LT1882MPS#TRPBF Equivalent & Substitute Parts

Part Overview

The LT1882MPS#TRPBF is a general purpose operational amplifier manufactured by Analog Devices Inc., configured as a 4-circuit rail-to-rail device in a 14-SOIC surface mount package. This part is actively produced and widely used in applications requiring low-power, general-purpose amplification across industrial and commercial temperature ranges. Substitute parts are identified based on matching functional architecture (4-circuit configuration, rail-to-rail output, 14-SOIC package), compatible electrical specifications, and active product status to ensure design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	LT1882MPS#TRPBF
Manufacturer	Analog Devices Inc.
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	4
Output Type	Rail-to-Rail
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Voltage - Supply Span (Min)	2.7 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-55°C ~ 125°C
Slew Rate	0.35V/µs
Gain Bandwidth Product	1 MHz
Current - Input Bias	150 pA
Voltage - Input Offset	30 µV
Current - Supply	650µA (x4 Channels)
Current - Output / Channel	40 mA
Product Status	Active
RoHS Status	ROHS3 Compliant
Packaging	Tape & Reel (TR)

Substitute Part Grouping Explanation

Substitute parts for the LT1882MPS#TRPBF are selected based on the following critical parameters:

Mandatory Matching Criteria:

Number of Circuits: 4
Output Type: Rail-to-Rail
Package / Case: 14-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Product Status: Active
RoHS Compliance: ROHS3 Compliant

Functional Compatibility Parameters:

Voltage - Supply Span (Min): 2.7 V or lower
Voltage - Supply Span (Max): 36 V or higher
Operating Temperature Range: Must encompass or exceed -55°C ~ 125°C
Current - Output / Channel: 35 mA or greater

Substitute parts are grouped into three categories based on amplifier type: General Purpose amplifiers (OPA4171 series), J-FET amplifiers (OPA4140 and OPA4141 series), Audio amplifiers (OPA1654 series), and Zero-Drift amplifiers (OPA4188 series). Each category maintains the core 4-circuit, rail-to-rail, 14-SOIC architecture while offering different performance characteristics in slew rate, gain bandwidth product, and input bias current.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Number of Circuits	Output Type	Package / Case	Voltage - Supply Span (Min)	Voltage - Supply Span (Max)	Operating Temperature	Slew Rate	Gain Bandwidth Product	Current - Input Bias	Voltage - Input Offset	Current - Supply	Current - Output / Channel	Product Status	RoHS Status
LT1882MPS#TRPBF	Analog Devices Inc.	General Purpose	4	Rail-to-Rail	14-SOIC (0.154", 3.90mm Width)	2.7 V	36 V	-55°C ~ 125°C	0.35V/µs	1 MHz	150 pA	30 µV	650µA (x4 Channels)	40 mA	Active	ROHS3 Compliant
OPA4171AID	Texas Instruments	General Purpose	4	Rail-to-Rail	14-SOIC (0.154", 3.90mm Width)	2.7 V	36 V	-40°C ~ 125°C	1.5V/µs	3 MHz	8 pA	250 µV	475µA (x4 Channels)	35 mA	Active	ROHS3 Compliant
OPA4171AIDR	Texas Instruments	General Purpose	4	Rail-to-Rail	14-SOIC (0.154", 3.90mm Width)	2.7 V	36 V	-40°C ~ 125°C	1.5V/µs	3 MHz	8 pA	250 µV	475µA (x4 Channels)	35 mA	Active	ROHS3 Compliant
OPA4171AQDRQ1	Texas Instruments	General Purpose	4	Rail-to-Rail	14-SOIC (0.154", 3.90mm Width)	4.5 V	36 V	-40°C ~ 125°C	1.5V/µs	3 MHz	8 pA	250 µV	475µA (x4 Channels)	35 mA	Active	ROHS3 Compliant
OPA4140AID	Texas Instruments	J-FET	4	Rail-to-Rail	14-SOIC (0.154", 3.90mm Width)	4.5 V	36 V	-40°C ~ 125°C	20V/µs	11 MHz	0.5 pA	30 µV	1.8mA (x4 Channels)	36 mA	Active	ROHS3 Compliant
OPA4140AIDR	Texas Instruments	J-FET	4	Rail-to-Rail	14-SOIC (0.154", 3.90mm Width)	4.5 V	36 V	-40°C ~ 125°C	20V/µs	11 MHz	0.5 pA	30 µV	1.8mA (x4 Channels)	36 mA	Active	ROHS3 Compliant
OPA4141AID	Texas Instruments	J-FET	4	Rail-to-Rail	14-SOIC (0.154", 3.90mm Width)	4.5 V	36 V	-40°C ~ 125°C	20V/µs	10 MHz	2 pA	1 mV	1.8mA (x4 Channels)	36 mA	Active	ROHS3 Compliant
OPA1654AID	Texas Instruments	Audio	4	Rail-to-Rail	14-SOIC (0.154", 3.90mm Width)	4.5 V	36 V	-40°C ~ 85°C	10V/µs	18 MHz	10 pA	500 µV	2mA (x4 Channels)	50 mA	Active	ROHS3 Compliant
OPA1654AIDR	Texas Instruments	Audio	4	Rail-to-Rail	14-SOIC (0.154", 3.90mm Width)	4.5 V	36 V	-40°C ~ 85°C	10V/µs	18 MHz	10 pA	500 µV	2mA (x4 Channels)	50 mA	Active	ROHS3 Compliant
OPA4188AID	Texas Instruments	Zero-Drift	4	Rail-to-Rail	14-SOIC (0.154", 3.90mm Width)	4 V	36 V	-40°C ~ 125°C	0.8V/µs	2 MHz	160 pA	6 µV	415µA (x4 Channels)	18 mA	Active	ROHS3 Compliant
OPA4188AIDR	Texas Instruments	Zero-Drift	4	Rail-to-Rail	14-SOIC (0.154", 3.90mm Width)	4 V	36 V	-40°C ~ 125°C	0.8V/µs	2 MHz	160 pA	6 µV	415µA (x4 Channels)	18 mA	Active	ROHS3 Compliant

Engineering Selection Recommendations

General Purpose Amplifier Substitutes (OPA4171 Series)

The OPA4171AID, OPA4171AIDR, and OPA4171AQDRQ1 are direct functional equivalents to the LT1882MPS#TRPBF within the general purpose amplifier category. All three variants maintain the 4-circuit, rail-to-rail, 14-SOIC architecture with identical supply voltage range (2.7 V to 36 V minimum for OPA4171AID and OPA4171AIDR; 4.5 V to 36 V for OPA4171AQDRQ1) and operating temperature range extending to 125°C. The OPA4171AQDRQ1 variant includes automotive-grade qualification (AEC-Q100) and is suitable for applications requiring automotive compliance. All three are ROHS3 compliant and actively produced.

J-FET Amplifier Substitutes (OPA4140 and OPA4141 Series)

The OPA4140AID, OPA4140AIDR, and OPA4141AID offer J-FET input architecture with significantly lower input bias current (0.5 pA to 2 pA) compared to the LT1882MPS#TRPBF (150 pA). These parts are suitable for applications requiring ultra-low input bias current and higher slew rate (20V/µs). The minimum supply voltage for these parts is 4.5 V, which restricts their use in designs requiring operation below 4.5 V. All variants are ROHS3 compliant and actively produced.

Audio Amplifier Substitutes (OPA1654 Series)

The OPA1654AID and OPA1654AIDR are audio-optimized amplifiers with higher gain bandwidth product (18 MHz) and slew rate (10V/µs). These parts are suitable for audio and high-frequency signal conditioning applications. The minimum supply voltage is 4.5 V, and the operating temperature range is limited to -40°C to 85°C, which restricts their use in extended temperature applications. Both variants are ROHS3 compliant and actively produced.

Zero-Drift Amplifier Substitutes (OPA4188 Series)

The OPA4188AID and OPA4188AIDR feature zero-drift architecture with exceptionally low input offset voltage (6 µV) and are suitable for precision measurement and instrumentation applications. The minimum supply voltage is 4 V. These parts are ROHS3 compliant and actively produced.

Packaging Considerations

The LT1882MPS#TRPBF is supplied in Tape & Reel (TR) packaging. Substitute parts are available in both Tube and Tape & Reel (TR) / Cut Tape (CT) & Digi-Reel® packaging options. The AIDR suffix indicates Tape & Reel or Digi-Reel packaging, while the AID suffix indicates Tube packaging. Selection should be based on procurement and assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can the OPA4171AQDRQ1 be used as a direct replacement for the LT1882MPS#TRPBF in all applications?

A: The OPA4171AQDRQ1 is functionally compatible with the LT1882MPS#TRPBF in applications where the minimum supply voltage requirement is 4.5 V or higher. The LT1882MPS#TRPBF operates at 2.7 V minimum, while the OPA4171AQDRQ1 requires 4.5 V minimum. Both parts maintain identical operating temperature range (-40°C to 125°C for OPA4171AQDRQ1; -55°C to 125°C for LT1882MPS#TRPBF). The OPA4171AQDRQ1 includes automotive-grade qualification (AEC-Q100), which is not applicable to the LT1882MPS#TRPBF.

Q: What is the difference between OPA4171AID and OPA4171AIDR packaging?

A: Both OPA4171AID and OPA4171AIDR are electrically identical general purpose amplifiers. The primary difference is packaging: OPA4171AID is supplied in Tube packaging, while OPA4171AIDR is supplied in Cut Tape (CT) & Digi-Reel® packaging. Selection depends on assembly line requirements and procurement preferences.

Q: Are the J-FET amplifiers (OPA4140, OPA4141) suitable replacements for low-voltage applications?

A: The J-FET amplifiers (OPA4140AID, OPA4140AIDR, OPA4141AID) require a minimum supply voltage of 4.5 V, which is higher than the LT1882MPS#TRPBF minimum of 2.7 V. These parts are not suitable for applications requiring operation below 4.5 V. However, they are suitable for applications where ultra-low input bias current (0.5 pA to 2 pA) is required.

Q: What are the key differences between the OPA4140 and OPA4141 J-FET amplifiers?

A: Both OPA4140 and OPA4141 are J-FET amplifiers with identical slew rate (20V/µs) and similar gain bandwidth product (11 MHz for OPA4140; 10 MHz for OPA4141). The OPA4141 has higher input bias current (2 pA versus 0.5 pA) and higher input offset voltage (1 mV versus 30 µV). The OPA4140 is preferred for applications requiring lower input offset voltage and lower input bias current.

Q: Can the OPA1654 audio amplifiers be used in non-audio applications?

A: The OPA1654AID and OPA1654AIDR are optimized for audio applications with higher gain bandwidth product (18 MHz) and slew rate (10V/µs). While they can be used in non-audio applications, their operating temperature range is limited to -40°C to 85°C, which restricts their use in extended temperature environments. The minimum supply voltage is 4.5 V.

Q: What is the advantage of the OPA4188 zero-drift amplifiers?

A: The OPA4188AID and OPA4188AIDR feature zero-drift architecture with exceptionally low input offset voltage (6 µV), which is significantly lower than the LT1882MPS#TRPBF (30 µV). These parts are suitable for precision measurement, instrumentation, and sensor signal conditioning applications where low offset voltage is critical. The minimum supply voltage is 4 V.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all substitute parts listed are ROHS3 compliant, matching the compliance status of the LT1882MPS#TRPBF.

Q: What is the operating temperature range difference between the LT1882MPS#TRPBF and the OPA4171 series?

A: The LT1882MPS#TRPBF operates from -55°C to 125°C, while the OPA4171AID and OPA4171AIDR operate from -40°C to 125°C. The LT1882MPS#TRPBF has a wider low-temperature operating range, making it suitable for applications requiring operation below -40°C.

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