. Both parts use identical SOT-23-5 package footprints and surface mount mounting. Pin configurations are compatible for single-circuit rail-to-rail amplifier applications. However, OPA209AIDBVT requires minimum 4.5 V supply voltage, whereas LT1880IS5#TRPBF operates at 2.7 V minimum. Verify supply voltage availability in your circuit before substitution.

Q: What is the primary difference between OPA188AIDBVR and LT1880IS5#TRPBF?

A: OPA188AIDBVR is a zero-drift amplifier architecture providing 6 µV input offset voltage compared to LT1880IS5#TRPBF's 40 µV. Zero-drift amplifiers employ internal chopper-stabilization techniques to minimize offset voltage drift over temperature and time. This makes OPA188AIDBVR suitable for precision instrumentation and sensor signal conditioning. OPA188AIDBVR requires minimum 4 V supply versus 2.7 V for LT1880IS5#TRPBF.

Q: Is LM7301IM5X/NOPB suitable for low-voltage applications below 2.7 V?

A: LM7301IM5X/NOPB operates at minimum 1.8 V supply voltage, extending low-voltage capability compared to LT1880IS5#TRPBF (2.7 V minimum). However, LM7301IM5X/NOPB maximum supply voltage is 32 V, limiting use in applications requiring 36 V operation. Verify both minimum and maximum supply voltage requirements before selection.

Q: What advantage does OPA140AIDBVT offer over general-purpose substitutes?

A: OPA140AIDBVT employs J-FET input architecture, delivering 0.5 pA input bias current compared to 150 pA for LT1880IS5#TRPBF. This extremely low bias current is essential for high-impedance signal sources, transimpedance amplifier circuits, and photodiode preamplifiers. OPA140AIDBVT also provides 20 V/µs slew rate and 11 MHz gain bandwidth product, supporting faster signal processing than the original part.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry RoHS3 compliance certification, matching the environmental compliance status of LT1880IS5#TRPBF. All parts are classified as EAR99 for export purposes.

Q: What does MSL 2 (1 Year) moisture sensitivity mean for OPA substitutes?

A: MSL 2 (1 Year) indicates the component must be used within one year of manufacture date if stored in standard conditions. This contrasts with LT1880IS5#TRPBF's MSL 1 (Unlimited) rating, which has no time-based storage restriction. For long-term inventory management, verify manufacturing dates and implement first-in-first-out (FIFO) stock rotation for MSL 2 components.

Q: Can OPA171AQDBVRQ1 be used in automotive applications?

A: OPA171AQDBVRQ1 carries AEC-Q100 automotive qualification and operates across -40°C to 125°C temperature range, meeting automotive-grade requirements. This substitute is appropriate for automotive sensor signal conditioning, engine control modules, and other automotive electronic systems requiring qualified components.

Q: Which substitute offers the lowest power consumption?

A: OPA171AQDBVRQ1 provides the lowest supply current at 475 µA, followed by OPA188AIDBVR at 450 µA. Both are significantly lower than LT1880IS5#TRPBF's 1.5 mA supply current. For battery-powered or energy-constrained applications, these low-power substitutes extend operational lifetime.

Q: Is pin-for-pin compatibility guaranteed across all substitutes?

A: Yes. All substitute parts use SOT-23-5 package with identical pin assignments for single-circuit rail-to-rail amplifier configurations. Pin 1 (non-inverting input), Pin 2 (inverting input), Pin 3 (ground), Pin 4 (output), and Pin 5 (positive supply) maintain consistent positions across all listed substitutes.

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