TLV341IDCKT Equivalent & Substitute Parts

Part Overview

The TLV341IDCKT is a general-purpose operational amplifier manufactured by Texas Instruments, housed in a 6-pin SC-70 surface mount package. This device features rail-to-rail output capability and operates across a 1.5 V to 5.5 V supply voltage range, making it suitable for low-power analog signal processing applications. The TLV341IDCKT is classified as Last Time Buy, indicating discontinued production status. Identifying equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain reliability for ongoing production requirements.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	1	V/µs
Gain Bandwidth Product	2.3	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	300	µV
Current - Supply	75	µA
Current - Output / Channel	115	mA
Voltage - Supply Span (Min)	1.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Mounting Type	Surface Mount	—
Package / Case	6-TSSOP, SC-88, SOT-363	—
Supplier Device Package	SC-70-6	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—
REACH Status	REACH Unaffected	—

Substitute Part Grouping Explanation

Substitution of the TLV341IDCKT is determined by compatibility across the following critical parameters: amplifier type (general purpose), number of circuits (single), output type (rail-to-rail), package type (SC-70-6 surface mount), operating temperature range (-40°C to 125°C), and regulatory compliance (ROHS3, REACH Unaffected).

The substitute parts are grouped into two categories based on electrical performance characteristics:

Category 1: Direct Functional Equivalents (LMV341 Series) Parts LMV341IDCKR, LMV341MG/NOPB, and LMV341MGX/NOPB maintain the same SC-70-6 package, single-circuit general-purpose amplifier topology, and rail-to-rail output configuration. These parts operate within compatible supply voltage ranges and temperature specifications. Electrical performance differs in gain bandwidth product (1 MHz versus 2.3 MHz) and input offset voltage (250 µV versus 300 µV), but remain functionally interchangeable for applications where these parameter variations are acceptable.

Category 2: Enhanced Performance Alternative (LMV791MKX/NOPB) The LMV791MKX/NOPB offers superior electrical performance with higher slew rate (11.5 V/µs), higher gain bandwidth product (17 MHz), and lower input offset voltage (100 µV). However, this part uses a different package type (SOT-23-THIN) and requires board-level redesign. Substitution is applicable only when package redesign is feasible and enhanced performance is beneficial.

Parameter Comparison

Parameter	TLV341IDCKT	LMV341IDCKR	LMV341MG/NOPB	LMV341MGX/NOPB	LMV791MKX/NOPB
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	1	1	1	1	1
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	1	1	1	1	11.5
Gain Bandwidth Product (MHz)	2.3	1	1	1	17
Current - Input Bias (pA)	1	1	0.02	0.02	0.1
Voltage - Input Offset (µV)	300	250	250	250	100
Current - Supply (µA)	75	107	107	107	1150
Current - Output / Channel (mA)	115	113	113	113	60
Voltage - Supply Span Min (V)	1.5	2.5	2.7	2.7	1.8
Voltage - Supply Span Max (V)	5.5	5.5	5.5	5.5	5.5
Operating Temperature (°C)	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	SOT-23-6 Thin, TSOT-23-6
Supplier Device Package	SC-70-6	SC-70-6	SC-70-6	SC-70-6	SOT-23-THIN
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Last Time Buy	Active	Active	Active	Active

Engineering Selection Recommendations

For Direct Pin-Compatible Replacement (No Board Redesign):

Select LMV341IDCKR, LMV341MG/NOPB, or LMV341MGX/NOPB for applications requiring identical SC-70-6 package footprint and pinout compatibility. All three parts maintain Active product status, ensuring long-term availability and supply chain stability. LMV341MG/NOPB and LMV341MGX/NOPB offer marginally improved input bias current (0.02 pA) compared to the original TLV341IDCKT (1 pA), with no adverse impact on circuit performance. LMV341IDCKR is supplied in Cut Tape and Digi-Reel packaging, while LMV341MG/NOPB and LMV341MGX/NOPB are supplied in Tape & Reel format. All three parts comply with ROHS3 and REACH requirements.

For Applications Permitting Package Redesign:

The LMV791MKX/NOPB provides enhanced electrical performance with significantly higher slew rate (11.5 V/µs) and gain bandwidth product (17 MHz), suitable for applications requiring faster signal processing. This part requires PCB layout modification due to SOT-23-THIN package format. Selection is appropriate only when performance improvements justify redesign effort and when the lower output current per channel (60 mA versus 115 mA) is acceptable for the application.

Compliance and Regulatory Considerations:

All substitute parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment with the original TLV341IDCKT. Moisture sensitivity level remains at MSL 1 (Unlimited) across all options, eliminating special handling requirements during assembly and storage.

Frequently Asked Questions (FAQ)

Q: Can LMV341IDCKR, LMV341MG/NOPB, or LMV341MGX/NOPB be used as direct replacements for TLV341IDCKT without circuit modification?

A: Yes, for applications where the electrical parameter differences are acceptable. All three parts share identical SC-70-6 package pinout and general-purpose amplifier topology. The primary differences are gain bandwidth product (1 MHz versus 2.3 MHz) and input offset voltage (250 µV versus 300 µV). Circuit validation is required to confirm these parameter variations do not degrade system performance.

Q: What is the key difference between LMV341IDCKR and LMV341MG/NOPB?

A: The primary difference is packaging format. LMV341IDCKR is supplied in Cut Tape and Digi-Reel format, while LMV341MG/NOPB is supplied in Tape & Reel format. Electrical specifications are identical. Selection depends on assembly line equipment compatibility and tape reel handling requirements.

Q: Why does LMV791MKX/NOPB require board redesign?

A: The LMV791MKX/NOPB uses SOT-23-THIN package format instead of SC-70-6. The physical footprint, pin spacing, and pinout differ, requiring PCB layout modification and component placement changes. This part is suitable only when board redesign is feasible and enhanced performance is required.

Q: Are all substitute parts compliant with environmental and regulatory standards?

A: Yes. All substitute parts (LMV341IDCKR, LMV341MG/NOPB, LMV341MGX/NOPB, and LMV791MKX/NOPB) are ROHS3 compliant and REACH Unaffected, matching the regulatory status of the original TLV341IDCKT.

Q: What is the supply voltage compatibility range for each substitute part?

A: LMV341IDCKR, LMV341MG/NOPB, and LMV341MGX/NOPB operate at 2.5 V to 5.5 V (LMV341IDCKR) or 2.7 V to 5.5 V (LMV341MG/NOPB and LMV341MGX/NOPB), compared to the original TLV341IDCKT range of 1.5 V to 5.5 V. Applications requiring operation below 2.5 V must use LMV791MKX/NOPB (1.8 V to 5.5 V) or retain the original TLV341IDCKT if available.

Q: Which substitute part offers the best long-term availability?

A: LMV341MG/NOPB and LMV341MGX/NOPB are classified as Active products with higher inventory levels (35,300 and 2,350 units respectively), indicating stronger long-term supply chain support compared to LMV341IDCKR (29,400 units). All three are preferable to the Last Time Buy status of TLV341IDCKT.

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